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| Registros recuperados: 42 | |
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| Bai,J; Dong,ZH; Lei,Y; Yang,YB; Jia,XP; Li,JY. |
| ABSTRACT This study investigated SNP mutation sites of Gonadotrophin releasing hormone (GnRH) gene in China yellow quail, Beijing white quail and Korean quail through PCR amplification and DNA sequencing technologies. Moreover, polymorphism of GnRH gene and its association with growth traits of quail were analyzed, aiming to get molecular markers associated to growth traits of quail, which could provide references for breeding of new quail species. According to research results, a total of 14 SNP mutation sites of GnRH were detected in China yellow quail, Beijing white quail and Korean quail, which were C71T, C108T, C168T, C178T, A184G, C206T, A209C, C215T, A252G, A279T, C281T, C293G, C339T and C458T. Except that only 2 genotypes were detected for A209C... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Gonadotrophin releasing hormone (GnRH) gene; DNA sequencing; SNP; Polymorphism; Body weight. |
| Ano: 2021 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2021000100312 |
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| Bai,Jun Yan; Wang,Xu; Yang,You Bing; Zhang,Xiao Hui; Pang,You Zhi; Li,Hong Wei. |
| ABSTRACT In this study, POU1F1 gene polymorphism was detected in five sheep populations (large-tailed Han, small-tailed Han, Yuxi fat-tailed, Lanzhou large-tailed, and Mongolian sheep), using DNA pooling and sequencing, to provide theoretical basis for the breeding of excellent sheep varieties. Three single-nucleotide polymorphism (SNP) loci of POU1F1 gene were detected in five sheep populations, namely C355T (C/T), C71G (C/G), and C330G (C/G). C and T frequencies of C355T were 0.67/0.33, 0.81/0.19, 0.67/0.33, 1.00/0.00, and 0.93/0.07, respectively, in large-tailed Han, small-tailed Han, Yuxi fat-tailed, Mongolian, and Lanzhou large-tailed sheep. C of C355T locus was the dominant allele in five sheep populations. C and G allele frequencies of C330G locus... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: DNA pooling; Phylogenetic tree; Sheep; SNP. |
| Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982016001000604 |
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| Bailliet,Graciela; Ramallo,Virginia; Muzzio,Marina; Santos,María R; Motti,Josefina MB; Bianchi,Néstor O; Bravi,Claudio M. |
| Los avances en el conocimiento del genoma humano han llegado también a una situación comprensiva en relación a la región específica del cromosoma Y humano. En los últimos años se han reconocido al menos 600 polimorfismos bialélicos (SNP), a partir de los cuales se ha construido una sólida filogenia y se ha normalizado la nomenclatura. En el presente trabajo se han estudiado 940 muestras de varones no relacionados de 10 poblaciones aborígenes de Argentina, Chile y Paraguay; y 12 poblaciones urbanas de Argentina. Se han analizado 9 marcadores bialélicos para reconocer los clados mayores de la filogenia. Fue posible distinguir los haplogrupos Q* y Q3 autóctonos, y los haplogrupos AB, DE, F, K, P y R alóctonos. El Fst fue de 0, 17, mostrando un alto nivel de... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Linajes paternos; Haplogrupos; SNP; Ancestralidad genética; Poblaciones humanas. |
| Ano: 2011 |
URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S1852-62332011000100003 |
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| Biase,Fernando Henrique; Meirelles,Flávio Vieira; Gunski,Ricardo; Vozzi,Pedro Alejandro; Bezerra,Luiz A.F.; Vila,Reginaldo A.; Rosa,Artur J.M.; Lôbo,Raysildo B.; Martelli,Lúcia. |
| We sampled 119 Nelore cattle (Bos indicus), 69 harboring B. indicus mtDNA plus 50 carrying Bos taurus mtDNA, to estimate the frequencies of putative mtDNA single nucleotide polymorphisms (SNPs) and investigate their association with Nelore weight and scrotal circumference estimated breeding values (EBVs). The PCR restriction fragment length polymorphism (PCR-RFLP) method was used to detect polymorphisms in the mitochondrial asparagine, cysteine, glycine, leucine and proline transporter RNA (tRNA) genes (tRNAasn, tRNAcys, tRNAgly, tRNAleu and tRNApro). The 50 cattle carrying B. taurus mtDNA were monomorphic for all the tRNA gene SNPs analyzed, suggesting that they are specific to mtDNA from B. indicus cattle. No tRNAcys or tRNAgly polymorphisms were... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Bovine; Mitochondria; MtDNA; SNP; Weight. |
| Ano: 2007 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572007000600005 |
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| Blecha,Isabella Maiumi Zaidan; Sousa,Isadora Inácio; Ferreira,Anna Beatriz Robottom; Feijó,Gelson Luis Dias; Torres Júnior,Roberto Augusto de Almeida; Siqueira,Fabiane. |
| ABSTRACT The objectives of this study were to genotype single nucleotide polymorphisms (SNP) AF159246:g.2959A>G (CAST/DdeI) and AF248054.2:g.6545C>T (CAPN4751) in beef cattle by PCR-RFLP (Polymerase Chain Reaction - Restriction Fragment Length Polymorphism), using the restriction enzyme DdeI for both SNP, and describe the use of these genotyping methodologies for the first time. For the SNP located in the CAST gene, new primers were designed, and for the SNP of the CAPN1 gene, the same primers previously described in the literature were used. Bonsmara, Caracu, Senepol, Nelore, and Angus bulls were chosen from among the most used bulls in breeding programs according to their genealogy and the lowest possible degree of parentage between them to ensure... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Animal breeding; Marker-assisted selection; PCR-RFLP; SNP; Tenderness. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982019000100311 |
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| Carvalho,Thiago Dutra de; Siqueira,Fabiane; Torres Júnior,Roberto Augusto de Almeida; Medeiros,Sérgio Raposo de; Feijó,Gelson Luís Dias; Souza Junior,Maury Dorta de; Blecha,Isabella Maiumi Zaidan; Soares,Cleber Oliveira. |
| The objective of the present study was to estimate the allelic and genotypic frequencies of the polymorphisms E2FB (AY138588.1: c.305C> T), located in the leptin gene (LEP), and TG5 (X05380.1:g.-422C>T), located in the thyroglobulin gene (TG), and evaluate the association of these polymorphisms in crossbred cattle of seven distinct genetic groups with the following traits: slaughter weight (SW), hot carcass weight (HCW), hot carcass yield (HCY), carcass fat thickness (CFT), ribeye area (REA), marbling (MARM) and shear force (SF). The animals were genotyped using the PCR-RFLP (Polymorphism Chain Reaction-Restriction Fragment Length Polymorphism) technique, using 201 products obtained from F1 Caracu × Nellore, Angus × Nellore and Valdostana × Nellore... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Fat thickness; Marker-assisted selection; Meat tenderness; Shear force; SNP. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012001000004 |
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| Cassoli,Clarissa Sanches da Silva; Jorge,Erika Cirstina; Patrício,Mateus; Alves,Helena Javiel; Almeida,Erik Amazonas de; Ledur,Mônica Corrêa; Coutinho,Luiz Lehmann. |
| Brazilian poultry industry has reached a high level of development in both meat and egg production as a result of constant technological modernization. Further improvements can be achieved through genomics, but before this can be accomplished, a better understanding of gene expression profiles and nucleotide polymorphisms is necessary. Since animal physiology is directly or indirectly controlled by the pituitary and hypothalamus, the aim of the present work was to identify and analyze genes expressed in these tissues in chicken lines with different growth potential. Two pituitary and hypothalamus cDNA libraries from 21 day broiler (TT) and layer (CC) chickens lines were constructed and allowed identification of 3,074 unique sequences and 77 single... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Pituitary; Hypothalamus; EST; SNP; Chicken. |
| Ano: 2007 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572007000600008 |
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| Fu,Changzhen; Wang,Hong; Li,Yaokun; Wang,Jiali; Cheng,Gong; Wang,Hongbao; Yang,Wucai; Zan,Linsen. |
| Background CDIPT (CDP-diacylglycerol-inositol 3-phosphatidyltransferase, EC 2.7.8.11) was found on the cytoplasmic side of the Golgi apparatus and the endoplasmic reticulum. It was an integral membrane protein performing the last step in the de novo biosynthesis of phosphatidylinositol (PtdIns). In recent years, PtdIns has been considered to play an essential role in energy metabolism, fatty acid metabolic pathway and intracellular signal transduction in eukaryotic cells. Results In this study, the results of real-time polymerase chain reaction (PCR) showed that the expression of CDIPT gene was remarkably different in diverse tissues. We also detected the polymorphism of bovine CDIPT gene and analyzed its association with body measurement and meat quality... |
| Tipo: Journal article |
Palavras-chave: Body measurement traits; Gene expression; Meat quality traits; PCR-RFLP; SNP. |
| Ano: 2014 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582014000400004 |
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| Griot, Ronan; Allal, Francois; Brard‐fudulea, S; Morvezen, R; Haffray, P; Phocas, F; Vandeputte, Marc. |
| In the context of parentage assignment using genomic markers, key issues are genotyping errors and an absence of parent genotypes because of sampling, traceability or genotyping problems. Most likelihood‐based parentage assignment software programs require a priori estimates of genotyping errors and the proportion of missing parents to set up meaningful assignment decision rules. We present here the R package APIS, which can assign offspring to their parents without any prior information other than the offspring and parental genotypes, and a user‐defined, acceptable error rate among assigned offspring. Assignment decision rules use the distributions of average Mendelian transmission probabilities, which enable estimates of the proportion of offspring with... |
| Tipo: Text |
Palavras-chave: Microsatellites; Missing parents; Parentage assignment; Pedigree; SNP. |
| Ano: 2020 |
URL: https://archimer.ifremer.fr/doc/00587/69866/67767.pdf |
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| Harney, Ewan; Lachambre, Sebastien; Roussel, Sabine; Huchette, Sylvain; Enez, Florian; Morvezen, Romain; Haffray, Pierrick; Boudry, Pierre. |
| Selective breeding strategies require pedigree information over generations, but many species produced in aquaculture are too small to be physically tagged at early stages. Consequently, maintaining a sufficient number of separate families is often needed but costly and logistically difficult. Alternatively, parentage assignment can be obtained using DNA markers. We developed a panel of single nucleotide polymorphism (SNP) markers for the European abalone Haliotis tuberculata using an existing transcriptomic resource. An initial set of 2,176,887 SNPs was filtered to select 500 for high throughput genotyping. Of these, 298 SNPs were amplified in at least 90% of our H. tuberculata samples, consisting of a mixed family cohort (945 offspring) generated by... |
| Tipo: Text |
Palavras-chave: Abalone; Parentage assignment; Pedigree; Selective breeding; Transcriptome; SNP. |
| Ano: 2018 |
URL: https://archimer.ifremer.fr/doc/00429/54061/55396.pdf |
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| Hernández Rodríguez, Martha. |
| El maíz (Zea mays L.) de calidad proteínica (QPM) es nutricionalmente superior en comparación con el maíz normal, porque produce semillas con casi el doble de los aminoácidos (aa) lisina (Lys) y triptófano (Trp), esenciales para la síntesis endógena de la vitamina B niacina. Actualmente, la conversión de una línea de maíz normal a una QPM, se acelera mediante la selección asistida por marcadores moleculares (MAS) y métodos de detección química. En este estudio se reporta el desarrollo y validación de marcadores basados en polimorfismos de un solo nucleótido (SNPs) para los loci opaque-2 (o2) y Ask-2, involucrados en la genética de los QPM, así como la interacción de ambos loci para el contenido de 11 aa en el endospermo de dos poblaciones F2 de maíz,... |
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Palavras-chave: Zea mays; Opaque-2; Ask-2; MAS; QPM; SNP; SSCP; Genética; Doctorado. |
| Ano: 2013 |
URL: http://hdl.handle.net/10521/2319 |
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| Huan,Pin; Zhang,Xiaojun; Li,Fuhua; Zhang,Yang; Zhao,Cui; Xiang,Jianhai. |
| Zhikong scallop Chlamys farreri (Jones et Preston) is an economically important species in China. Understanding its immune system would be of great help in controlling diseases. In the present study, an important immunity-related gene, the Lipopolysaccharide and Beta-1,3-glucan Binding Protein (LGBP) gene, was located on C. farreri chromosomes by mapping several lgbp-containing BAC clones through fluorescence in situ hybridization (FISH). Through the localization of various BAC clones, it was shown that only one locus of this gene existed in the genome of C. farreri, and that this was located on the long arm of a pair of homologous chromosomes. Molecular markers, consisting of eight single nucleotide polymorphism (SNPs) markers and one insertion-deletion... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Chlamys farreri; LGBP; Fluorescence in situ hybridization (FISH); Indel; SNP. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572010000100008 |
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| Lee,Youngsub; Park,Sairom; Kim,Hun; Lee,Seung Kyu; Kim,Jin Woo; Lee,Hak Kyo; Jeong,Dong Kee; Lee,Sung Jin. |
| Background: The melanocortin-4 receptor gene (MC4R) plays an important role in regulating food intake and body weight in mammals. In the present study, we identified the MC4R gene in native Korean brown, brindle, and black cattle by polymerase chain reaction restriction fragment length polymorphism (PCR-RFLP), and investigated its association with economic traits. A total of 413 cattle from the three breeds were tested for backfat thickness, carcass weight, longissimus muscle area, and marbling score, and statistical data were analyzed using the SAS program. Results: The C allele had the highest frequency in brown and brindle cattle, and the G allele frequency was highest in black cattle. The C1069G SNP was significantly (p < 0.05) associated with only... |
| Tipo: Journal article |
Palavras-chave: Economic trait; Marbling scores; MC4R gene; PCR-RFLP; SNP. |
| Ano: 2013 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582013000500014 |
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| Martínez,Rodrigo; Bejarano,Diego; Gómez,Yolanda; Dasoneville,Romain; Jiménez,Ariel; Even,Gael; Sölkner,Johann; Mészáros,Gabor. |
| Abstract Genotypic and phenotypic data of 1,562 animals were analyzed to find genomic regions that potentially influence the birth weight (BW), weaning weight at seven months of age (WW) and yearling weight (YW) of Colombian Brahman cattle, with genotyping conducted using Illumina Bead chip array with 74,669 SNPs. A Single Step Genomic BLUP (ssGBLP), approach was used to estimate the proportion of variance explained by each marker. Multiple regions scattered across the genome were found to influence weights at different ages, also dependent on the trait component (direct or maternal). The most interesting regions were connected to previously identified QTLs and genes, such as ADAMTSL3, CAPN2, CAPN2, FABP6, ZEB2 influencing growth and weight traits. The... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Bos indicus; SNP; QTL; GWAS; Body weight. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572017000300453 |
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| Registros recuperados: 42 | |
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