Consulta: subjectFacets:"Genotype"
Registros recuperados: 106
Data/hora: 04/06/2024 04:37:07

Análisis de la variación infraespecífica de Vanilla insignis Ames bajo el enfoque de recursos genéticos.
Provedor de dados: 32
Autores: Hernández Silva, Néstor.
En la actualidad los efectos negativos de las interacciones bióticas y abióticas dentro del cultivo de Vanilla planifolia han devastado plantaciones de este recurso en todo el mundo. La generación de estrategias para su conservación y mejoramiento requiere del conocimiento de la variación que el género Vanilla alberga. Vanilla insignis es una especie silvestre genéticamente relacionada, con características agronómicas sobresalientes dentro del pool genético secundario de V. planifolia, particularmente en la resistencia a factores climáticos y patógenos. Por tal razón, se planteó conocer la variación infraespecífica de V. insignis por medio de la caracterización morfológica y molecular de poblaciones de V. insignis del estado de Quintana Roo, México. A...
Palavras-chave: Conservación; Mejoramiento; Labelo; Microsátelites; Morfotipo; Genotipo; Conservation; Improvement; Labellum; Microsatellites; Morphotype; Genotype; Estrategias para el Desarrollo Agrícola Regional; EDAR; Maestría.
Ano: 2014
URL: http://hdl.handle.net/10521/2230

Evaluación de la interacción genotipo por práctica de labranza (G x T) del cultivo de trigo.
Provedor de dados: 32
Autores: Ponce Cruz, Ruy.
Esta investigación es parte de los esfuerzos del Centro Internacional de Mejoramiento de Maíz y Trigo (CIMMYT) para evaluar la interacción entre genotipo y práctica de labranza en cuanto a desarrollo de trigo y su rendimiento bajo diferentes niveles de estrés hídrico, con el propósito de optimizar el proceso de mejoramiento de trigo para distintos sistemas agronómicos.El experimento se realizó en el Campo Experimental Norman E. Borlaug (CENEB), localizado en la parte noroeste de México, en un suelo Chromic Haplotorrert (Hyposodic Vertisol, Calcaric, Chromic), bajo en materia orgánica (&lt; 1%), en condiciones áridas.Los tratamientos fueron: Camas Convencionales (CC) y Camas Permanentes (CP) y el régimen de riego, Completo (RC) y Reducido (RR). Para...
Palavras-chave: Interacción; Genotipo; Práctica de labranza; Porcentaje de cobertura; NDVI; Interaction; Genotype; Tillage practice; Percent cover; Hidrociencias; Maestría.
Ano: 2013
URL: http://hdl.handle.net/10521/2102

Caracterización fenotípica de las poblaciones de cabras lecheras en el Valle de Libres, estado de Puebla.
Provedor de dados: 32
Autores: Santos Parada, Tiburcio de los.
Con el objetivo de realizar la caracterización de las poblaciones de cabras del Valle de Libres, Puebla, se registró información de una muestra aleatoria de 818 cabras de 19 rebaños en cinco comunidades. En cada cabra se registraron 17 variables zoométricas, la faneróptica, peso y el tipo genético. Los análisis estadísticos realizados fueron: correlación, regresión, análisis de varianza y discriminante canónico con el programa estadístico SAS. El tamaño promedio de rebaño fue de 55.0±5.0 cabras, la edad promedio de 4±0.07 años, predominando las cabras de tipo genético criollo (32.64%), Alpina (32.5%), Blanca (18.46%) y Orejona (16.75%). El tipo de cuerno dominante es el aegagrus (52%). El análisis de varianza encontró diferencia significativa (p&lt;0.001)...
Palavras-chave: Cabras criollas; Medidas zoométricas; Peso vivo; Tipo genético; Creole goat; Genotype; Liveweight; Zoometric measures; EDAR; Desarrollo y Gestión de Sistemas Ganaderos; Maestría Tecnológica.
Ano: 2011
URL: http://hdl.handle.net/10521/631

Meat tenderness genetic polymorphisms occurrence and distribution in five Zebu breeds in Mexico
Provedor de dados: 69
Autores: Parra-Bracamonte,Gaspar Manuel; Martínez-González,Juan C; Sifuentes-Rincón,Ana M; Moreno-Medina,Victor R; Ortega-Rivas,Eligio.
Background The Zebu cattle are represented by a diverse group of breeds in México. Traditionally these breeds have been associated with the tough beef characteristic. Validated genetic markers have the potential to be included in marker-assisted selection and management programs in order to improve traits such as beef tenderness. The incidence and distribution of Calpain and Calpastatin polymorphisms strongly associated with beef tenderness were estimated in registered cattle of five Zebu breeds in Mexico. Results A low and in some cases null frequency of favorable C allele of CAPN316 was determined in all breeds. Conversely, a more equilibrated frequency in CAPN4751 and CAST loci was observed. Conclusions Although the relatively low occurrence of...
Tipo: Journal article
Palavras-chave: Calpain; Calpastatin; Frequencies; Genotype; SNP.
Ano: 2015
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582015000500007

Clonal diversity and antimicrobial resistance of Enterococcus faecalis isolated from endodontic infections
Provedor de dados: 69
Autores: Suliman Al-Badah,Abdulhakim; S.S. Ibrahim,Abdelnasser; Al-Salamah,Ali A; Ibrahim,Shebl Salah S.
Background Enterococcus faecalis is considered to be one of most prevalent species in the oral cavity, particularly in endodontic infections. The aim of the present study was to investigate the prevalence of E. faecalis in dental root canals, clonal diversity by restriction fragment length polymorphism (RFLP) and randomly amplified polymorphic DNA (RAPD-PCR) analysis, and the antibiotic susceptibility of E. faecalis isolates. Results Among the bacterial strains isolated from dental root canal specimens (n = 82), E. faecalis was determined to have the highest prevalence followed by Streptococcus viridians, Leuconostoc mesenteroides, Staphylococcus aureus, Streptococcus mitis, and Pediococcus pentosaceus. Cluster analysis of RAPD-PCR and RFLP patterns of the...
Tipo: Journal article
Palavras-chave: Antimicrobial susceptibility; Endodontic infection; Enterococcus faecalis; Genotype; RAPD; RFLP.
Ano: 2015
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582015000300006

Prevalence of common α-thalassemia determinants in south Brazil: importance for the diagnosis of microcytic anemia
Provedor de dados: 74
Autores: Wagner,Sandrine C.; Castro,Simone M. de; Gonzalez,Tatiana P.; Santin,Ana P.; Filippon,Leticia; Zaleski,Carina F.; Azevedo,Laura A.; Amorin,Bruna; Callegari-Jacques,Sidia M.; Hutz,Mara H.
Alpha thalassemia has not been systematically investigated in Brazil. In this study, 493 unrelated individuals from the southernmost Brazilian state of Rio Grande do Sul were screened for deletional forms of α-thalassemia. One hundred and one individuals had microcytic anemia (MCV &lt; 80 fL) and a normal hemoglobin pattern (Hb A2 &lt; 3.5% and Hb F &lt; 1%). The subjects were screened for -α3.7,-α4.2,-α20.5, -SEA and -MED deletions but only the -α3.7 allele was detected. The -α3.7 allele frequency in Brazilians of European and African ancestry was 0.02 and 0.12, respectively, whereas in individuals with microcytosis the frequency was 0.20. The prevalence of α-thalassemia was significantly higher in individuals with microcytosis than in healthy individuals...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Alpha-thalassemia; Brazilian population; Genotype; Hemoglobin; Microcytosis.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572010000400008

Association of GH and IGF-1 polymorphisms with growth traits in a synthetic beef cattle breed
Provedor de dados: 74
Autores: Pereira,Andréa Pozzi; Alencar,Maurício Mello de; Oliveira,Henrique Nunes de; Regitano,Luciana Correia de Almeida.
The Canchim beef cattle (5/8 Charolais + 3/8 Zebu) has been selected for meat production in Brazil since late 1950. In the present work the effects of growth hormone (GH) and insulin-like growth factor 1 (IGF-1) polymorphisms were investigated in 688 animals born between 1998 and 2000. These animals belonged to two genetic groups, i.e., traditional and new lineages. Genotype effects on expected breeding values for birth weight (BW), weaning weight (WW) and yearling weight (YW) were investigated by the least square method. Significant effects were found for GH genotype on YW (p &lt; 0.05), with positive effects associated with the LV (leucine/valine) genotype. For IGF-1 genotypes, significant effects were found on BW (p &lt; 0.01) and YW (p &lt; 0.01)....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Beef cattle; Genetic association; Genotype; Growth hormone; Insulin-like growth factor 1.
Ano: 2005
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572005000200009

Influence of long days on the production of cut chrysanthemum cultivars
Provedor de dados: 75
Autores: Zandonadi,Alessandra S; Maia,Ciro; Barbosa,José Geraldo; Finger,Fernando Luiz; Grossi,José Antônio S.
ABSTRACT Chrysanthemum is one of the most widely marketed cut flower in the world. For this flower cultivation, long days to induce vegetative growth are required, until the plant reaches the necessary size for commercial flowering. The aim of this study was to evaluate the influence of the number of long days on the production of floral stems of five cut chrysanthemum cultivars. The experiment was evaluated in a randomized block design with split plots, with two factors and three replicates. Considering the number of long days (21, 28, 35, 42 and 49) the plots, and sub-plots the cut chrysanthemum cultivars (Calábria, Dragon, Sheena, Apricot Repin and Rebasco). We noticed significant differences for most of morphological traits for number of long days, and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Chrysanthemum morifolium; Genotype; Flowering; Cultivation time; Photoperiod.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362018000100033

Informes de avaliação de genótipos de girassol 2007/2008 e 2008.
Provedor de dados: 14
Autores: CARVALHO, C. G. P. de; GRUNVALD, A. K.; TERRA, I. M.; OLIVEIRA, A. C. B. de; RAMOS, N. P.; GODINHO, V. de P. C.; AMABILE, R. F.
Características Gerais da Rede de Ensaios de Avaliação de Genótipos de Girassol. Resultados dos Ensaios Finais de Primeiro e de Segundo Ano - safra 2007/2008 e safrinha 2008. Ensaio Final de Segundo Ano - safra 2007/2008: Encruzilhada do Sul (RS). Três de Maio (RS), Curitiba (PR), Leme do Prado (MG). Locais não considerados na análise conjunta. Análise conjunta. Ensaio Final de Primeiro Ano - safra 2007/2008: São Gabriel (RS), Santa Cruz do Sul (RS), Xaxim (SC), Jaguariúna (SP), Mocambinho (MG) Leme do Prado (MG), Roda Velha (BA), Ipanguaçú (RN). Locais não considerados na análise conjunta. Análise conjunta. Ensaio Final de Segundo Ano - safrinha 2008: Londrina (PR), Manduri (SP), Cravinhos (SP), Uberaba (MG), Muzambinho (MG), Rio Verde (GO), Planaltina...
Tipo: Documentos (INFOTECA-E)
Palavras-chave: Genótipos; Sunflower.; Girassol; Pesquisa.; Genotype; Research.
Ano: 2009
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/711904

Banco de Dados de Genótipos e Fenótipos (BDGF) para suporte a estudos de associação genômica ampla e seleção genômica em programas de melhoramento animal.
Provedor de dados: 14
Autores: HIGA, R. H.; OLIVEIRA, G. B. de.
Este documento complementa os trabalhos previamente desenvolvidos, apresentando um modelo de dados para armazenamento de dados de genótipos, fenótipos e pedigree de animais de interesse agropecuário para suporte tanto a experimentos de GWAS quanto a programas de melhoramento genético animal, Banco de Dados de Genótipos e Fenótipos(BDGF).
Tipo: Documentos (INFOTECA-E)
Palavras-chave: Associação genômica; Genome-wide association studies.; Genótipo; Fenótipo; Melhoramento Animal.; Genotype; Phenotype; Genetic improvement.
Ano: 2015
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1022327

Avaliacao de genotipos de trigo em diferentes regioes triticolas do Parana, em solos com aluminio, na safra de 1996.
Provedor de dados: 14
Autores: BRUNETTA, D.; DOTTO, S. R.; FRANCO, F. de A.; RIEDE, C. R.; WOBETO, C.; BASSOI, M. C.
A avaliacao de cultivares de trigo no Parana, com fins de recomendacao, e realizada pelas Instituicoes: IAPAR, Embrapa Soja, COODETEC e Fundacao Agraria de Pesquisa, atraves da instalacao de ensaios de rendimento nas principais regioes triticolas do Estado. Sao relatados os resultados obtidos em 1996 de 17 experimentos do Ensaio Intermediario Paranaense (IPR), 25 experimentos do Centro-Sul Brasileiro (CSBR) e 24 experimentos do Ensaio em Cultivo (ECR), para solos com aluminio, instalados em Londrina, Faxinal, Campo Mourao, Cascavel, Pato Branco, Arapoti, Tibagi, Ponta Grossa e Guarapuava, representando as regioes Norte, Oeste, Sudoeste e Sul do Estado. Os rendimentos dos ensaios instalados em Faxinal foram prejudicados por chuva de granizo. Devido a pouca...
Tipo: Documentos (INFOTECA-E)
Palavras-chave: Avaliacao de cultivar; Brasil; Parana; Aluminium; Evaluation; Variety.; Alumínio; Genótipo; Trigo; Solo.; Genotype; Brazil; Soil; Wheat.
Ano: 1997
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/460003

Desempenho agronômico de clones de cajueiro em Santana do Matos, RN.
Provedor de dados: 14
Autores: VIDAL NETO, F. das C.; SERRANO, L. A. L.; MARTINS, M. V. V.; ROSSETTI, A. G.; DIAS, N. da S.; BARROS, L. de M.; MELO, D. S.; HOLANDA, J. S. de; LIMA, J. M. P. de.
A microrregião Serra de Santana, situada no Polo de cajucultura das Serras Centrais, é um importante centro de produção de caju do estado do Rio Grande do Norte. Essa microrregião responde por quase um quarto da produção de castanhas do estado. Atualmente, apenas o clone de cajueiro-anão CCP 76 é cultivado na região, o que limita tanto a escolha dos produtores como a diversificação de produtos ofertados ao mercado. Além disso, essa situação torna a cajucultura vulnerável aos frequentes problemas climáticos e fitossanitários que ocorrem na região. Dessa forma, é de fundamental importância o conhecimento do desempenho agronômico de novos clones visando disponibilizar alternativas para o cultivo nas condições ambientes daquela região e que atendam às...
Tipo: Boletim de Pesquisa e Desenvolvimento (INFOTECA-E)
Palavras-chave: Anacardium Occidentale; Genótipo; Clone; Produtividade; Genotype; Economic productivity; Anacardium.
Ano: 2021
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1131782

BR-5109: nova cultivar de milho para o Estado do Acre.
Provedor de dados: 14
Autores: CAMPOS, I. S.; GAMA, E. E. G.; MAGNAVACA, R.; LODI, N. V.
Embora o milho seja plantado em todo o Estado do Acre, a produtividade alcançada nas lavouras deste cereal é muito baixa (aproximadamente 1.280 kg/ha) em virtude da predominância dos sistemas de cultivos consorciados, qualidade inferior do material genético e das sementes utilizadas. Com o objetivo de obter material genético com características requeridas para as condições de clima, solo e cultivo do milho no Estado do Acre, foi desenvolvido um trabalho de melhoramento do genótipo CMS 06, proveniente do Centro Nacional de Pesquisa de Milho e Sorgo (CNPMS).
Tipo: Comunicado Técnico (INFOTECA-E)
Palavras-chave: BR-5109; Acre; Amazônia Ocidental; Western Amazon; Amazonia Occidental; Rendimiento de los cultivos.; Nueva variedad; Maiz; Fitomejoramiento; Aclimatación; Factores ambientales; Melhoramento genético vegetal; Genótipo; Milho; Zea mays; Plantio; Rendimento; Variedade resistente; Aclimatação; Condição ambiental; Plant breeding; Corn; Genotype; Crop yield; New variety; Acclimation; Environmental factors.
Ano: 1988
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/492340

Comportamento de genótipos de arroz de sequeiro em solo de cerrado de Roraima.
Provedor de dados: 14
Autores: CORDEIRO, A. C. C.
Tipo: Folhetos
Palavras-chave: Arroz de sequeiro; Roraima; Savana; Cerrado; Genótipo; Genotype; Rice.
Ano: 1988
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/687503

Banco de dados de genótipos para suporte à seleção genômica em programas de melhoramento animal.
Provedor de dados: 14
Autores: HIGA, R. H.; DIAS, V. F.; CORREA, J. L.; OLIVEIRA, G. B. de.
Escopo. Modelo de dados. Descrição de genótipos. Descrição das tabelas. Entrada e saída de dados. Análise de desempenho. Análise de desempenho.
Tipo: Documentos (INFOTECA-E)
Palavras-chave: Melhoramento genético; Genótipos; Banco de dados; Genotype; Genetic improvement.
Ano: 2013
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/980977

Identificação de genótipos de soja com maior tolerância a acidez do solo.
Provedor de dados: 14
Autores: BEN, J. R.; VIEIRA, S. A.; BERTAGNOLLI, P. F.; DAL'PIAZ, R.; SANTOS, P. R. W. dos.
bitstream/item/133843/1/ID10216-1985-1986sojaresultados-p61-62.pdf
Tipo: Documentos (INFOTECA-E)
Palavras-chave: Brasil; Soybean; Tolerance.; Genótipo; Melhoramento.; Brazil; Acidity; Breeding; Genotype; Soil.
Ano: 1986
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/821986

Tempo de exposição e fonte de cálcio na seleção de soja tolerante ao alumínio em hidroponia.
Provedor de dados: 14
Autores: SPEHAR, C. R.; SOUZA, L. A. C.
RESUMO: Realizaram-se testes com genótipos de soja para determinar qual a combinação entre a concentração e o período de exposição ao alumínio (Al) e a fonte de cálcio (cloreto ou nitrato), sendo esta mais eficiente na seleção de plantas tolerantes ao Al em solução nutritiva. Os genótipos avaliados foram BR86 5974, BR86 7396, BR86 7485, FT Cristal, FT 100, FT Cristalina, Doko RC, FT Eureka, BR 40 (Itiquira) e BR 9 (Savana). Utilizou-se o delineamento de blocos ao acaso em parcelas subsubdivididas onde, nas parcelas, foram comparadas fontes de cálcio, nas subparcelas, concentrações de Al, e nas subsubparcelas genótipos. A concentração de 2mg/L de Al foi apropriada para discriminar os genótipos 48 horas depois do início do teste. As fontes de cálcio não...
Tipo: Boletim de Pesquisa e Desenvolvimento (INFOTECA-E)
Palavras-chave: Tolerância; Estresse; Aluminium; Tolerance; Hidroponics.; Alumínio; Glycine Max; Genótipo; Melhoramento Vegetal; Soja; Stress.; Genotype; Plant breeding; Soybeans.
Ano: 2004
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/569088

Utilizando o formato JSON para armazenar dados do sistema BDGF no PostgreSQL.
Provedor de dados: 14
Autores: VIEIRA, F. D.
Neste documento, será apresentada uma contribuição da Embrapa Informática Agropecuária quanto ao uso do tipo de dados JSON no PostgreSQL, sua integração com a linguagem Java e um pequeno tutorial mostrando como trabalhar com o tipo JSON no PostgreSQL.
Tipo: Documentos (INFOTECA-E)
Palavras-chave: Marcadores moleculares; Diagrama entidade-relacionamento; NoSQL; MongoDB; Java; Sistema Banco de Dados de Genótipos e Fenótipos; Genetic markers; Genotype; Phenotype.
Ano: 2016
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1065251

Informes da avaliação de genótipos de girassol 2020/2021 e 2021.
Provedor de dados: 14
Autores: CARVALHO, C. G. P.; OLIVEIRA, K. F. de; AMABILE, R. F.; GODINHO, V. de P. C.; RAMOS, N. P.; BRIGHENTI, A. M.
Tipo: Livros
Palavras-chave: Girassol; Semente; Genótipo; Sunflower seed; Genotype.
Ano: 2021
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1142319

Pelos radiculares: seleção de genótipos em soja, girassol e trigo.
Provedor de dados: 14
Autores: GONCALVES, S. L.; LYNCH, J. P.
RESUMO: Há muito é sabido que os pelos radiculares de muitas espécies agrícolas desempenham um importante papel na adaptação das plantas a ambientes com baixa disponibilidade hídrica e nutricional, sendo importantes na disponibilização de fósforo para elas. Neste trabalho foi feita uma seleção de genótipos, baseada no comprimento médio dos pelos radiculares de cultivares de soja, girassol e trigo. Eles foram cultivados em papel, em solução nutritiva de sulfato de cálcio, com a obtenção de imagens de plântulas de seis a sete dias de idade. Foram avaliados 25 genótipos de soja, 13 de girassol e 17 de trigo. Os pelos radiculares das plântulas de soja foram obtidos na raiz principal, apresentando uma amplitude de comprimento variando (do menor para o maior) de...
Tipo: Boletim de Pesquisa e Desenvolvimento (INFOTECA-E)
Palavras-chave: Soja; Genótipo; Girassol; Trigo; Helianthus Annuus; Pelo Radicular.; Soybeans; Wheat; Genotype; Root hairs.
Ano: 2014
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/995963

Seleção de genótipos de soja ricos em pelos radiculares - ano de 2015.
Provedor de dados: 14
Autores: GONCALVES, S. L.; MOREIRA, J. U. V.; PIPOLO, A. E.; ARIAS, C. A. A.; SANTOS, E. D. dos; NASCIMENTO, W. B. da S.
RESUMO: O reconhecimento da importância dos pelos radiculares para a sobrevivência e a nutrição das plantas é crescente, sendo que genótipos ricos em pelos radiculares possuem maior capacidade de adaptação a ambientes sujeitos a restrições. Neste trabalho foi feita uma seleção de genótipos de soja, baseada na densidade visual de pelos da raiz principal e das laterais e na medição do comprimento médio dos pelos radiculares, de linhagens e cultivares. Foram avaliados 34 genótipos, no ano de 2015, no laboratório de tecnologia de sementes da Embrapa Soja. A semeadura foi realizada em papel de germinação, umedecidos em solução nutritiva de sulfato de cálcio. Imagens de raízes foram obtidas de plântulas com seis a sete dias de idade. Os dados foram tabelados e...
Tipo: Boletim de Pesquisa e Desenvolvimento (INFOTECA-E)
Palavras-chave: Soja; Pelo radicular; Raiz; Genótipo; Soybeans; Root hairs; Genotype; Roots.
Ano: 2016
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1052641

Avaliação de genótipos de mandioca para consumo in natura em diferentes épocas de colheita na Acre.
Provedor de dados: 14
Autores: MENDONÇA, H. A. de; MOURA, G. de M.; CUNHA, E. T.
No Estado do Acre a cultura da mandioca apresenta expressiva importância econômica e social, constituindo-se um dos produtos básicos da alimentação da população. A maior demanda por mandioca, no Estado, é para a fabricação de farinha, mas existe também um grande potencial para o seu consumo in natura. O objetivo deste trabalho foi avaliar genótipos de mandioca para consumo in natura em diferentes épocas de colheita no Estado do Acre. Verificou-se que o genótipo Pão apresentou alta produtividade de raízes, resistência à podridão radicular, baixo teor de ácido cianídrico na polpa de raízes frescas sendo, portanto, indicado para consumo in natura. A colheita, aos 14 meses após o plantio, obteve maior produtividade de raízes, no entanto, apresentou maior...
Tipo: Boletim de Pesquisa e Desenvolvimento (INFOTECA-E)
Palavras-chave: Consumo in natura; Acre; Amazônia Ocidental; Western Amazon; Amazonia Occidental; Temporada de cosecha.; Propiedades fisicoquímicas; Avaliação; Cianuro de hidrógeno; Ácido prússico.; Genótipo; Manihot esculenta; Mandioca; Propriedade físico-química; Época de colheita; Harvest date.; Cassava; Genotype; Physicochemical properties; Hydrogen cyanide.
Ano: 2002
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/495908

Avaliacao de genotipos de trigo em diferentes regioes triticolas do Parana, em solos sem aluminio, na safra de 1996.
Provedor de dados: 14
Autores: DOTTO, S. R.; BRUNETTA, D.; FRANCO, F. de A.; RIEDE, C. R.; BASSOI, M. C.
O estado do Parana apresenta uma diversidade de clima, com invernos irregulares em relacao a precipitacoes pluviometricas e ocorrencia de geadas, e tambem, com relacao aos tipos de solos, que influem na adaptacao e no desempenho dos genotipos de trigo. Em vista disto, ha necessidade de um maior numero de cultivares, com caracteristicas diferenciadas para serem utilizadas pelos produtores. O presente trabalho tem por objetivo avaliar, nas zonas A e B, em solos com ate 5% de saturacao de aluminio, os novos genotipos de trigo criados pelas diferentes instituicoes que desenvolvem trabalhos de melhoramento genetico de trigo. Esta avaliacao e realizada pelo Instituto Agronomico do Parana (IAPAR), pelo Centro Nacional de Pesquisa de Soja (Embrapa Soja) e pela...
Tipo: Documentos (INFOTECA-E)
Palavras-chave: Brasil; Parana; Aluminium.; Alumínio; Genótipo; Trigo; Solo.; Genotype; Brazil; Soil; Wheat.
Ano: 1997
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/460064

Comportamento de genótipos de girassol sob irrigação no cerrado (2007).
Provedor de dados: 14
Autores: AMABILE, R. F.; AQUINO, F. D. V. de; MONTEIRO, V. A.; PORTELA, C.; RIBEIRO JÚNIOR, W. Q.; FERNANDES, F. D.; SANTORO, V. de L.
bitstream/item/78946/1/p2007-25.pdf
Tipo: Fôlder / Folheto / Cartilha (INFOTECA-E)
Palavras-chave: Sumflower; Savanna.; Genética; Girassol; Irrigação.; Genotype; Irrigation.
Ano: 2007
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/570898

Manual de uso do Sistema BDGF.
Provedor de dados: 14
Autores: VIEIRA, F. D.
Neste documento apresentamos um manual de uso das principais funcionalidades do sistema BDGF, seja para usuários atuais ou para pessoas interessadas em como trabalhar com esse software web para armazenamento e recuperação de dados fenotípicos e genotípicos de animais.
Tipo: Documentos (INFOTECA-E)
Palavras-chave: Banco de Dados de Genótipos e Fenótipos; Sistema BDGF; Genótipo; Fenótipo; Melhoramento Animal; Genotype; Phenotype; Computer software.
Ano: 2019
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1115483

Avaliação de genótipos de alface (Lactua sativa L.) de folhas crespas e alternativas de adubação para o cerrado de Roraima.
Provedor de dados: 14
Autores: LUZ, F. J. de F.
Tipo: Folhetos
Palavras-chave: Avaliacao; Folhas crespas; Roraima; Savana; Fertilization; Adubação; Alface; Cerrado; Genótipo; Genotype; Lettuce.
Ano: 1990
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/687505

Caracterização agronômica e sensorial de diferentes genótipos de Bourbon visando à produção de cafés especiais.
Provedor de dados: 14
Autores: FERREIRA, A. D.; CARVALHO, G. R.; NADALETI, D. H. S.
O consumo mundial de café tem sofrido pouca variação quanto à quantidade, no entanto a busca por cafés de excelente qualidade tem crescido em larga escala, o que justifica o investimento em pesquisas nesta área. Dessa forma, os cafeicultores precisam atualizar as técnicas de produção, buscando reduzir custos e melhorar a qualidade do produto. O presente trabalho teve por objetivo avaliar o potencial produtivo e a qualidade da bebida de diferentes genótipos de Bourbon no estado de Minas Gerais, visando à produção de cafés especiais. Foram instalados ensaios em duas das principais regiões produtoras de café de Minas Gerais, nos quais foram utilizados 17 genótipos de Bourbon e mais três cultivares comerciais como testemunha. Os experimentos foram instalados...
Tipo: Boletim de Pesquisa e Desenvolvimento (INFOTECA-E)
Palavras-chave: Produção Agrícola; Qualidade; Genótipo; Café; Qualitative analysis; Genotype; Coffea.
Ano: 2021
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1131673

Informes da avaliação de genótipos de girassol 2015/2016 e 2016.
Provedor de dados: 14
Autores: CARVALHO, C. G. P. de; CALDEIRA, A.; AMABILE, R. F.; GODINHO, V. de P. C.; RAMOS, N. P.; RIBEIRO, J. L.; OLIVEIRA, A. C. B. de; CARVALHO, H. W. L. de; BRIGHENTI, A. M.
Características Gerais da Rede de Ensaios de Avaliação de Genótipos de Girassol, Ensaios Finais do Segundo Safra-2015/2016, Ensaios Finais de Primeiro Ano -Safra 2015-2016,Ensaio finais de Segundo Ano -Safrinha 2016,Ensaio Finais de primeiro Ano - Safrinha 2016.
Tipo: Documentos (INFOTECA-E)
Palavras-chave: Girassol; Genótipo; Características agronômicas; Pesquisa agrícola; Helianthus Annuus.; Genotype; Agronomic traits; Agricultural research.
Ano: 2016
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1063023

Avaliação de genótipos de mandioca (Manihot esculenta, Craz), em área de mata de Roraima -2o. ano.
Provedor de dados: 14
Autores: LIMA, M. B.; GIRARDI, J. L.; RIBEIRO, P. H. E.
Tipo: Folhetos
Palavras-chave: Brasil; Roraima; Forest; Genótipo; Mandioca; Mata; Brazil; Cassava; Genotype.
Ano: 1995
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/687464

Melhoramento genético, registro e proteção de cultivares de Coffea canephora para o Estado de Rondônia.
Provedor de dados: 14
Autores: TEIXEIRA, A. L.; ROCHA, R. B.; RAMALHO, A. R.
O melhoramento genético do Coffea canephora objetivando a seleção de genótipos de ‘Conilon’ e ‘Robusta’ mais produtivos, tolerantes aos principais patógenos e adaptados às condições edafoclimáticas da região é de grande importância para impactar a cadeia produtiva do café no Estado de Rondônia. Tão importante quanto a obtenção da cultivar, é o seu registro e/ou proteção. Todas essas etapas fazem parte do processo de desenvolvimento e lançamento da cultivar, para que a mesma seja disponibilizada aos agricultores.
Tipo: Documentos (INFOTECA-E)
Palavras-chave: Café Conilon; Rondônia; Western Amazon; Amazônia Ocidental; Amazonia Occidental.; Café; Cafeicultura; Seleção Genótipa.; Regulamentação; Variedade; Coffea Canephora; Melhoramento Genético Vegetal; Café Robusta; Selection criteria.; Genotype; Plant variety protection; Coffee beans; Coffea; Plant breeding.
Ano: 2011
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/922539

INFORMES da avaliação de genótipos de girassol da rede oficial, 1994/95 e 1995.
Provedor de dados: 14
bitstream/item/140448/1/ID-15905.pdf
Tipo: Livro técnico (INFOTECA-E)
Palavras-chave: Avaliacao; Brasil; Rio Grande do Sul; Parana; Goias; Mato Grosso do Sul; Mato Grosso; Sao Paulo; Minas Gerais; Piaui; Distrito Federal; Sunflower; Evaluation.; Cerrado; Genótipo; Girassol; Pesquisa.; Brazil; Genotype; Research; Savannas.
Ano: 1995
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/460037

Informes da avaliação de genótipos de girassol da rede oficial, 1993.
Provedor de dados: 14
Autores: BALLA, A.; CASTRO, C. de; CASTIGLIONI, V. B. R.
O objetivo desse trabalho e avaliar e indicar genotipos para plantio nos diferentes Estados; Cada genotipo deve ser avaliado em 3 anos, como segue; Ensaio Intermediario: 1 ano em pelo menos 1 local por estado; Ensaio Final: 2 anos em pelo menos 3 locais por estado; Os ensaios oficiais apresentam as seguintes caracteristicas; a) Delineamento experimental em funcao do numero de tratamentos; b) Numero de repeticoes: 3 para Ensaio Intermediario e 4 para Ensaio Final; c) Parcela experimental; Numero de fileiras: 4; Comprimento de fileiras: 6 m; Area util: 2 fileiras eliminando 0,5 nas extremidades, ficando uma area de 7 m2; d) Adubacao: 60-80-80 kg/ha de NPK ou seguir as recomendacoes locais se houver; e) Epoca de plantio - em funcao da regiao; f) Preparacao da...
Tipo: Fôlder / Folheto / Cartilha (INFOTECA-E)
Palavras-chave: Girassol; Genótipo; Características agronômicas; Helianthus Annuus.; Genotype; Agronomic traits.
Ano: 1993
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/460068

Seleção de genótipos de soja abundantes em pelos radiculares - ano de 2016/2017.
Provedor de dados: 14
Autores: GONCALVES, S. L.; NASCIMENTO, W. B. da S.; MOREIRA, J. U. V.; PIPOLO, A. E.; ARIAS, C. A. A.
bitstream/item/170266/1/Boletim-de-PD-13.pdf
Tipo: Boletim de Pesquisa e Desenvolvimento (INFOTECA-E)
Palavras-chave: Soja; Raiz; Pelo radicular; Genótipo; Soybeans; Genotype; Root hairs.
Ano: 2017
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1084167

INFORMES da avaliação de genótipos de girassol, 1998/99 e 1999.
Provedor de dados: 14
Caracteristicas gerais da rede oficial de avaliacao de genotipos de girassol; Resultados dos ensaios finais e intermediarios; Indicacao de genotipos.
Tipo: Documentos (INFOTECA-E)
Palavras-chave: Brasil; Sunflower.; Cerrado; Girassol; Genótipo; Pesquisa.; Genotype; Brazil; Research; Savannas.
Ano: 1999
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/461357

Comportamento de genótipos de arroz de sequeiro em área de Mata de Roraima.
Provedor de dados: 14
Autores: CORDEIRO, A. C. C.
Tipo: Folhetos
Palavras-chave: Arroz de sequeiro; Roraima; Forest; Genótipo; Mata; Genotype; Rice.
Ano: 1988
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/687502

Informes da avaliação de genótipos de girassol 2017/2018 e 2018.
Provedor de dados: 14
Autores: CARVALHO, C. G. P.; CAVALLARO, M. C.; AMABILE, R. F.; GODINHO, V. de P. C.; OLIVEIRA, A. C. B. de; RAMOS, N. P.; CARVALHO, H. W. L. de; CARVALHO, L. M. de; BRIGHENTI, A. M.
bitstream/item/191336/1/Doc-409-Informe-girassol-1.pdf
Tipo: Documentos (INFOTECA-E)
Palavras-chave: Girassol; Helianthus Annuus; Genótipo; Genotype.
Ano: 2018
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1104781

Molecular detection of betanodavirus from the farmed fish, Platax orbicularis (Forsskal) (Ephippidae), in French Polynesia
Provedor de dados: 5
Autores: David, R.; Treguier, Cathy; Montagnani, Caroline; Belliard, Corinne; Levy, Peva; Nedelec, Georges; Joufoques, Vaiana; Remoissenet, G.; Gueguen, Yannick; Cochennec-laureau, Nathalie.
Tipo: Text
Palavras-chave: Betanodavirus; Detection; French Polynesia; Genotype; Platax orbicularis.
Ano: 2010
URL: http://archimer.ifremer.fr/doc/00003/11380/7972.pdf

Pearl formation: Persistence of the graft during the entire process of biomineralization
Provedor de dados: 5
Autores: Arnaud, Sophie; Goyard, Emmanuel; Vonau, Vincent; Herbaut, C; Prou, Jean; Saulnier, Denis.
Most bivalves species of the genus Pinctada are well known throughout the world for production of white or black pearls of high commercial value. For cultured pearl production, a mantle allograft from a donor is implanted into the gonad of a recipient oyster, together with a small inorganic bead. Because of the dedifferentiation of cells during the first steps of the host oyster's immunological reaction, so far the fate of the graft and its exact role in the process of pearl formation could not be determined via classical histological methods. Here we report the first molecular evidence of the resilience of the graft in the recipient organism by showing that cells containing genome from the donor are still present at the end of pearl formation. These...
Tipo: Text
Palavras-chave: Genotype; Pearl; Pearl sac; Grafting; Biomineralization; Pearl oyster.
Ano: 2007
URL: http://archimer.ifremer.fr/doc/2007/publication-2456.pdf

An amylase gene polymorphism is associated with growth differences in the Pacific cupped oyster Crassostrea gigas
Provedor de dados: 5
Autores: Prudence, Marie; Moal, Jeanne; Boudry, Pierre; Daniel, Jean-yves; Quere, Claudie; Jeffroy, Fanny; Mingant, Christian; Ropert, Michel; Bedier, Edouard; Van Wormhoudt, A; Samain, Jean-francois; Huvet, Arnaud.
This study investigated the non-neutrality of genetic polymorphism in two alpha-amylase genes (AMYA and AMYB) in the oyster Crassostrea gigas. Bi-parental oyster families, bred to be polymorphic for markers in these genes, were monitored for growth and survival for 1 year under standard culture conditions in two French production sites. Within-family genotype frequencies indicated that the two amylase genes were closely linked (c. 1.7 cM). Within two of three families, significant differences in growth were observed between genotypes at one of the two production sites, suggesting that this polymorphism is not neutral and might be under selection because of its role in digestive function. Estimated daily yields were different between amylase genotypes,...
Tipo: Text
Palavras-chave: Growth; Genotype; Digestive enzyme; Bivalve; Alpha amylase.
Ano: 2006
URL: http://archimer.ifremer.fr/doc/2006/publication-1691.pdf

Prevalence and epidemiology of chronic hepatitis C among prisoners of Mato Grosso do Sul State, Brazil
Provedor de dados: 80
Autores: Pompilio,MA; Pontes,ERJC; Castro,ARCM; Andrade,SMO; Stief,ACF; Martins,RMB; Mousquer,GJ; Murat,PG; Francisco,RBL; Pompilio,SAL; Rezende,GR; Elias-Junior,E.
In Mato Grosso do Sul state, Brazil, the number of prisoners has increased in the recent years and the control of hepatitis C virus (HCV) has become more complex. The aim of the present study was to estimate the prevalence and identify the genotypes of HCV in prisoners as well as the factors associated with this infectious disease. Thereby, 443 men and 243 women from prisons were interviewed and subjected to blood collection. Anti-HCV reactive samples were analyzed by RT-PCR and genotyped. The overall seroprevalence of HCV infection was 4.8% (95%CI: 3.4 to 6.8%). Furthermore, the prevalence was higher in: men, injecting drug users, tattooed persons, those who were more than 50 years old, individuals who have been arrested multiple times, people with...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Hepatitis C; Genotype; Polymerase chain reaction; Epidemiology; Prisoners.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992011000200013

A study on the genetic diversity of Androctonus crassicauda (Olivier, 1807; Scorpiones: Buthidae) from Turkey
Provedor de dados: 80
Autores: Ozkan,O; Ahmet,C; Zafer,K.
Mitochondrial DNA (mtDNA) has been widely employed in phylogeographic and phylogenetic studies. In the present study, the genetic identification of the scorpion Androctonus crassicauda (Olivier, 1807) was carried out by using the 16S mitochondrial gene, since this scorpion represents the most important species in Turkey regarding scorpionism and antivenom production. Two genetic groups were found according to the sequence analysis results, while five different loci at the nucleotide level presented genetic variation in the 16S region when compared to a known A. crassicauda sequence data (GenBank, AJ277598). Nucleotide variations found in the current work constitute the first descriptive report for A. crassicauda. Moreover, future studies may enlighten the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Scorpion; Androctonus crassicauda; PCR; Genotype; Turkey.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992010000400010

Genotyping of Brazilian Giardia duodenalis human axenic isolates
Provedor de dados: 80
Autores: Coradi,ST; David,EB; Oliveira-Sequeira,TCG; Ribolla,PEM; Carvalho,TB; Guimarães,S.
Giardia duodenalis is a complex species that comprises at least seven distinct genetic groups (A to G), but only genotypes A and B are known to infect humans and a wide variety of other mammals. Regardless of biological, biochemical and antigenic analysis, several isolates maintained in vitro were not genetically typed yet. So, in the present study, five Brazilian axenic isolates obtained from asymptomatic and symptomatic patients were typed in order to determine the major genetic groups to which the isolates belonged. DNA was extracted from axenic trophozoites, fragments of glutamate dehydrogenase (gdh) and triosephosphate isomerase (tpi) genes were amplified by PCR and the isolate genotyping was carried out using restriction fragment length polymorphism...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Giardia duodenalis; Axenic isolates; Molecular typing; Genotype.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992011000300016

On the occurrence and identity of triploids of Rana kl. esculenta Linnaeus and R. lessonae Camerano in The Netherlands (Anura: Ranidae)
Provedor de dados: 16
Autores: Blommers-Schlösser, Rose M.A.
According to electrophoresis and erythrocyte size the genotypes of 756 waterfrogs, collected during 1986—1988 in 54 localities in The Netherlands, were classified as belonging to 5 different genotypes: 331 diploid R. lessonae (LL), 5 triploid R. lessonae (LLL), 250 diploid R. kl. esculenta (LR), 133 triploid R. kl. esculenta (LLR), and 37 diploid R. ridibunda (RR). The occurrence of triploid R. kl. esculenta in The Netherlands is reported for the first time and triploid R. lessonae has not yet been reported previously. There are indications that LL gametes could be produced by LLR triploids and LL diploids. R. kl. esculenta in R. kl. esculenta and R. ridibunda — R. kl. esculenta populations of the western regions seems to be exclusively triploid, whereas...
Tipo: Article / Letter to the editor
Palavras-chave: Ranidae; Rana lessonae; R. ridibunda; R. kl. esculenta; Erythrocyte size; Triploidy; Genotype; Biometry; Distribution.
Ano: 1990
URL: http://www.repository.naturalis.nl/record/504567

Genotype and subtype analyses of Cryptosporidium isolates from cattle in Hungary
Provedor de dados: 19
Autores: Plutzer, Judit; Karanis, Panagiotis.
Seventy-nine faecal samples from calves with diarrhoea were collected on 52 farms from different counties in Hungary to investigate the species, genotypes and subtypes of Cryptosporidium in calves. Oocysts from faecal sample collected from each animal were concentrated using sucrose gradient centrifugation and examined by immunofluorescence assay (IFA). Genomic DNA was extracted from microscopically positive samples and nested PCR was performed to amplify the partial SSU rRNA and GP60 genes of Cryptosporidium that were subsequently digested by SspI, VspI and MboII restriction enzymes to determine the Cryptosporidium species and genotype present. Cryptosporidium parvum was detected in 21 samples while the Cryptosporidium deer-like genotype was found in...
Palavras-chave: Cryptosporidium parvum; Cattle; Genotype; Subgenotype; Hungary.
Ano: 2007
URL: http://ir.obihiro.ac.jp/dspace/handle/10322/1056

Phylogenetic analysis of Theileria orientalis in cattle bred in Fujian province，China
Provedor de dados: 19
Autores: Sivakumar, T; Khukhuu, A; Igarashi, I; Xuan, X; Guo, G; Huang, X; Yokoyama, N; 五十嵐, 郁男; 玄, 学南; 横山, 直明.
A molecular epidemiological survey on Theileria orientalis was conducted in a cattle population of Fujian province in China. The screening polymerase chain reaction assay showed that 23 (45%) of 51 blood samples were positive for T. orientalis. DNA sequencing of the major piroplasm surface antigen-encoding gene indicated the presence of 3 different genotypes in the study area(types 1，2，and 5) and identified T. orientalis types 1 and 2 as the major genotypes in the sample population.  Because type 2 (Ikeda type in Japan) has been recognized as a relatively virulent genotype of T. orientalis，control and preventive measures to minimize the incidence of infectious diseases among cattle bred in China are necessary.
Palavras-chave: Theileria orientalis; Cattle; China; Epidemiology; Genotype.
Ano: 2011
URL: http://ir.obihiro.ac.jp/dspace/handle/10322/3098

Molecular Epidemiological Survey of Theileria orientalis in Thua Thien Hue Province, Vietnam
Provedor de dados: 19
Autores: KHUKHUU, Altangerel; LAN, Dinh Thi Bich; LONG, Phung Thang; UENO, Akio; LI, Yan; LUO, Yuzi; MACEDO, Alan Caine Costa de; MATSUMOTO, Kotaro; INOKUMA, Hisashi; KAWAZU, Shin-Ichiro; IGARASHI, Ikuo; XUAN, Xuenan; YOKOYAMA, Naoaki; 松本, 高太郎; 猪熊, 壽; 河津, 信一郎; 五十嵐, 郁男; 玄, 学南; 横山, 直明.
Theileria orientalis is a benign bovine protozoan parasite that occasionally causes serious economic loss in the livestock industry. We report the findings of a molecular epidemiological survey of T. orientalis in 94 Vietnamese yellow cattle, 43 water buffaloes, 21 sheep, 21 goats and 85 blood-sucking ticks of cattle in the Thua Thien Hue province of Vietnam. The major piroplasm surface protein (MPSP) gene of T. orientalis was detected using polymerase chain reaction from 13 cattle (13.8%), 11 water buffaloes (25.6%), 1 sheep (4.8%) and 9 ticks (10.6%). Phylogenetic analysis using MPSP gene sequences showed the presence of seven genotypes, four previously categorized genotypes (Types 1, 3, 5 and 7) and three new genotypes (Types N-1, N-2 and N-3).
Palavras-chave: Cattle; Genotype; MPSP; Theileria orientalis; Vietnam.
Ano: 2011
URL: http://ir.obihiro.ac.jp/dspace/handle/10322/3585

Elephant grass genotypes for bioenergy production by direct biomass combustion
Provedor de dados: 86
Autores: Morais,Rafael Fiusa de; Souza,Bruno Juscelino de; Leite,José Marcos; Soares,Luis Henrique de Barros; Alves,Bruno José Rodrigues; Boddey,Robert Michael; Urquiaga,Segundo.
The objective of this work was to evaluate elephant grass (Pennisetum purpureum Schum.) genotypes for bioenergy production by direct biomass combustion. Five elephant grass genotypes grown in two different soil types, both of low fertility, were evaluated. The experiment was carried out at Embrapa Agrobiologia field station in Seropédica, RJ, Brazil. The design was in randomized complete blocks, with split plots and four replicates. The genotypes studied were Cameroon, Bag 02, Gramafante, Roxo and CNPGL F06-3. Evaluations were made for biomass production, total biomass nitrogen, biomass nitrogen from biological fixation, carbon/nitrogen and stem/leaf ratios, and contents of fiber, lignin, cellulose and ash. The dry matter yields ranged from 45 to 67 Mg...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Pennisetum purpureum; Ash; Agroenergy; Biological nitrogen fixation; Genotype; Lignin.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2009000200004

Uni- and multivariate methods applied to the study of the adaptability and stability of white oat
Provedor de dados: 86
Autores: Rother,Vianei; Verdi,Cezar Augusto; Thurow,Liamara Bahr; Carvalho,Ivan Ricardo; Oliveira,Victoria Freitas de; Maia,Luciano Carlos da; Venske,Eduardo; Pegoraro,Camila; Oliveira,Antonio Costa de.
Abstract: The objective of this work was to compare uni- and multivariate biometric methods to evaluate the adaptability and stability of an important group of white oat (Avena sativa) cultivars grown in Southern Brazil. The used experimental design was a randomized complete block, in a factorial arrangement of 12 environments x 7 cultivars, with three replicates. The analysis of variance and the methods of Eberhart &amp; Russel, Annicchiarico, and the harmonic mean of the relative performance of predicted genetic values (MHPRVG) were assessed. In the general comparison of the methods, the 'UPFA Gaudéria' and 'URS Guapa' genotypes were more stable regarding grain yield. The 'UPFA Gaudéria' and 'URS-21' genotypes stood out for hectoliter weight, presenting...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Avena sativa; Environment; Genotype; Plant breeding.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2019000102805

Growth and yield of common bean cultivars at two soil phosphorus levels under biological nitrogen fixation
Provedor de dados: 86
Autores: ARAÚJO,ADELSON PAULO; TEIXEIRA,MARCELO GRANDI; ALMEIDA,DEJAIR LOPES DE.
The genotypic differences on growth and yield of common bean (Phaseolus vulgaris L.) in response to P supply were evaluated in a field experiment under biological N2 fixation. Eight cultivars were grown at two levels of applied P (12 and 50 kg ha-1 of P -- P1 and P2 respectively), in randomized block design in factorial arrangement. Vegetative biomass was sampled at three ontogenetic stages. The effects of genotype and phosphorus were significant for most traits, but not the genotype ´ phosphorus interaction. The cultivars presented different patterns of biomass production and nutrient accumulation, particularly on root system. At P1, P accumulation persisted after the beginning of pod filling, and P translocation from roots to shoots was lower. The nodule...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Genotype; Harvest index; Nodulation; Phaseolus vulgaris.
Ano: 2000
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2000000400019

Assessing Genetic Variation and Spread of Phalaris minor Resistant to ACCase Inhibiting Herbicides in Iran
Provedor de dados: 87
Autores: GHEREKHLOO,J.; ALCÁNTARA-DE LA CRUZ,R.; OSUNA,M.D.; SOHRABI,S.; PRADO,R.
ABSTRACT: Littleseed canarygrass (Phalaris minor) is the second most serious and problematic grass weed in wheat fields in Iran, and has developed resistance to ACCase inhibiting herbicides. Inter-simple sequence repeat (ISSR) analysis was used to assess genetic variation between and within ACCase inhibitor-resistant and susceptible P. minor populations in Iran and to determine the origin of resistance and its dispersal. Sixteen P. minor populations from different regions in Iran were analysed using seven primers. Genetic relationships generated using UPGMA analysis indicated the presence of more than one genotype among the herbicide resistant populations. The results indicated that the high genetic similarity and physical proximity among the resistant P....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Dendrogram; Herbicide resistance; ISSR; Genotype; UPGMA.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582020000100226

Body Conformation and Internal Organs Characteristics of Different Commercial Broiler Lines
Provedor de dados: 89
Autores: Kokoszyński,D; Bernacki,Z; Saleh,M; Stęczny,K; Binkowska,M.
ABSTRACT The aim of the study was to determine body weight and dimensions, body conformation, length of the esophagus, length of intestine and its segments, as well as weight of internal organs and their proportions relative the body weight of broiler chickens from three commercial lines - Ross 308, Hubbard Flex and Hubbard F15. At the age of 42 days, Ross 308 chickens had significantly (p≤0.05) shorter trunk, but greater chest circumference and compactness index, as well as shorter esophagus and longer large intestine compared with Hubbard F15. The longest large and total intestine was found in Ross 308 broilers. Chicken genotype had no significant effect on the percentage of the main internal organs, i.e. liver, heart, proventriculus, gizzard, and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Body dimensions; Broiler; Digestive tract; Genotype; Internal organs.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2017000100047

Relationships between grain yield and accumulation of biomass, nitrogen and phosphorus in common bean cultivars
Provedor de dados: 90
Autores: Araújo,Adelson Paulo; Teixeira,Marcelo Grandi.
Shoot biomass is considered a relevant component for crop yield, but relationships between biological productivity and grain yield in legume crops are usually difficult to establish. Two field experiments were carried out to investigate the relationships between grain yield, biomass production and N and P accumulation at reproductive stages of common bean (Phaseolus vulgaris) cultivars. Nine and 18 cultivars were grown on 16 m² plots in 1998 and 1999, respectively, with four replications. Crop biomass was sampled at four growth stages (flowering R6, pod setting R7, beginning of pod filling R8, and mid-pod filling R8.5), grain yield was measured at maturity, and N and P concentrations were determined in plant tissues. In both years, bean cultivars differed...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Common bean; Genotype; Ontogeny; Phaseolus vulgaris; Plant growth; Root.
Ano: 2008
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832008000500019

Available phosphorus levels in diets for swine from 15 to 30 kg genetically selected for meat deposition
Provedor de dados: 96
Autores: Saraiva,Alysson; Donzele,Juarez Lopes; Oliveira,Rita Flávia Miranda de; Abreu,Márvio Lobão Teixeira de; Silva,Francisco Carlos de Oliveira; Santos,Fabrício de Almeida.
With the objective to evaluate available phosphorus levels in diets for swine genetically selected for meat deposition, sixty commercial hybrid pigs were used, being 30 castrate males and 30 females, with initial weight of 15.00 ± 0.41 kg, distributed in a completely randomized experimental design, with six treatments, five replications and two animals (1 male and 1 female) per experimental unit. The treatments were composed of a basal diet and other five diets obtained through basal diet supplementation with dicalcium phosphate to obtain six AP levels (0.114; 0.221; 0.328; 0.435; 0.542 and 0.649%). The available phosphorus levels promoted a linear increase in the daily feed intake. Daily weight gain and feed conversion showed a quadratic behavior...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Genotype; Minerals; Nutrition; Requirement.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982009000200013

Peripheral regulation of stress and fear responses in pigs from tail-biting pens
Provedor de dados: 96
Autores: Zupan,Manja; Zanella,Adroaldo José.
ABSTRACT This study focused on stress physiology by characterizing cortisol responses to stressors in tail biters (n = 10), victims (n = 10), and control pigs (n = 10) of two different breeds (Landrace × Yorkshire, LY; Landrace/Yorkshire × Landrace/Duroc; LYLD) and sexes (females and castrated males). We exposed pigs to 10 min of isolation with a human at the farm and transported them to a controlled environment. There, the behaviour was registered for 10 min during sessions when subjected to a novel object test and to a novel arena test. Sampling times of salivary cortisol were in all the fear tests before testing and 60 min thereafter, while for transportation as well 120 min after the beginning of transportation. We additionally measured cortisol at...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Damaging behaviour; Emotions; Genotype; Salivary cortisol; Stressors.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982017000100033

Available phosphorus for 15- to 30-kg pigs kept in hot environment
Provedor de dados: 96
Autores: Alebrante,Leandro; Donzele,Juarez Lopes; Oliveira,Rita Flavia Miranda de; Saraiva,Alysson; Guimarães,Simoni Eliza Facioni; Ferreira,Aloízio Soares; Silva,Francisco Carlos de Oliveira; Abreu,Márvio Lobão Teixeira de.
This experiment was conducted to determine the requirement of available phosphorus (aP) for pigs kept in hot environment. Seventy-two pigs (36 castrated males and 36 females) with initial weight of 15.10±0.31 kg were allotted in a completely randomized block design with six treatments (0.107, 0.214, 0.321, 0.428, 0.535, and 0.642% of aP), six replicates and two pigs (1 castrated male and 1 female) per experimental unit. Pigs were kept in a hot environment with temperature of 34.1±0.8 ºC. The levels of aP influenced the daily weight gain, which increased quadratically up to the estimated level of 0.477%, and feed conversion, which improved quadratically up to the estimated level of 0.457%. The levels of aP also influenced the content of phosphorus in the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Genotype; Minerals; Requirement; Swine; Temperature.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982011001200016

Digestible lysine for 63 to 103 day-old barrows of genetic lines selected for lean deposition
Provedor de dados: 96
Autores: Fortes,Eduardo Ianino; Donzele,Juarez Lopes; Oliveira,Rita Flávia Miranda de; Saraiva,Alysson; Silva,Francisco Carlos de Oliveira; Souza,Matheus Faria de; Rocha,Gabriel Cipriano; Alebrante,Leandro.
Ninety-six barrows from 63 to 103 days of age were used to evaluate the effects of dietary digestible lysine levels on performance and carcass traits of two genetic lines selected for lean deposition. Pigs with initial body weight of 23.800 ± 1.075 kg were allotted in a completely randomized block design, within a 4 × 2 factorial arrangement (four digestible lysine levels: 0.80, 0.90, 1.00, 1.10%, and two genetic lines), with six replicates and two pigs per experimental unit. There was no interaction between genetic and digestible lysine levels. The digestible lysine levels also did not influence performance or carcass traits of pigs; however, average daily lysine intake increased with increasing digestible lysine level in the experimental diets. Pigs from...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amino acids; Carcass; Genotype; Growing; Performance.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982011001000015

Levels of digestible methionine+cystine in diets for high genetic potential barrows from 95 to 125 kg
Provedor de dados: 96
Autores: Santos,Fabrício de Almeida; Donzele,Juarez Lopes; Silva,Francisco Carlos de Oliveira; Oliveira,Rita Flávia Miranda de; Abreu,Márvio Lobão Teixeira de; Saraiva,Alysson; Haese,Douglas; Kill,João Luís.
This study was carried out to evaluate the effects of increasing levels of digestible methionine+cystine on performance and carcass composition of high genetic potential barrows for lean deposition. Sixty-four barrows with initial weight of 95.46 ± 1.09 kg were allotted to a completely randomized block design, with four levels of digestible methionine+cystine (0.427, 0.466, 0.504, and 0.545%, corresponding to the digestible methionine+cystine:digestible lysine ratios of 57.0, 62.0, 67.0 and 73.0%, respectively), with eight replicates, and two animals per experimental unit. Experimental diets and water were provided ad libitum until the end of the experimental period when pigs reached 125.21 ± 2.49 kg. Levels of digestible methionine+cystine did not affect...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Carcass; Genotype; Late finishing; Performance; Sulfur amino acids.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982011000300016

Níveis de lisina digestível em rações, utilizando-se o conceito de proteína ideal, para suínos machos castrados de alto potencial genético para deposição de carne magra na carcaça dos 60 aos 95 kg
Provedor de dados: 96
Autores: Abreu,Márvio Lobão Teixeira de; Donzele,Juarez Lopes; Oliveira,Rita Flávia Miranda de; Oliveira,Alexandre Luiz Siqueira de; Santos,Fabrício de Almeida; Pereira,Adriana Aparecida.
Foram utilizados 40 leitões machos castrados (peso inicial de 60,43 ± 1,56 kg e peso final de 95,66 ± 3,22 kg) de alto potencial genético para deposição de carne magra na carcaça para avaliar o efeito de níveis de lisina digestível, utilizando-se o conceito de proteína ideal, sobre o desempenho e as características de carcaça. Os animais foram distribuídos em delineamento de blocos ao acaso, com quatro tratamentos, cinco repetições e dois animais por unidade experimental. Os tratamentos consistiram de uma ração basal com 16,48% de PB, suplementada com L-lisina HCL, resultando em rações com 0,70; 0,80; 0,90 e 1,00% de lisina digestível. As rações foram suplementadas com níveis crescentes de aminoácidos sintéticos, resultando em rações com relações...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amino acids; Carcass; Finishing phase; Genotype; Urea.
Ano: 2007
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982007000100007

Available phosphorus levels in diets for pigs with high genetic potential for lean meat deposition kept in thermoneutral environment from 15 to 30 kg
Provedor de dados: 96
Autores: Alebrante,Leandro; Donzele,Juarez Lopes; Oliveira,Rita Flávia Miranda de; Saraiva,Alysson; Guimarães,Simone Eliza Facioni; Ferreira,Aloízio Soares.
It was used 72 pigs, 36 castrated males and 36 females, with initial weight of 14.97 ± 0.36 kg to evaluate levels of dietary available phosphorus (aP). The animals were distributed in a completely randomized block design, with six levels of aP (0.107; 0.214; 0.321; 0.428; 0.535 and 0.642%), six replicates and two animals (one castrated male and one female) per experimental unit. Air temperature and relative humidity in the room were kept at 24.5 ± 1.2°C and 76.3 ± 8.5%, respectively. The levels of aP influenced both daily feed intake and daily weight gain, which increased in a quadratic way up to the estimated levels of 0.420% and 0.443%, respectively and feed conversion, which improved in a quadratic manner up to the estimated level of 0.461%. It was...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Genotype; Minerals; Requirement; Swine; Temperature.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982011000200013

Multivariate analysis of productive and nutritional traits and feeding behavior of sheep fed roughage-free diets
Provedor de dados: 96
Autores: Cardoso-Santana,Elizângela Oliveira; Santana Júnior,Hermógenes Almeida de; Almeida,Eva Clícia de Jesus; Freitas,Tiago Brandão; Figueiredo,Cibelle Borges; Dias,Carlos Tadeu dos Santos; Carneiro,Paulo Luiz Souza; Malhado,Carlos Henrique Mendes.
ABSTRACT The objective of this study was to evaluate productive traits in sheep fed roughage-free diets by multivariate analysis. Forty lambs were used in this study: 20 Santa Inês animals, consisting of 10 uncastrated males and 10 females; and 20 crossbreds (½ Santa Inês × Dorper), consisting of 10 uncastrated males and 10 females, at an average age of five months. Lambs were randomly allocated into the following treatments: Santa Inês males fed once daily (SM1); Santa Inês males fed twice daily (SM2); Santa Inês females fed once daily (SF1); Santa Inês females fed twice daily (SF2); crossbred males fed once daily (CM1); crossbred males fed twice daily (CM2); crossbred females fed once daily (CF1); and crossbred females fed twice daily (CF2). In the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Feedlot; Genotype; Lamb.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982018000100608

Physicochemical characteristics and fatty acid profile of meat from lambs with different genotypes and diets
Provedor de dados: 96
Autores: Costa,Roberto Germano; Santos,Neube Michel dos; Queiroga,Rita de Cássia Ramos do Egypto; Sousa,Wandrick Hauss de; Madruga,Marta Suely; Cartaxo,Felipe Queiroga.
The objective of this study was to evaluate the chemical composition and fatty acid profile of meat from Santa Inês, Dorper × Santa Inês, and undefined-breed lambs finished in a feedlot system according to two forage:concentrate ratios (50:50 and 20:80) in the diet. Overall, 54 non-castrated animals were used (with an average initial weight of 23±1.5 kg at 150 days old) and were slaughtered when they reached 36 kg of live weight or 63 days of confinement. Diets with high concentrate levels favored meat production with higher protein content. Among the saturated fatty acids, only heptadecanoic (C17:0) and arachidic acids (C20:0) differed among the treatments. The amount of oleic acid detected in the meat ranged from 49.2 to 51.9 g/100 g, making this one the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Dorper; Genotype; Lipids; Meat quality; Proximate composition; Santa Inês.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982015000700248

Forage yield and persistence of red clover progenies in two environments
Provedor de dados: 63
Autores: Montardo,Daniel Portella; Dall'Agnol,Miguel; Paim,Nilton Rodrigues.
Red clover (Trifolium pratense L.) is one of the most important temperate legume species, used to lessen the lack of forage during the critical fall-winter period in Rio Grande do Sul, RS, Brazil. However, its utilization has been restricted mainly because of its lack of persistence. This work evaluates the dry matter yield and persistence of red clover half-sib progenies in two physiographic regions of RS: "Depressão Central", in Eldorado do Sul and "Encosta Superior do Nordeste", in Veranópolis. Experiments were carried out for two growing seasons and results were compared to two red clover commercial checks, Qüiñequeli and Estanzuela 116. The region of Veranópolis was more adequate for red clover forage production, enabling better yield and persistence....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Environment; Genotype; Plant breeding.
Ano: 2003
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162003000300005

การตรวจสอบยีนควบคุมความหอมของข้าวด้วยวิธีปฏิกิริยาลูกโซ่โพลีเมอเรสแบบเวลาจริง
Provedor de dados: 106
Autores: Kasem Soontrajarn; Marsuton Sanyapeung; Nittaya Phromwong; Somsong Chotechuen.
Aromatic rice is a specific group of rice having high price in the world rice market.   Fragrant trait is therefore included in the principal goal for rice production and improvement.  A recessive gene on chromosome 8 has been elucidated to be homology with the gene encoded for betaine aldehyde  dehydrogenase  (BADH2).  In fragrant rice this gene was mutated by 8 bp deletion in exon 7 resulting in accumulation of 2-acetyl-1-pyrroline (2AP).  In this study, BADEX7-5 primer which is specific for fragrant gene (badh2) was tested by conventional PCR and Real-time PCR.  Both methods showed the same PCR product size of 95 and 103 bp in fragrant and non-fragrant rice, respectively.  High Resolutions Melting analysis demonstrated that the fragrant and non-fragrant...
Tipo: PhysicalObject
Palavras-chave: Fragrant gene; Real-time PCR; High resolutions melting analysis; Aromatic rice; Rice varieties detect; HRM analysis; Genotype; ยีนควบคุมความหอม; ปฏิกิริยาลูกโซ่โพลีเมอเรสแบบเวลาจริง; ข้าวหอม; เมล็ดพันธุ์; การตรวจสอบยีน; ศูนย์ปฏิบัติการและเก็บเมล็ดเชื้อพันธุ์ข้าวแห่งชาติ.
Ano: 2013
URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5685

Performance of Minneola tangelo trees grafted over six rootstocks in Colombia Tropical Lowland (1997-2010)
Provedor de dados: 109
Autores: Chaparro-Zambrano,Hans Nicolas; Hernández,David Ricardo; Mateus,Diana Mayerly; Orduz-Rodríguez,Javier Orlando.
Abstract 'Cleopatra' tangerine (Citrus reshni hort. ex Tanaka) is a commonly used rootstock in the piedmont of Meta department, Colombia for establishing of commercial citrus orchards. Have allowed a late production entrance rootstock and produced big plants when grafted with tangelo 'Minneola' (C. reticulata Blanco x C. paradise Macf), decreasing the productive efficiency in plants and hard crop practices. The evaluated performance were as follows: tree size, productive efficiency and fruit quality of tangelo 'Minneola' grafted in six rootstocks. It found that the cumulated production of 11 years was better with Citrumelo 'Swingle' (Citrus paradisi Macf. × Poncirus trifoliata (L.) Raf) with 1388.3 kg tree-1, followed by 'Cleopatra' (Citrus reshni hort. ex...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Citrus; Ecophysiology; Genotype; Piedmont of Meta-Colombia.
Ano: 2017
URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0120-28122017000300397

Estimation of genetic distance among genotypes of caraway (Carum carvi L.) using RAPD-PCR
Provedor de dados: 1
Autores: Seidler-Łożykowska, Katarzyna; Institute of Natural Fibres and Medicinal Plants; Kuczyńska, Anetta; Polish Academy of Sciences; Mikołajczyk, Katarzyna; Plant Breeding and Acclimatization Institute; Nowakowska, Joanna; Plant Breeding and Acclimatization Institute; Bocianowski, Jan; Poznań University of Life Sciences.
In order to estimate genetic diversity among starting materials and breeding strains of caraway, a collection of 17 accessions from botanical gardens in Europe, two cultivars ‘Rekord’ and ‘Kończewicki’, and four own breeding strains were analyzed by RAPD-PCR. The representative samples, each of five individual plants of accession, cultivar or strain, were taken from young rosette leaves. Forty of Genset Oligos RAPD primers were used for analysis and eight of them produced clear and reproducible banding patterns. In total, 62 banding patterns were obtained revealing 23 polymorphic bands, whereas the number of polymorphic bands ranged from two to four for one primer. The GS12 and GS43 primers generated two polymorphic bands, while each of the GS8, GS21,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Carum carvi L.; Genetic distance; Genotype; RAPD.
Ano: 2014
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/18197

Reação de genótipos de milho ao parasitismo de Meloidogyne incógnita raça 1 e a M. paranaensis - DOI: 10.4025/actasciagron.v31i4.761
Provedor de dados: 1
Autores: Levy, Ricardo Michael; UEL; Homechin, Martin; UEL; Santiago, Débora Cristina; UEL; Cadioli, Marina Capparelli; UEL; Baida, Fernando César; UEL.
O uso de híbridos e genótipos de milho resistentes aos nematóides formadores de galhas em sistemas de rotação de culturas mantém sua população em níveis baixos, diminuindo as perdas e possibilitando, posteriormente, o uso de genótipos mais suscetíveis. No presente trabalho, foi avaliada a resistência de 18 genótipos de milho ao parasitismo de M. paranaensis e a M. incógnita raça 1 em casa-de-vegetação. As plantas foram inoculadas com 5.000 ovos e eventuais juvenis dos respectivos nematóides. O delineamento utilizado foi inteiramente ao acaso, com dez repetições para cada tratamento com os nematóides e cinco repetições para a testemunha sem inoculação. Também foi realizada a técnica de coloração das raízes com fucsina ácida, pelo método de Byrd et al....
Palavras-chave: 5.01.02.00-1    Fitossanidade Zea mayz; Nematóide; Resistência; Genótipo Zea may; Nematode; Resistance; Genotype.
Ano: 2009
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/761

Produtividade, crescimento e partição de matéria seca em duas cultivares de feijão - DOI: 10.4025/actasciagron.v31i4.6397
Provedor de dados: 1
Autores: Andrade, Carlos Alberto de Bastos; UEM; Scapim, Carlos Alberto; UEM; Braccini, Alessandro de Lucca e; UEM; Martorelli, Danilo Takara; UEM.
Com o objetivo de caracterizar o crescimento e a produtividade de grãos, das cultivares ‘Ouro Negro’ e ‘BRS MG Talismã’, em condições de campo, na Estação Experimental de Coimbra, Estado de Minas Gerais, pertencente à Universidade Federal de Viçosa (UFV), experimentos de campo foram conduzidos em que se avaliaram o crescimento vegetativo e a produtividade de grãos das duas cultivares. Foram efetuadas amostragens aos 12, 22, 36, 51, 65 e 76 dias após emergência (DAE), sendo determinadas a área foliar e a biomassa dos diferentes componentes da parte aérea, além do índice de área foliar e das taxas de crescimento absoluto e assimilatórias líquidas. Aos 80 DAE (colheita), foram determinados a produtividade de grãos e os seus componentes (número de plantas por...
Tipo: Pesquisa no campo
Palavras-chave: 5.01.03.04-0    Produção de Mudas Phaseolus vulgaris; Genótipos; Análise de crescimento; Componentes da produção; Produtividade de grãos. Fitotecnia Phaseolus vulgaris; Genotype; Growth analysis; Production components; Grain yield.
Ano: 2009
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/6397

Cultivares de milho e população de plantas que afetam a produtividade de espigas verdes - DOI: 10.4025/actasciagron.v32i1.987
Provedor de dados: 1
Autores: Vieira, Marcelo de Andrade; UFPR; Camargo, Mariana Krusquevis; UEPG; Daros, Edelclaiton; UFPR; Zagonel, Jeferson; UEPG; Koehler, Henrique Soares; UFPR.
O produtor de milho verde busca a profissionalização de sua produção, a fim de fornecer produtos de alta qualidade e em quantidade suficiente para suprir os mercados mais exigentes. Para se alcançar esse objetivo, devem ser adotadas técnicas de manejo que proporcionem altas produtividades sem que sejam afetadas negativamente as características comerciais. Com o objetivo de avaliar a aptidão de cultivares e o efeito da população de plantas na produção de milho verde, foi conduzido um experimento em Ponta Grossa, Estado do Paraná. Adotou-se o delineamento de blocos ao acaso, em esquema de parcelas subdivididas, sendo os tratamentos principais as cultivares (Penta, 30P34, DKB 214 e SWB 551) e os secundários as populações de plantas (3,5; 5,0; 6,5; 8,0 e 9,5...
Palavras-chave: 5.01.00.00-9    Agronomia Zea mays L.; Densidade de semeadura; Genótipo; Milho verde Manejo e tratos culturais Zea mays L.; Seedling density; Genotype; Green corn.
Ano: 2010
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/987

Drought Tolerance in Recombinant Chromosome Substitution Lines (RCSLs) Derived from the Cross Hordeum vulgare subsp. spontaneum (Caesarea 26-24) × Hordeum. vulgare subsp. vulgare cv. Harrington
Provedor de dados: 113
Autores: Inostroza,Luis; del Pozo,Alejandro; Matus,Iván; Hayes,Patrick.
Grain yield (GY) and drought tolerance of recombinant chromosome substitution lines (RCSLs) derived from the cross between Hordeum vulgareL.subsp. spontaneum (K. Koch) Thell. and H. vulgare L. subsp. vulgare cv. Harrington, were studied in two contrasting environments, one with water stress (WWS) and the other with no water stress (NWS), during three growing seasons, 2004-2005, 2005-2006 and 2006-2007. In the first season 80 RCSLs were sowed and in the following a selection of 13 RCSLs. An a-lattice design was used in all the experiments. With the data of GY obtained in sites WWS and NWS it was calculated the drought sensitivity index (DSI). During 2004-2005 growing season GY varied greatly among locations, reflecting differences in water availability. The...
Tipo: Journal article
Palavras-chave: Barley; Drought sensitivity index; Grain yield water stress; Genotype.
Ano: 2007
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0365-28072007000300004

Genetic variability and selection in natural populations of vineyard peach (Prunus persica ssp. vulgaris Mill.) in the Krusevac region (Central Serbia)
Provedor de dados: 115
Autores: Milosevic,Tomo; Milosevic,Nebojsa.
In situ selection of vineyard peach (Prunus pérsica spp. vulgaris Mill.) genotypes was conducted in 2006 and 2007 in the region of Kfusevac (Central Serbia). Identification, observation and recording of the phenological and pomological properties of the highest-quality genotypes were carried out. Twenty-eight genotypes of the highest quality were selected out of 2093 genotypes, based on biological and pomological properties, and compared to those of cv. Redhaven (control). The onset of flowering varied (April 7-21), being early in two genotypes and late in one genotype, as compared to Redhaven, while 25 genotypes showed an intermediate flowering date, as Redhaven did. Campanula flowers were found in six genotypes, as in Redhaven, and the rosaceous type in...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Breeding; Flowering; Fruit and stone; Genetic diversity; Genotype.
Ano: 2010
URL: http://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S1405-31952010000300005

Genotypic carriers of the obesity-associated FTO polymorphism exhibit different cardiometabolic profiles after an intervention
Provedor de dados: 42
Autores: MORAES,GREICE G.; REUTER,CÉZANE P.; RENNER,JANE D.P.; KLINGER,ELISA I.; FERREIRA,MICHELE B.; MELLO,ELZA D. DE; VALIM,ANDRÉIA DE M.; BURGOS,MIRIA S.
ABSTRACT  Background:  Children and adolescents with at-risk genotypes (AA/AT) of the rs9939609 polymorphism in FTO, a fat mass and obesity-associated gene, may exhibit different cardiometabolic profile responses than subjects with the TT genotype after an interdisciplinary intervention.  Methods:  The sample consisted of 36 school children from southern Brazil. We used DNA quantitation and real-time polymerase chain reaction (PCR) for polymorphism genotyping. We measured anthropometric parameters (body mass index (BMI), waist circumference, hip circumference, waist-hip ratio, body fat percentage and skinfold sum), biochemical parameters (glucose, lipid profile, ultra-sensitive C-reactive protein, uric acid, alanine aminotransferase, aspartate...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Genotype; Intervention; Obesity; Children; Physical activity.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652016000602331

Molecular characterisation of Cryptosporidium spp. in lambs in the South Central region of the State of São Paulo
Provedor de dados: 45
Autores: Zucatto,A.S.; Aquino,M.C.C.; Inácio,S.V.; Figueiredo,R.N.; Pierucci,J.C.; Perri,S.H.V.; Meireles,M.V.; Bresciani,K.D.S.
Considering the proximity of sheep farmers to animals that are possibly diseased or releasing fecal oocysts into the environment and the marked pathogenicity in lambs, the aim of this study was to determine the occurrence and to molecularly characterize the infection by Cryptosporidium spp. in lambs in the South Central region of the state of São Paulo, Brazil. A total of 193 fecal samples were collected from sheep of several breeds, males and females, aged up to one year. Polymerase chain reaction (nested-PCR) was used to amplify DNA fragments from the subunit 18S rRNA gene and indicated 15% positivity; sequencing of amplified fragments was possible for 19 samples. Analysis of the obtained sequences showed that the identified species were Cryptosporidium...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cryptosporidiosis; Sheep; Nested-PCR; Genotype.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352015000200441

Effects of sex and genotype on performance and yield characteristics of free range broiler chickens
Provedor de dados: 45
Autores: Del Castilho,C.C.; Santos,T.T; Rodrigues,C.A.F.; Torres Filho,R.A.
The purpose of this work was to evaluate the effect of genotype and sex on the performance characteristics (weight gain, feed conversion and livability) and yields (carcass, breast and legs) of six free-range genotypes: Pesadão Vermelho (GEN1), Carijó (GEN2), Pescoço Pelado 1 (GEN3), Pescoço Pelado 2 (GEN4), Pescoço Pelado 3 (GEN5) and Pescoço Pelado 4 (GEN6). A total of 1584 sexed one day old chicks (792 males and 792 females) were housed in 48 pens, 33 birds per pen. The experimental design was a completely randomized factorial 2 x 6 (six genotypes and two sexes) design, with four replicates each. Diets were based on corn and soybean meal (no animal protein) provided in a feeding program in four phases: pre-starter (1 to 21 days), starter (22 to 42...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Alternative aviculture; Genotype; Performance; Yields.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352013000500029

SNPs rs471462296, rs456245081 and rs438495570 in the 5’UTR region of DGAT1 gene in Nelore
Provedor de dados: 45
Autores: Freire,K.M.B.; Silva,C.C.; Duarte,S.S.M.; Teodoro,L.S.; Costa,E.O.A.; Silva,D.C.; Godoy,F.R.; da Cruz,A.D.; da Cruz,A.S.
RESUMO O objetivo desta pesquisa foi avaliar os SNPs rs471462296, rs456245081 e rs438495570 do gene DGAT1 em bovinos Nelore. Foram analisados 109 bovinos. A extração do DNA genômico foi realizada do sangue dos animais, usando-se o kit Ilustra Blood Genomic Prep Mini Spin® (GE Healthcare, UK). A concentração e o grau de pureza do DNA foram determinados por meio de espectrofotômetro (Nanodrop - Thermo Fisher Scientifc, USA). A genotipagem dos SNPs ocorreu mediante o emprego do ensaio Taqman® (Applied Biosystems, USA). Na análise genômica, não foram encontradas alterações nas frequências alélicas e genotípicas (P≥0,05) para os SNPs testados. Dessa forma, a região 5’UTR analisada apresentou-se monomórfica e a variação de SNPs não foi observada, o que limita...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Bovine; Phenotype; Genotype; Selection.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352019000200720

Influence of genotype and explant source on indirect organogenesis by in vitro culture of leaves of Melia azedarach L.
Provedor de dados: 47
Autores: VILA,S.K.; REY,H.Y.; MROGINSKI,L.A.
In vitro regeneration of shoots from leaf explants of the Paradise tree (Melia azedarach L.) was studied. Three different portions (proximal portion, distal portion and rachis of the leaflets) of three developmental stages (folded, young still expanding and completely expanded) of leaves of 10 - 15 years old plants of seven genotypes were cultured on Murashige and Skoog (1962) medium (MS) supplemented with 1mg.l-1 benzylaminopurine (BAP) + 0.1mg.l-1 kinetin (KIN) + 3 mg.l-1 adenine sulphate (ADS). The rachis of the leaflets of the completely expanded leaves was found to be the most responsive tissue, in most of the genotypes employed. Shoot regeneration occurred in leaf explants of all the genotypes tested. The best genotype for shoot regeneration was...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Genotype; Leaf explants; Organogenesis; Paradise tree; Plant regeneration.
Ano: 2004
URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0327-95452004000100005

Study of Cytochrome P450 2E1 and its allele Variants in Liver Injury of Nondiabetic, Nonalcoholic Steatohepatitis Obese Women
Provedor de dados: 48
Autores: VARELA,NELSON M; QUIÑONES,LUIS A; ORELLANA,MYRIAM; PONIACHIK,JAIME; CSENDES,ATTILA; SMOK,GLADYS; RODRIGO,RAMÓN; CÁCERES,DANTE D; VIDELA,LUIS A.
CYP2E1 enzyme is related to nonalcoholic steatohepatitis (NASH) due to its ability for reactive oxygen species production, which can be influenced by polymorphisms in the gene. The aim of this study was to investigate hepatic levels, activity, and polymorphisms of the CYP2E1 gene to correlate it with clinical and histological features in 48 female obese NASH patients. Subjects were divided into three groups: (i) normal; (ii) steatosis; and (iii) steatohepatitis. CYP2E1 protein level was assayed in microsomes from liver biopsies, and in vivo chlorzoxazone hydroxylation was determined by HPLC. Genomic DNA was isolated for genotype analysis through PCR. The results showed that liver CYP2E1 content was significantly higher in the steatohepatitis (45%; p=0.024)...
Tipo: Journal article
Palavras-chave: Steatohepatitis; NASH; CYP2E1; Obesity; Genotype; Chlorzoxazone.
Ano: 2008
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602008000100010

Efficiency of RAPD and ISSR markers in assessing genetic variation in Arthrocnemum macrostachyum (Chenopodiaceae)
Provedor de dados: 52
Autores: Saleh,Basel.
The goal of this study was to investigate the molecular characterization of A. macrostachyum genotypes grown in the Western coast of Syria using RAPD and ISSR techniques. PCR amplifications with 20 RAPD primers gave an average of 9.25 selected markers/ primer, with a maximum of 17 (OPG05) and a minimum of four (OPA02). Percentage of polymorphic bands ranged from 40 to 100% according to RAPD primers tested. Among the 185 selected bands, 160 (84.96%) were polymorphic. The amplification with seven ISSR primers generated 88 bands, and 80 (90.91%) were polymorphic. (CA)8RG and (AG)8GTG ISSR primers tested in this study yielded highly informative patterns. RAPD and ISSR fragment sizes ranged from 0.2-3 kb. Based on this study, the use of RAPD and ISSR...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: A. macrostachyum; Genetic diversity; Genotype; ISSR; Polymorphism; RAPD.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132011000500002

Association between insulin resistance and sustained virologic response in hepatitis C treatment, genotypes 1 versus 2 and 3: systematic literature review and meta-analysis
Provedor de dados: 55
Autores: Laurito,Marcela Pezzoto; Parise,Edison Roberto.
BACKGROUND/AIMS: Controversial results have been found in literature for the association between insulin resistance and sustained virologic response to standard chronic hepatitis C treatment. This study aims to provide a systematic literature review with meta-analysis, in order to evaluate if insulin resistance interferes with sustained virologic response in patients infected by the HCV genotype 1 versus HCV genotypes 2 and 3, undergoing treatment with interferon and ribavirin or pegylated interferon and ribavarin. METHODS: Systematic search was performed on main electronic databases until May 2012. Primary outcome was sustained virologic response, defined as undetectable levels of HCVRNA six months after the end of treatment. Meta-analytic measure was...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Hepatitis C; Insulin resistance; Genotype; Sustained virologic response.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702013000500008

Hepatitis B virus genotypes, precore mutations, and basal core promoter mutations in HBV-infected Chinese patients with persistently normal alanine aminotransferase and low serum HBV-DNA levels
Provedor de dados: 55
Autores: Shi,Ming; Zhang,Yong; Zhang,Jing; Liu,Wei; Xing,Lu.
Hepatitis B virus (HBV) genotype and precore and basal core promoter (BCP) mutants in the patients with persistently normal alanine aminotransferase (ALT) and low serum HBV-DNA levels are unclear. The aim of this study was to determine HBV genotypes, precore and BCP mutations, and their association with chronic hepatitis and liver fibrosis in HBV-infected patients with persistently normal ALT, and low serum HBV-DNA levels in northeast China. Patients (n = 89) with normal ALT and serum HBV-DNA levels below 20000 IU/mL but detectable with real-time PCR were included in this study. HBV genotypes were determined by real-time PCR. The precore and BCP mutations were detected by sequencing. All the patients had biopsy results. Of the 89 patients, 11 (12.4%) were...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Hepatitis B virus; Genotype; Mutation; Alanine transaminase.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702012000100009

Demographic and anthropometrical analysis and genotype distribution of chronic hepatitis C patients treated in public and private reference centers in Brazil
Provedor de dados: 55
Autores: Focaccia,R.; Baraldo,D.C.M.; Ferraz,M.L.G.; Martinelli,A.L.C.; Carrilho,F.J.; Gonçales Jr.,F.L.; Pedroso,M.L.A.; Coelho,H.S.M.; Lacerda,M.A.; Brandão,C.E.; Mattos,A.A.; Lira,L.G.C.; Zamin Jr.,I.; Pinheiro,J.O.P.; Tovo,C.V.; Both,C.T.; Soares,J.A.S.; Dittrich,S.
Hepatitis C virus (HCV) infection is a serious public health problem, since 80% to 85% of HCV carriers develop a persistent infection that can progress into liver cirrhosis and hepatocarcinoma. Considering that the response of hepatitis C patients to combination therapy with interferon and ribavirin depends on HCV characteristics as well as on host features, we made a retrospective analysis of demographic and anthropometrical data and HCV genotype distribution of chronic hepatitis C patients treated in public and private reference centers in Brazil. The medical records of 4,996 patients were reviewed, 81% from public and 19% from private institutions. Patients' median age was 46 years, and there was a higher prevalence of male (62%) and white patients...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: HCV; Chronic hepatitis C; Genotype; Body weight; Brazil.
Ano: 2004
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702004000500003

Molecular characterization of group A rotavirus isolates obtained from hospitalized children in Salvador, Bahia, Brazil
Provedor de dados: 55
Autores: Serravalle,Karina; Santos,Norma; Sardi,Silvia Inês; Silva,Sarah Peregrino Santos; Ribeiro Junior,Hugo da Costa; Mattos,Ângela Peixoto de; Campos,Gúbio Soares.
Rotavirus is a major cause of infectious diarrhea in infants and young children. The objective of this study was to characterize the genotypes of Human Rotavirus found in children hospitalized with acute diarrhea in the Pediatric Hospital Prof. Hosannah de Oliveira of the UFBA in Salvador, Bahia, Brazil, during the years of 1999, 2000 and 2002. Fecal samples were analyzed (n=358) by methods EIARA and SDS-PAGE for detection of Rotavirus. Positive samples of one or two of these methods (n=168) were submitted to RT-PCR and Multiplex-Nested PCR to determine genotypes G and P. A hundred sixty-eight (46.9%) samples were positive and 190 (53.1%) negative. Only 17 (4.7%) samples had divergent results. The distribution of genotypes G during the first year, showed...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Rotavirus; PCR; Genotype; Children.
Ano: 2007
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702007000100010

Comparative study of Hepatitis C virus genotypes 1 and 3 in Salvador, Bahia
Provedor de dados: 55
Autores: Codes,L.; Freitas,L.A.R. de; Santos- Jesus,R.; Vitvitski,L.; Silva,L.K.; Trepo,C.; Reis,M.G.; Paraná,R.
Hepatitis C virus displays a high degree of genetic mutation, with considerable heterogeneity, motivating clinical and biomolecular investigations. It is necessary to understand the effects of genotypes on the course of the disease, as well as their peculiarities at the regional level. OBJECTIVE: The study objective was to compare epidemiological, biochemical and histological aspects of hepatitis C virus genotypes 1 and 3 in Salvador, Bahia. STUDY DESIGN: Data were collected retrospectively from outpatient medical records. MATERIALS AND METHODS: 127 patients with positive anti-HCV results were selected, based on detectable RNA-HCV (RT-PCR) of genotypes 1a, 1b and 3a. RESULTS: Thirty-nine (30.7%) individuals were infected by subtype 1a, 45 (35.4%) by...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Hepatitis C; Genotype.
Ano: 2003
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702003000600009

The beta-chemokines MIP-1alpha and RANTES and lipoprotein metabolism in HIV-infected brazilian patients
Provedor de dados: 55
Autores: Mikawa,Angela Yumico; Malavazi,Iran; Tagliavini,Sandra Antonia; Abrão,Emiliana P.; Costa,Paulo Inácio da.
HIV patients are predisposed to the development of hypertriglyceridemia and hypercholesterolemia as a result of both viral infection and HIV infection therapy, especially the protease inhibitors. Chemokines and cytokines are present at sites of inflammation and can influence the nature of the inflammatory response in atherosclerosis. We investigated the correlation between biochemical variables and beta-chemokines (MIP-1alpha and RANTES) and the apolipoprotein E genotype in HIV-infected individuals. The apolipoproteins were measured by nephelometry. Triglycerides and total cholesterol were determined by standard enzymatic procedures. The beta-chemokines were detected by ELISA. The genetic category of CCR5 and apolipoprotein E were determined by PCR...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Beta- chemokine; HIV; Genotype; Lipoproteins; Cholesterol; Triglyceride.
Ano: 2005
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702005000400008

Distribution of HBV subgenotypes in Ribeirão Preto, Southeastern Brazil: a region with history of intense Italian immigration
Provedor de dados: 55
Autores: Chachá,Silvana Gama Florencio; Gomes-Gouvêa,Michele Soares; Malta,Fernanda de Mello; Ferreira,Sandro da Costa; Villanova,Márcia Guimarães; Souza,Fernanda Fernandes; Teixeira,Andreza Correa; Passos,Afonso Dinis da Costa; Pinho,João Renato Rebello; Martinelli,Ana de Lourdes Candolo.
Abstract Hepatitis B virus (HBV) is distributed worldwide, with geographical variations regarding prevalence of the different genotypes. The aim of this study was to determine the HBV genotypes and subgenotypes circulating in Southeast Brazil and compare the genetic sequences found with HBV sequences previously described in the world. Sequences from 166 chronic HBV carriers were analyzed using the fragment constituted by 1306 base pairs comprising surface and polymerase regions of the HBV genome. The sequences obtained were submitted to phylogenetic analysis. HBV subgenotypes A1, A2, D1-D4, F2a, and F4 were found. HBV genotype D was the most frequent, found in 99 patients (58.4%). Within this group, subgenotype D3 was the most prevalent, in 73 patients...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Hepatitis B virus; Genotype; Phylogenetics; Intra-familial transmission.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702017000400424

Genetic diversity of human immunodeficiency virus-1 isolates in Paraná, Brazil
Provedor de dados: 55
Autores: Toledo,Paula Virginia Michelon; Carvalho,Denise Siqueira de; Rossi,Silvia Gomes de; Brindeiro,Rodrigo; Queiroz-Telles,Flávio de.
OBJECTIVE: Because epidemiological data on circulating HIV subtypes among HIV-positive patients in the state of Paraná were not known until now, the aims of this study were to describe the genetic diversity profile of HIV-1 in treated patients in Paraná, Brazil, and report the differences in protease (PR) and reverse transcriptase (RT) mutations in HIV-1 subtypes. PATIENTS AND METHODS: A cross-sectional study was conducted from 2003 to 2006. Plasma viral RNA of 389 patients was extracted and PR and RT genes were polymerase chain reaction-amplified and sequenced. Sequences were subtyped and examined for antiretroviral resistance mutations. Data on gender of patient harboring the viruses and past history of antiretroviral treatment were also collected....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: HIV-1 subtypes; Genotype; Antiretroviral; Drug experienced patients.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702010000300006

HIV-1 genotypic resistance profile of patients failing antiretroviral therapy in Paraná, Brazil
Provedor de dados: 55
Autores: Toledo,Paula Virginia Michelon; Carvalho,Denise Siqueira de; Romagnoli,Luiza; Marcinko,Gustavo; Cunha,Clovis Arns da; Souza,Margely Nunes de; Brindeiro,Rodrigo; Queiroz-Telles,Flávio de.
Antiretroviral therapy (ART) has reduced morbidity and mortality related to human immunodeficiency virus (HIV) infection, but in spite of this advance, HIV mutations decrease antiretroviral susceptibility, thus contributing to treatment failure in patients. Genotyping HIV-1 allows the selection of new drugs after initial drug failure. This study evaluated the genotypic profile of HIV-1 isolates from treated (drug-experienced) patients in Paraná, Brazil. The prevalence of mutations in reverse transcriptase (RT) and protease (PR) genes were assessed. We analyzed 467 genotypes of patients with HIV-1 viral loads above 1,000 copies/mL. Mutations at HIV-1 RT and PR genes and previously used ART regimens were recorded. The most prevalent RT mutations were: 184V...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: HIV-1; Genotype; Antiretrovirals; Drug-experienced patients.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702010000400009

Diversity of genotypes in CTX-M-producing Klebsiella pneumoniae isolated in different hospitals in Brazil
Provedor de dados: 55
Autores: Chagas,Thiago Pavoni Gomes; Alves,Ronaldo Mendes; Vallim,Deyse Christina; Seki,Liliane Miyuki; Campos,Leila Carvalho; Asensi,Marise Dutra.
OBJECTIVE: The present study was undertaken to characterize CTX-M ESBL-producing Klebsiella pneumoniae collected from hospitals in different cities of Brazil. MATERIAL AND METHODS: Eighty-five K. pneumoniae strains isolated from hospitalized patients in six different hospitals of three cities of Brazil were analyzed. ESBL production was confirmed by the standard double-disk synergy test and the Etest®. The MIC50 and MIC90 for ESBL-producing isolates were determined by the Etest® method. The antimicrobial susceptibilities of bacterial isolates were determined using the agar diffusion method according to the CLSI. Screening for blaTEM, blaSHV, blaCTX-M genes and class 1 integron was performed by PCR amplification. To determine the genomic diversity of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Klebsiella pneumoniae; Β-lactamases; Genotype.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702011000500002

Simultaneous detection of hepatitis B virus genotypes and mutations associated with resistance to lamivudine, adefovir, and telbivudine by the polymerase chain reaction-ligase detection reaction
Provedor de dados: 55
Autores: Wang,Yong-Zhong; Xiao,Jun-Hua; Liu,Long-Gen; Ye,Chun-Yan; Shen,Hong-Yu; Xu,Tian-Min; Zhu,Ke-Zhuan.
OBJECTIVES: Detection of mutations associated to nucleos(t)ide analogs and hepatitis B virus (HBV) genotyping are essential for monitoring treatment of HBV infection. We developed a multiplex polymerase chain reaction-ligase detection reaction (PCR-LDR) assay for the rapid detection of HBV genotypes and mutations associated with lamivudine, adefovir, and telbivudine resistance in HBV-infected patients. METHODS: HBV templates were amplified by PCR, followed by LDR and electrophoresis on a sequencer. The assay was evaluated using plasmids that contained wild-type or mutant HBV sequences and 216 clinical samples. RESULTS: The PCR-LDR assay and sequencing gave comparable results for 158 of the 216 samples (73.1%) with respect to mutation detection and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Hepatitis B; Drug resistance; Mutation; Genotype.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702011000600010

HIV-1 resistance testing influences treatment decision-making
Provedor de dados: 55
Autores: Diaz,Ricardo Sobhie; Sucupira,Maria Cecilia A; Vergara,Tania RC; Brites,Carlos; Bianco,Rosana Del; Bonasser Filho,Francisco; Colares,Geova Keny B; Portela,Estevão; Cherman,Lia Adler; Barcelos,Nemora Tregnago; Tupinambas,Unai; Turcato Jr,Gilberto; Allamasey,Lisa; Bacheler,Lee; Tuohy,Martin.
OBJECTIVE: To investigates how the use of HIV-1 resistance tests influences physician decision-making. METHODS: Ten experienced reference physicians from the Brazilian Network for Drug Resistance each received ten patients' case histories. The selected patients had experienced at least two virological failures. First, reference physicians were asked to empirically select a new regimen for each patient. Second, after genotype report (ViroSeq 2.6) was provided, and physicians were again asked to select a new regimen considering this additional information. Finally, they were asked to select a regimen after receiving a virtual phenotype result (vircoTYPE 3.9.00). RESULTS: In 79% of the cases, physicians changed their empirical choice of regimen after...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Genotype; Virtual phenotype; Antiretroviral resistance; Brazil.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702010000500011

HEV, TTV and GBV-C/HGV markers in patients with acute viral hepatitis
Provedor de dados: 56
Autores: Lyra,A.C.; Pinho,J.R.R.; Silva,L.K.; Sousa,L.; Saraceni,C.P.; Braga,E.L.; Pereira,J.E.; Zarife,M.A.S.; Reis,M.G.; Lyra,L.G.C.; Silva,L.C. da; Carrilho,F.J.
The aim of the present study was to evaluate the prevalence of HEV, TTV and GBV-C/GBV-C/HGV in patients with acute viral hepatitis A, B and non-A-C. We evaluated sera of 94 patients from a sentinel program who had acute hepatitis A (N = 40), B (N = 42) and non-A-C (N = 12); 71 blood donors served as controls. IgM and anti-HEV IgG antibodies were detected by enzyme immunoassay using commercial kits. TTV and GBV-C/HGV were detected by nested PCR; genotyping was done by sequencing and phylogenetic analysis. Anti-HEV IgG was present in 38, 10 and 17% of patients with hepatitis A, B and non-A-C. Four patients with hepatitis A and 1 with non-A-C hepatitis also had anti-HEV IgM detected in serum. TTV was detected in 21% of patients with acute hepatitis and in 31%...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Acute hepatitis; Hepatitis E; TTV; GBV-C/HGV; Genotype; Brazil.
Ano: 2005
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2005000500015

Effect of iron overload on the severity of liver histologic alterations and on the response to interferon and ribavirin therapy of patients with hepatitis C infection
Provedor de dados: 56
Autores: Souza,R.M.; Freitas,L.A.R.; Lyra,A.C.; Moraes,C.F.; Braga,E.L.; Lyra,L.G.C.
The objective of the present study was to determine the presence of hepatic iron overload in patients with chronic HCV infection and to correlate it with histologic alterations, HCV genotype and response to therapy. Liver tissue samples from 95 patients with chronic hepatitis C were divided into two groups: group I, presence of iron overload in hepatic tissue (Perls' staining) and group II, no iron overload. Hepatic iron overload was detected in 30 (31.6%) of 95 patients. Of the 69 patients tested by genotyping, 49 (71.01%) were genotype 1 and 20 (28.99%) genotype non-1. Iron overload was detected in 14 (28.6%) patients with genotype 1 and in 6 (30%) with genotype non-1 (P = 0.906). There was a significant difference in fibrosis stage between groups (P =...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Hepatitis C infection; Iron overload; Genotype; Inflammatory activity; Fibrosis; Antiviral therapy.
Ano: 2006
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2006000100009

Prevalence of genital human papillomavirus among rural and urban populations in southern Yunnan province, China
Provedor de dados: 56
Autores: Baloch,Z.; Yuan,T.; Yindi,S.; Feng,Y.; Tai,W.; Liu,Y.; Liu,L.; Zhang,A.; Wang,B.; Wu,X.; Xia,X.
This study was designed to investigate and compare the HPV prevalence, genotypes distribution and associated risk factors in rural and urban women living in Xishuang Banna district, in the province of Yunnan. A total of 177 and 190 women from rural and urban areas were engaged, respectively. HPV DNA was amplified using the L1 consensus primers system (MY09/11 and GP5/6) and HPV GenoArray test was conducted for genotyping. Proportions were compared by chi-square test, and logistic regression was used to evaluate risk factors. A total of 54 women were positive for HPV DNA. Among rural women, 23 women were positive for HPV infection, of which 21 showed a single infection and 2 had a multiple infection. HPV-16 (10/23) was the most prevalent genotype followed...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Xishuang Banna; Prevalence; Genotype; Oncogenic; Rural; Urban.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2016000600708

Successful domino liver transplantation in maple syrup urine disease using a related living donor
Provedor de dados: 56
Autores: Feier,F.H.; Miura,I.K.; Fonseca,E.A.; Porta,G.; Pugliese,R.; Porta,A.; Schwartz,I.V.D.; Margutti,A.V.B.; Camelo Jr,J.S.; Yamaguchi,S.N.; Taveira,A.T.; Candido,H.; Benavides,M.; Danesi,V.; Guimaraes,T.; Kondo,M.; Chapchap,P.; Neto,J. Seda.
Maple syrup urine disease (MSUD) is an autosomal recessive disease associated with high levels of branched-chain amino acids. Children with MSUD can present severe neurological damage, but liver transplantation (LT) allows the patient to resume a normal diet and avoid further neurological damage. The use of living related donors has been controversial because parents are obligatory heterozygotes. We report a case of a 2-year-old child with MSUD who underwent a living donor LT. The donor was the patient's mother, and his liver was then used as a domino graft. The postoperative course was uneventful in all three subjects. DNA analysis performed after the transplantation (sequencing of the coding regions of BCKDHA, BCKDHB, andDBT genes) showed that the MSUD...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Heterozygous donor; Metabolic disease; Branched-chain ketoacid dehydrogenase mutation; Leucine; Genotype.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2014000600522

Phenotype and genotype correlation of the microconversion from the CYP21A1P to the CYP21A2 gene in congenital adrenal hyperplasia
Provedor de dados: 56
Autores: Torres,N.; Mello,M.P.; Germano,C.M.R.; Elias,L.L.K.; Moreira,A.C.; Castro,M.
Deficiency of 21-hydroxylase is the most common form of congenital adrenal hyperplasia (CAH-21OH). We determined by allele-specific PCR the frequency of microconversion in the CYP21A2 gene in 50 Brazilian patients with the classical (salt wasting: SW and simple virilizing: SV) forms and nonclassical (NC) form of CAH-21OH and correlated genotype with phenotype. Genotypes were classified into three mutation groups (A, B, and C) based on the amount of enzymatic activity in in vitro studies using adrenal cells. In 94 unrelated alleles, we diagnosed 76% of the affected alleles after screening for 7 microconversions. The most frequent point mutations observed in this series were I172N (19%), V281L (18%), and IVS2,A/C&gt;G,-12 (15%). In the SW form, the most...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: 21-Hydroxylase; Mutation; Microconversion; Genotype; Phenotype; Congenital adrenal hyperplasia.
Ano: 2003
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2003001000006

Hepatitis B virus subgenotype C2- and B2-associated mutation patterns may be responsible for liver cirrhosis and hepatocellular carcinoma, respectively
Provedor de dados: 56
Autores: Chen,Y.M.; Wu,S.H.; Qiu,C.N.; Yu,D.J.; Wang,X.J.
The objective of this study was to examine hepatitis B virus (HBV) subgenotypes and mutations in enhancer II, basal core promoter, and precore regions of HBV in relation to risks of liver cirrhosis (LC) and hepatocellular carcinoma (HCC) in Southeast China. A case-control study was performed, including chronic hepatitis B (CHB; n=125), LC (n=120), and HCC (n=136). HBV was genotyped by multiplex polymerase chain reaction and subgenotyped by restriction fragment length polymorphism. HBV mutations were measured by DNA sequencing. HBV genotype C (68.2%) predominated and genotype B (30.2%) was the second most common. Of these, C2 (67.5%) was the most prevalent subgenotype, and B2 (30.2%) ranked second. Thirteen mutations with a frequency &gt;5% were detected....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Hepatitis B virus; Genotype; Core promoter; Precore; Mutation; Advanced liver disease.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2013000700614

Prevalence of hepatitis C virus (HCV) infection and HCV genotypes of hemodialysis patients in Salvador, Northeastern Brazil
Provedor de dados: 56
Autores: Silva,L.K.; Silva,M.B.S.; Rodart,I.F.; Lopes,G.B.; Costa,F.Q.; Melo,M.E.; Gusmão,E.; Reis,M.G.
Hepatitis C virus (HCV) infection has been identified as the major cause of chronic liver disease among patients on chronic hemodialysis (HD), despite the important reduction in risks obtained by testing candidate blood donors for anti-HCV antibodies and the use of recombinant erythropoietin to treat anemia. A cross-sectional study was performed to estimate the prevalence of HCV infection and genotypes among HD patients in Salvador, Northeastern Brazil. Anti-HCV seroprevalence was determined by ELISA in 1243 HD patients from all ten different dialysis centers of the city. HCV infection was confirmed by RT-PCR and genotyping was performed by restriction fragment length polymorphism. Anti-HCV seroprevalence among HD patients was 10.5% (95% CI: 8.8-12.3)...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Hepatitis C; Seroprevalence; Viremia; Hemodialysis; Genotype; Brazil.
Ano: 2006
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2006000500005

21-Hydroxylase deficiency in Brazil
Provedor de dados: 56
Autores: Bachega,T.A.S.S.; Billerbeck,A.E.C.; Madureira,G.; Marcondes,J.A.M.; Longui,C.A.; Leite,M.V.; Arnhold,I.J.P.; Mendonça,B.B.
We determined the frequency of large rearrangements and point mutations in 130 Brazilian patients with 21-hydroxylase deficiency and correlated genotype with phenotype. The frequency of CYP21 deletions was lower (4.4%) than in most of the previous series described, whereas the frequency of large gene conversions was similar to the frequency reported in the literature (6.6%). The most frequent point mutations were I2 splice (41.8% in salt wasting - SW), I172N (32.6% in simple virilizing - SV) and V281L (40.2% in the late onset form - LO). The frequency of the nine most common point mutations was similar to that reported for other countries. The 93 fully genotyped patients were classified into 3 mutation groups based on the degree of enzymatic activity...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: 21-hydroxylase deficiency; Congenital adrenal hyperplasia; Brazilian patients; CYP21 mutations; Genotype; Phenotype.
Ano: 2000
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2000001000011

Effect of meconium ileus on the clinical prognosis of patients with cystic fibrosis
Provedor de dados: 56
Autores: Oliveira,M.C.L.A.; Reis,F.J.C.; Monteiro,A.P.A.F.; Penna,F.J.
The objective of the present study was to determine the possible prognostic factors which may explain the difference in the survival of patients with cystic fibrosis (CF) with and without meconium ileus. Over a period of 20 years, 127 patients with CF, whose diagnosis was confirmed by typical clinical characteristics and altered sweat chloride levels, were studied retrospectively. The patients were divided into two groups: group 1 consisted of patients who presented CF and meconium ileus (N = 9), and group 2 consisted of patients with CF without meconium ileus (N = 118). The characteristics studied were based on data obtained upon admission of the patients using a specific protocol. Demographic, clinical, nutritional and laboratory data were obtained. The...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cystic fibrosis; Meconium ileus; Survival; Nutrition; Genotype.
Ano: 2002
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2002000100005

Association of genotypes with viral load and biochemical markers in HCV-infected Sindhi patients
Provedor de dados: 58
Autores: Riaz,Saba; Bashir,Muhammad Faisal; Haider,Saleem; Rahid,Naeem.
Abstract The presented study had two objectives. The first was to examine distributions of Hepatitis C Virus (HCV) genotypes in Sindh, Pakistan, where HCV is prevalent. The other was to explore clinically relevant relationships between the genotypes, viral load (measured by real-time polymerase chain reaction assays) and biochemical markers. For this, 1471 HCV-infected patients in six cities in Sindh were recruited and sampled. HCV genotype distributions varied among the cities, but genotype 3a was most prevalent, followed by 3b, 1a and 1b (detected in 51.5, 22.7. 9.25 and 3.2% of the cases, respectively). No type-specific sequences were detected in serum samples from 189 (12.8%) of the 1471 patients. Frequencies of low (&lt;200,000 IU/mL serum),...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Sindh; HCV; Pakistan; Genotype; Biomarkers; Viral load.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822016000400980

Diversity of group A rotavirus genes detected in the Triângulo Mineiro region, Minas Gerais, Brazil
Provedor de dados: 58
Autores: Dulgheroff,Ana Carolina Bernardes; Silva,George Allan Villarouco da; Naveca,Felipe Gomes; Oliveira,Adriana Gonçalves de; Domingues,André Luiz da Silva.
ABSTRACT Group A rotaviruses are the main causative agent of infantile gastroenteritis. The segmented nature of the viral genome allows reassortment of genome segments, which can generate genetic variants. In this study, we characterized the diversity of the VP7, VP4 (VP8*), VP6, NSP4, and NSP5 genes of the rotaviruses that circulated from 2005 to 2011 in the Triângulo Mineiro (TM) region of Brazil. Samples with genotypes G2 (sublineages IVa-1 and IVa-3), G1 (sublineage I-A), G9 (lineage III), G12 (lineages II and III), G8 (lineage II), G3 (lineage III), P[4] (sublineages IVa and IVb), P[8] (sublineages P[8]-3.6, P[8]-3.3, and P[8]-3.1), I2 (lineage VII), E2 (lineages VI, XII, and X), and H2 (lineage III) were identified. The associations found in the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Rotavirus; Infantile diarrhea; Genotype; Genetic variation.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822016000300731

Lack of association between genotypes and virulence factors in C. albicans strains isolated from vaginal secretion
Provedor de dados: 58
Autores: Shinobu,Cristiane Suemi; Ogatta,Sueli Fumie Yamada; Bizerra,Fenando; Furlaneto,Luciana; Peralta,Rosane Marina; Svidzinski,Terezinha Inez Estivalet; Consolaro,Marcia Edilaine Lopes.
The physiopathogenesis of vulvovaginal candidiasis (VVC) is still not completely elucidated. The objective of this study was to evaluate if there is a relationship between the different genotypes of Candida albicans, their main agent and the virulence of this yeast in vaginal isolates, and to check if there are laboratorial markers that can predict the ability of each isolate to develop VVC independently of symptoms. The production of exoenzymes protease, phospholipase and haemolysin, resistance to hydrogen peroxide, and the genotype were determined. Genotype A was predominant (75%), protease, phospholipase and haemolytic activity were highly expressed, and the majority of the yeasts were sensitive to H2O2 in 1 and 2 hours of exposure, suggesting that...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: C. albicans; Vulvovaginal candidiasis; Genotype; Virulence factors.
Ano: 2007
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822007000300015

Effects of the size of sown seed on growth and yield of common bean cultivars of different seed sizes
Provedor de dados: 61
Autores: Lima,Elvis Rodrigues; Santiago,Aline Silva; Araújo,Adelson Paulo; Teixeira,Marcelo Grandi.
A field experiment was conducted to evaluate the effects of planting different sizes of seed of the same cultivar on biomass accumulation and grain yield of common bean (Phaseolus vulgaris L.) cultivars of different seed sizes. A 6 X 2 split-plot factorial design with four replicates was employed, with six bean cultivars as main plots and two seed sizes (small and large, the latter twice as heavy as the former) of the same cultivar as subplots. Eight weekly samplings of biomass were performed, and yield components were measured at maturity. Large seeds increased the leaf area index and the shoot and root biomass of bean cultivars, particularly at the beginning of the growth cycle, but they did not affect the pod biomass. Improved growth associated with the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Phaseolus vulgaris; Genotype; Growth analysis; Leaf area; Yield components.
Ano: 2005
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1677-04202005000300001

Adaptation and Genotype x Environment Interaction of Flaxseed (Linum usitatissimum L.) Genotypes in South Central Chile
Provedor de dados: 117
Autores: Berti,Marisol; Fischer,Susana; Wilckens,Rosemarie; Hevia,Felicitas; Johnson,Burton.
Flaxseed (Linum usitatissimum L.) is imported into Chile mostly for bread making and feed. Identification of genotypes best adapted for seed production in South Central Chile would facilitate producer’s decision. The objective of this study was to determine the adaptation and genotype x environment interaction of 16 flaxseed genotypes (including 10 from North American and six from Argentine sources) grown at 11 environments (defined as location-year) in Chile from 2003 to 2007. Genotype seed yield was above 5700 kg ha-1 for some environments indicating a high yield potential. According to the AMMI (Additive Main Effects and Multiplicative Interaction) and SREG (Sites regression) models the 11 environments were classified into four groups by the AMMI and...
Tipo: Journal article
Palavras-chave: Adaptation; Genotype; Seed yield; Oil content; Linolenic acid.
Ano: 2010
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392010000300001

Chlorophyll fluorescence response of Pinus radiata clones to nitrogen and phosphorus supply
Provedor de dados: 118
Autores: Bown,Horacio E; Mason,Euan G; Clinton,Peter W; Watt,Michael S.
Chlorophyll fluorescence responses to a factorial combination of nitrogen (N) and phosphorus (P) supply were measured in five clones of Pinus radiata cultivated in a greenhouse over twenty-four months. Chlorophyll fluorescence measurements were taken at months six (5 clones, 182 plants), nine (2 clones, 68 plants) and eighteen (2 clones, 48 plants). Plant growth in stem diameter, height, leaf area, fascicle mass, length and diameter were found to significantly increase with N and, to a lesser extent, P additions; and these values were greatest when both N and P were combined. Plant growth and fascicle size also varied significantly across clones and were generally consistent with the genotypic growth responses that were observed in the field. Dark (Fv /...
Tipo: Journal article
Palavras-chave: Chlorophyll fluorescence; Quantum efficiency of PSII; Electron transport; Genotype; Nutrient limitation.
Ano: 2009
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202009000300012

Genotyping of South American clinical isolates of Pythium insidiosum based on single nucleotide polymorphism-based multiplex PCR
Provedor de dados: 65
Autores: Weiblen,Carla; Azevedo,Maria Isabel de; Ianiski,Lara Baccarin; Stibbe,Paula Cristina; Pereira,Daniela Isabel Brayer; Zanette,Régis Adriel; Sangioni,Luís Antônio; Rivero,Rodolfo; Santurio,Janio Morais; Botton,Sônia de Avila.
ABSTRACT: We aimed to genotype the South American clinical isolates of Pythium insidiosum using the single nucleotide polymorphisms (SNP) of the ribosomal DNA sequences (rDNA). Previously, an SNP-based multiplex-PCR was able to distinguish three different clades of P. insidiosum isolates. Thus, we used this assay to evaluate South American clinical isolates of P. insidiosum (n=32), standard strains from Costa Rica (n=4), Thailand (n=3), Japan (n=1), and India (n=1), a standard strain of Pythium aphanidermatum, and Brazilian environmental isolates of Pythium torulosum, Pythium rhizo-oryzae and Pythium pachycaule voucher (n=3). It was possible to allocate each American P. insidiosum isolate to clade I, the isolates of India, Japan, and Thailand to clade II,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Pythium insidiosum; Pythiosis; Molecular detection; Genotype; Single nucleotide polimorphisms.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782019000100450

In vitro adventitious shoot regeneration from leaf explants of some apricot cultivars
Provedor de dados: 64
Autores: Mitrofanova,Olga Vladimirovna; Mitrofanova,Irina Vjacheslavovna; Kuzmina,Tatyana Nikolaevna; Lesnikova-Sedoshenko,Nina Pavlovna; Dolgov,Sergey Vladimirovich.
ABSTRACT Apricot is one of the most valuable commercial fruits. In vitro propagation of apricot is very important for rapid multiplication of cultivars with desirable traits and production of cleaning up and virus-free plants. Low frequency of multiplication is the main limiting factor for traditional propagation methods. In this regard, the objective of our investigation was to study the morphogenetic capacity of apricot leaf explants of the promising cultivars ‘Iskorka Tavridy’, ‘Magister’ and ‘Bergeron’ for regeneration system development and solving some breeding questions. The source of explants was in vitro plants regenerated and cultured on QL medium. Leaves were maintained in the dark at 24±1 °C in thermostat for three-four weeks. Morphogenic...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Prunus armeniaca L.; Genotype; Leaf culture; Gemmiferous callus; Microshoot.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542019000100210