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 | Acesso ao texto completo restrito à biblioteca da Embrapa Arroz e Feijão. Para informações adicionais entre em contato com cnpaf.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Arroz e Feijão. |
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Data corrente: |
05/09/2011 |
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Data da última atualização: |
12/12/2011 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
DELTEIL, A.; BLEIN, M.; FAIVRE-RAMPANT, O.; GUELLIM, A.; ESTEVAN, J.; HIRSCH, J.; BEVITORI, R.; MICHEL, C.; MOREL, J.-B. |
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Afiliação: |
AMANDINE DELTEIL, CIRAD; MÉLISANDE BLEIN, CIRAD; ODILE FAIVRE-RAMPANT, PARCO TECNOLOGICO PADANO; AMIRA GUELLIM, CIRAD; JOAN ESTEVAN, CIRAD; JUDITH HIRSCH, CIRAD; ROSANGELA BEVITORI, CNPAF; CORINNE MICHEL, CIRAD; JEAN-BENOIT MOREL, CIRAD. |
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Título: |
Building a mutant resource for the study of disease resistance in rice reveals the pivotal role of several genes involved in defence. |
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Ano de publicação: |
2011 |
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Fonte/Imprenta: |
Molecular Plant Pathology, 2011. |
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DOI: |
10.1111/j.1364-3703.2011.00731.x |
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Idioma: |
Inglês |
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Conteúdo: |
In Arabidopsis, gene expression studies and analysis of knock-out (KO) mutants have been instrumental in building an integrated view of disease resistance pathways. Such an integrated view is missing in rice where shared tools, including genes and mutants, must be assembled. This work provides a tool kit consisting of informative genes for the molecular characterization of the interaction of rice with the major fungal pathogen Magnaporthe oryzae. It also provides for a set of eight KO mutants, all in the same genotypic background, in genes involved in key steps of the rice disease resistance pathway. This study demonstrates the involvement of three genes, OsWRKY28, rTGA2.1 and NH1, in the establishment of full basal resistance to rice blast. The transcription factor OsWRKY28 acts as a negative regulator of basal resistance, like the orthologous barley gene. Finally, the up-regulation of the negative regulator OsWRKY28 and the down-regulation of PR gene expression early during M. oryzae infection suggest that the fungus possesses infection mechanisms that enable it to block host defences. |
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Thesagro: |
Arroz; Brusone; Mutante; Oryza sativa. |
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Thesaurus Nal: |
Blast disease; Knockout mutants; Magnaporthe oryzae; Rice. |
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Categoria do assunto: |
S Ciências Biológicas |
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Marc: |
LEADER 01992naa a2200325 a 4500
001 1899626
005 2011-12-12
008 2011 bl uuuu u00u1 u #d
024 7 $a10.1111/j.1364-3703.2011.00731.x$2DOI
100 1 $aDELTEIL, A.
245 $aBuilding a mutant resource for the study of disease resistance in rice reveals the pivotal role of several genes involved in defence.
260 $c2011
520 $aIn Arabidopsis, gene expression studies and analysis of knock-out (KO) mutants have been instrumental in building an integrated view of disease resistance pathways. Such an integrated view is missing in rice where shared tools, including genes and mutants, must be assembled. This work provides a tool kit consisting of informative genes for the molecular characterization of the interaction of rice with the major fungal pathogen Magnaporthe oryzae. It also provides for a set of eight KO mutants, all in the same genotypic background, in genes involved in key steps of the rice disease resistance pathway. This study demonstrates the involvement of three genes, OsWRKY28, rTGA2.1 and NH1, in the establishment of full basal resistance to rice blast. The transcription factor OsWRKY28 acts as a negative regulator of basal resistance, like the orthologous barley gene. Finally, the up-regulation of the negative regulator OsWRKY28 and the down-regulation of PR gene expression early during M. oryzae infection suggest that the fungus possesses infection mechanisms that enable it to block host defences.
650 $aBlast disease
650 $aKnockout mutants
650 $aMagnaporthe oryzae
650 $aRice
650 $aArroz
650 $aBrusone
650 $aMutante
650 $aOryza sativa
700 1 $aBLEIN, M.
700 1 $aFAIVRE-RAMPANT, O.
700 1 $aGUELLIM, A.
700 1 $aESTEVAN, J.
700 1 $aHIRSCH, J.
700 1 $aBEVITORI, R.
700 1 $aMICHEL, C.
700 1 $aMOREL, J.-B.
773 $tMolecular Plant Pathology, 2011.
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