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Registros recuperados : 70 | |
8. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | AMARAL, A. M. do; HOMEM, R. A.; MACHADO, M. A. Expressão de genes de Xanthomonas axonopodis pv. citri através de interação com a planta de citros. Fitopatologia Brasileira, Brasília, DF, v. 32, supl., p. S247, ago. 2007. Resumo 0692. Edição dos Resumos do XL Congresso Brasileiro de Fitopatologia, Maringá, PR, ago. 2007. Biblioteca(s): Embrapa Recursos Genéticos e Biotecnologia. |
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12. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | HOMEM, R. A.; BAPTISTA, J. C.; AMARAL, A. M. do; MACHADO, M. A. Análise mutacional de Xanthomonas axonopodis pv. citri para componentes do sistema de secreção tipo III. Summa Phytopathologica, Botucatu, v. 33, supl., p. S14, 2007. Resumo 020. Edição dos Anais do XXX Congresso Paulista de Fitopatologia, 2007, Jaboticabal. Biblioteca(s): Embrapa Recursos Genéticos e Biotecnologia. |
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17. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | AMARAL, A. M. do; PAIVA, L. V.; MARINHO, C. S.; MENEGUCCI, J. L. de P. Diagnose visual da Clorose Variegada dos Citros (CVC) em pomares na regiao de Lavras, sul de Minas. In: CONGRESSO DA POS-GRADUACAO NA ESAL, 6., 1993, Lavras. Anais: Cerrado: torto, nem por isso errado. Lavras: ESAL, 1993. p.191-192. Biblioteca(s): Embrapa Cerrados. |
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19. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | MENEGUCCI, J. L. P.; AMARAL, A. M. do; SOUTO, R. F.; SOUZA, M. de. Efeito de acido giberelico e acido diclorofenoxiacetico GA3 e 2,4-D nas caracteristicas fisicas e quimicas de frutos da laranjeira 'Lima Sorocaba'(1) Laranja: Revista Tecnico-Cientifica de Citricultura, v.21, n.1, p.99-113, Cordeiropolis, SP, 2000 Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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![](/consulta/web/img/deny.png) | Acesso ao texto completo restrito à biblioteca da Embrapa Mandioca e Fruticultura. Para informações adicionais entre em contato com cnpmf.biblioteca@embrapa.br. |
Registro Completo
Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
Data corrente: |
24/12/2008 |
Data da última atualização: |
15/01/2009 |
Tipo da produção científica: |
Resumo em Anais de Congresso |
Autoria: |
SILVA-PINHATI, A. C.; FREITAS-ÁSTUA, J.; AMARAL, A. M. do; MACHADO, M. A. |
Afiliação: |
A. C. Silva-Pinhati, CCSM/IAC; Juliana Freitas-Ástua, CNPMF/CCSM/IAC; A. M. do Amaral, CCSM/IAC; M. A. Machado, CCSM/IAC. |
Título: |
Expression of genes associate to biosynthesis of flavonoids of Citrus sinensis. |
Ano de publicação: |
2008 |
Fonte/Imprenta: |
In: INTERNATIONAL CITRUS CONGRESS, 11., 2008, Wuhan, China. Program and abstracts... Wuhan: The International Society of Citriculture, 2008. p. 161. P 132. |
Idioma: |
Inglês |
Conteúdo: |
Flavonoids constitute a major group of secondary metabolites and they are directly associated with citrus fruit quality. In plants, these compounds are involved in the protection against the biotic and abiotic stresses, cell structure, UV protection, attraction of pollinators and seed dispersal. Flavones represent one of the most abundant and important classes of flavonoids, occurring in almost all plant tissues. The formation of flavones is catalyzed by flavone synthase I or flavone synthase II (FNSII). One of the main enzymes in the flavonol biosynthesis pathway is the flavanone-3-hydroxylase (F3H). In a previous study, we identified putative novel genes involved in the synthesis of flavones and flavonols in Citrus sinensis through expressed sequence tags (ESTs) of the CitEST database. Even though flavones have been found in several species and varieties within the citrus genus, this is the first study to report the presence of two copies of the fnsII gene in sweet orange. Moreover, in addition to the available Citf3h gene sequence, we identified another f3h transcript in C. sinensis. Because of the importance of having been found putative novel copies of genes involved in flavonoids biosynthesis, here we report the characterization of such gene expression patterns in different tissues and citrus fruit developmental stages, studied by real time quantitative PCR for the validation of results observed in silico analysis. Some of these genes or copies of genes should be used for genetic transformation of citrus to improve the fruit quality. MenosFlavonoids constitute a major group of secondary metabolites and they are directly associated with citrus fruit quality. In plants, these compounds are involved in the protection against the biotic and abiotic stresses, cell structure, UV protection, attraction of pollinators and seed dispersal. Flavones represent one of the most abundant and important classes of flavonoids, occurring in almost all plant tissues. The formation of flavones is catalyzed by flavone synthase I or flavone synthase II (FNSII). One of the main enzymes in the flavonol biosynthesis pathway is the flavanone-3-hydroxylase (F3H). In a previous study, we identified putative novel genes involved in the synthesis of flavones and flavonols in Citrus sinensis through expressed sequence tags (ESTs) of the CitEST database. Even though flavones have been found in several species and varieties within the citrus genus, this is the first study to report the presence of two copies of the fnsII gene in sweet orange. Moreover, in addition to the available Citf3h gene sequence, we identified another f3h transcript in C. sinensis. Because of the importance of having been found putative novel copies of genes involved in flavonoids biosynthesis, here we report the characterization of such gene expression patterns in different tissues and citrus fruit developmental stages, studied by real time quantitative PCR for the validation of results observed in silico analysis. Some of these genes or copies of genes should be used... Mostrar Tudo |
Palavras-Chave: |
Citros; Melhoramento genetico. |
Thesagro: |
Genética Vegetal. |
Categoria do assunto: |
-- |
Marc: |
LEADER 02225naa a2200193 a 4500 001 1655358 005 2009-01-15 008 2008 bl uuuu u00u1 u #d 100 1 $aSILVA-PINHATI, A. C. 245 $aExpression of genes associate to biosynthesis of flavonoids of Citrus sinensis. 260 $c2008 520 $aFlavonoids constitute a major group of secondary metabolites and they are directly associated with citrus fruit quality. In plants, these compounds are involved in the protection against the biotic and abiotic stresses, cell structure, UV protection, attraction of pollinators and seed dispersal. Flavones represent one of the most abundant and important classes of flavonoids, occurring in almost all plant tissues. The formation of flavones is catalyzed by flavone synthase I or flavone synthase II (FNSII). One of the main enzymes in the flavonol biosynthesis pathway is the flavanone-3-hydroxylase (F3H). In a previous study, we identified putative novel genes involved in the synthesis of flavones and flavonols in Citrus sinensis through expressed sequence tags (ESTs) of the CitEST database. Even though flavones have been found in several species and varieties within the citrus genus, this is the first study to report the presence of two copies of the fnsII gene in sweet orange. Moreover, in addition to the available Citf3h gene sequence, we identified another f3h transcript in C. sinensis. Because of the importance of having been found putative novel copies of genes involved in flavonoids biosynthesis, here we report the characterization of such gene expression patterns in different tissues and citrus fruit developmental stages, studied by real time quantitative PCR for the validation of results observed in silico analysis. Some of these genes or copies of genes should be used for genetic transformation of citrus to improve the fruit quality. 650 $aGenética Vegetal 653 $aCitros 653 $aMelhoramento genetico 700 1 $aFREITAS-ÁSTUA, J. 700 1 $aAMARAL, A. M. do 700 1 $aMACHADO, M. A. 773 $tIn: INTERNATIONAL CITRUS CONGRESS, 11., 2008, Wuhan, China. Program and abstracts... Wuhan: The International Society of Citriculture, 2008. p. 161. P 132.
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