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Registros recuperados: 10
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Agronomical performance of citrus scion cultivars grafted on Rangpur lime in north-eastern Brazil. Repositório Alice
MARTINS, C. R.; CARVALHO, H. W. L. de; TEODORO, A. V.; SOARES FILHO, W. dos S.; PASSOS, O. S..
2016
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Sweet orange; Mandarin; Acid lime; Canopy volume; Pests; Yield.
Ano: 2016 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1035250
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An in silico analysis of the key genes involved in flavonoid biosynthesis in Citrus sinensis Genet. Mol. Biol.
Lucheta,Adriano R.; Silva-Pinhati,Ana Carla O.; Basílio-Palmieri,Ana Carolina; Berger,Irving J.; Freitas-Astúa,Juliana; Cristofani,Mariângela.
Citrus species are known by their high content of phenolic compounds, including a wide range of flavonoids. In plants, these compounds are involved in protection against biotic and abiotic stresses, cell structure, UV protection, attraction of pollinators and seed dispersal. In humans, flavonoid consumption has been related to increasing overall health and fighting some important diseases. The goals of this study were to identify expressed sequence tags (EST) in Citrus sinensis (L.) Osbeck corresponding to genes involved in general phenylpropanoid biosynthesis and the key genes involved in the main flavonoids pathways (flavanones, flavones, flavonols, leucoanthocyanidins, anthocyanins and isoflavonoids). A thorough analysis of all related putative genes...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Phenylpropanoids; Sweet orange; Expressed sequence tags (EST); Secondary metabolism.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572007000500010
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Analysis of expressed sequence tags from Citrus sinensis L. Osbeck infected with Xylella fastidiosa Genet. Mol. Biol.
Souza,Alessandra A. de; Takita,Marco A.; Coletta-Filho,Helvécio D.; Targon,Maria Luisa P.N.; Carlos,Eduardo F.; Locali-Fabris,Eliane C.; Amaral,Alexandre M.; Freitas-Astúa,Juliana; Silva-Pinhati,Ana Carla O.; Boscariol-Camargo,Raquel L.; Berger,Irving J.; Rodrigues,Carolina M.; Reis,Marcelo S.; Machado,Marcos A..
In order to understand the genetic responses resulting from physiological changes that occur in plants displaying citrus variegated chlorosis (CVC) symptoms, we adopted a strategy of comparing two EST libraries from sweet orange [Citrus sinensis (L.) Osbeck]. One of them was prepared with plants showing typical CVC symptoms caused by Xylella fastidiosa and the other with non-inoculated plants. We obtained 15,944 ESTs by sequencing the two cDNA libraries. Using an in silico hybridization strategy, 37 genes were found to have significant variation at the transcriptional level. Within this subset, 21 were up-regulated and 16 were down-regulated in plants with CVC. The main functional categories of the down-regulated transcripts in plants with CVC were...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Sweet orange; EST; CVC; Compatible interaction.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572007000500023
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Citrus asymmetric somatic hybrids produced via fusion of gamma-irradiated and iodoacetamide-treated protoplasts. Repositório Alice
BONA, C.M. de; GOULD, J.H.; MILLER JR.; J.C.; STELLY, D.; LOUZADA, E.S..
The objective of this study was to produce citrus somatic asymmetric hybrids by fusing gamma-irradiated protoplasts with iodoacetamide-treated protoplasts. Protoplasts were isolated from embryogenic suspension cells of grapefruit (Citrus paradisi Macfad.) cultivars Ruby Red and Flame, sweet oranges (C. sinensis Osbeck) 'Itaboraí', 'Natal', Valencia', and 'Succari', from 'Satsuma' (C. unshiu Marcow.) and 'Changsha' mandarin (C. reticulata Blanco) and 'Murcott' tangor (C. reticulata x C. sinensis). Donor protoplasts were exposed to gamma rays and receptor protoplasts were treated with 3 mmol L-1 iodoacetamide (IOA), and then they were fused for asymmetric hybridization. Asymmetric embryos were germinated, and the resulting shoots were either grafted onto...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Citrus sp.; Gamma irradiation; Grapefruit; Protoplast fusion; Somatic hybridization; Sweet orange; Irradiação gama; Pomelo; Fusão de protoplasto; Hibridação somática; Laranja doce.
Ano: 2009 URL: http://www.alice.cnptia.embrapa.br/handle/doc/125867
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Citrus asymmetric somatic hybrids produced via fusion of gamma-irradiated and iodoacetamide-treated protoplasts PAB
Bona,Claudine Maria de; Gould,Jean Howe; Miller Jr,J. Creighton; Stelly,David; Louzada,Eliezer Silva.
The objective of this study was to produce citrus somatic asymmetric hybrids by fusing gamma-irradiated protoplasts with iodoacetamide-treated protoplasts. Protoplasts were isolated from embryogenic suspension cells of grapefruit (Citrus paradisi Macfad.) cultivars Ruby Red and Flame, sweet oranges (C. sinensis Osbeck) 'Itaboraí', 'Natal', Valencia', and 'Succari', from 'Satsuma' (C. unshiu Marcow.) and 'Changsha' mandarin (C. reticulata Blanco) and 'Murcott' tangor (C. reticulata x C. sinensis). Donor protoplasts were exposed to gamma rays and receptor protoplasts were treated with 3 mmol L-1 iodoacetamide (IOA), and then they were fused for asymmetric hybridization. Asymmetric embryos were germinated, and the resulting shoots were either grafted onto...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Citrus sp.; Gamma irradiation; Grapefruit; Protoplast fusion; Somatic hybridization; Sweet orange.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2009000500004
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Citrus plastid-related gene profiling based on expressed sequence tag analyses Genet. Mol. Biol.
Calsa Jr.,Tercilio; Figueira,Antonio.
Plastid-related sequences, derived from putative nuclear or plastome genes, were searched in a large collection of expressed sequence tags (ESTs) and genomic sequences from the Citrus Biotechnology initiative in Brazil. The identified putative Citrus chloroplast gene sequences were compared to those from Arabidopsis, Eucalyptus and Pinus. Differential expression profiling for plastid-directed nuclear-encoded proteins and photosynthesis-related gene expression variation between Citrus sinensis and Citrus reticulata, when inoculated or not with Xylella fastidiosa, were also analyzed. Presumed Citrus plastome regions were more similar to Eucalyptus. Some putative genes appeared to be preferentially expressed in vegetative tissues (leaves and bark) or in...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Citrus variegated chlorosis; In silico; Sweet orange; Tangerine.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572007000500013
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Differentially expressed stress-related genes in the compatible citrus-Citrus leprosis virus interaction Genet. Mol. Biol.
Freitas-Astúa,Juliana; Bastianel,Marinês; Locali-Fabris,Eliane C.; Novelli,Valdenice M.; Silva-Pinhati,Ana Carla; Basílio-Palmieri,Ana Carolina; Targon,Maria Luisa P.N.; Machado,Marcos A..
Leprosis, caused by Citrus leprosis virus, cytoplasmic type (CiLV-C), is the main viral disease in the Brazilian citrus industry. This occurs because of the widespread source of inoculum and the year-round presence of the vector, the tenuipalpid mite Brevipalpus phoenicis, in citrus plants. In addition, while some Citrus species are resistant to CiLV-C, C. sinensis, the main cultivated species in the country, is extremely susceptible to the disease. The main objective of this work was to identify genes in C. sinensis cv. Pêra plants that were differentially expressed after the host was challenged with CiLV-C. In order to accomplish that, cDNA libraries were constructed from healthy and CiLV-inoculated sweet orange leaves. Two hundred and fifty-four genes...
Tipo: Info:eu-repo/semantics/article Palavras-chave: EST; Disease; CiLV; In silico hybridization; Sweet orange; Citrus sinensis.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572007000500026
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Dwarfing rootstocks for Valencia sweet orange. Repositório Alice
RAMOS, Y. C.; STUCHI, E. S.; GIRARDI, E. A.; LEÃO, H. C.; GESTEIRA, A. da S.; PASSOS, O. S.; SOARES FILHO, W. dos S..
The Brazilian and other citrus industries will likely require, among other technologies, the use of rootstocks that are suitable for higher planting densities with high production efficiency of high quality fruits and tolerant to abiotic and biotic stresses.
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Sweet orange; Dwarfing rootstocks.
Ano: 2012 URL: http://www.alice.cnptia.embrapa.br/handle/doc/945586
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Initial production of 17 mid-season sweet orange cultivars in Southwestern São Paulo State, Brazil. Repositório Alice
RAMOS, Y. C.; MOURÃO FILHO, F. A. A.; STUCHI, E. S.; SILVA, S. R; CAPUTO, M. M.; BREMER NETO, H.; FADEL, A. L..
The high incidence of diseases and their destructive impact on sweet orange in Brazil has led to changes in the growing regions.
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Sweet orange.
Ano: 2012 URL: http://www.alice.cnptia.embrapa.br/handle/doc/945638
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RESISTANCE TO ALTERNARIA BROWN SPOT OF NEW CITRUS HYBRIDS Rev. Bras. Frutic.
CAMPOS,KELLY APARECIDA FERNANDES DE; AZEVEDO,FERNANDO ALVES DE; BASTIANEL,MARINÊS; CRISTOFANI-YALY,MARIÂNGELA.
ABSTRACT Alternaria brown spot (ABS) disease is caused by the fungus of Alternaria alternata f. sp. citri, which causes injury in leaves, branches and fruits of citrus. The action of the pathogen is directly related to the presence of toxin receptors in susceptible genotypes. The objective of this study was to characterize a population of citrus hybrids obtained from controlled crosses between Pêra de Abril sweet orange and the hybrid of Murcott tangor x Pêra sweet orange (TM x LP 163) for response to ABS through the in vitro inoculation of fungal spores in young detached leaves. The fungus was isolated from the lesions of Murcott tangor fruits that exhibited ABS symptoms. Two hundred thirty-five hybrids were evaluated, and 70 (30%) showed different...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Alternaria alternata; Genetic breeding; Murcott tangor; Pêra de Abril; Sweet orange.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452017000500404
Registros recuperados: 10
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