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dc.contributor.authorNobile, Paula Macedo-
dc.contributor.authorLopes, Catalina Romero-
dc.contributor.authorBarsalobres-Cavallari, Carla-
dc.contributor.authorQuecim, Vera-
dc.contributor.authorCoutinho, Luiz L.-
dc.contributor.authorHoshino, Andrea Akemi-
dc.contributor.authorGimenes, Marcos A.-
dc.date.accessioned2014-05-20T13:50:24Z-
dc.date.accessioned2016-10-25T17:02:31Z-
dc.date.available2014-05-20T13:50:24Z-
dc.date.available2016-10-25T17:02:31Z-
dc.date.issued2008-01-01-
dc.identifierhttp://dx.doi.org/10.1016/j.plantsci.2007.09.009-
dc.identifier.citationPlant Science. Clare: Elsevier B.V., v. 174, n. 1, p. 78-87, 2008.-
dc.identifier.issn0168-9452-
dc.identifier.urihttp://hdl.handle.net/11449/17990-
dc.identifier.urihttp://acervodigital.unesp.br/handle/11449/17990-
dc.description.abstractLate leaf spot (LLS), caused by the fun.-us Cercosporidium personatum, is one of the most severe diseases in peanut (Arachis hypogaea). The vast majority of commercial cultivars do not exhibit satisfactory levels of resistance to the pathogen, whereas non-commercial genotypes cv. 850 and cv. 909 are resistant to LLS and show symptoms similar to hypersensitive response (HR) lesions. In the present study, we investigated the molecular components of the initial stages of the resistance by gene expression profiling using suppression subtractive hybridization and differential screening of cDNA macroarray techniques. Gene expression analyses have allowed us to identify more than 700 peanut unique expressed sequence taus (EST) involved in several aspects of the early stages of C. personatum pathogenesis, such as components of defense signaling pathways, gene expression regulators, cell cycle controlling genes and components of the biosynthesis of transducer and antimicrobial compounds. The most significantly induced gene corresponds to a novel O'-methyltranferase, suggesting its involvement in the production of local lesions in C. personatum-resistant A. hypogea genotypes. Taken together, our results contribute to elucidate the defense strategies of peanut and provide the framework for the generation of pathogen-resistant peanut cultivars. (C) 2007 Elsevier B.V. All rights reserved.en
dc.format.extent78-87-
dc.language.isoeng-
dc.publisherElsevier B.V.-
dc.sourceWeb of Science-
dc.subjectpeanuten
dc.subjectlate leaf spoten
dc.subjecthost defense responseen
dc.subjectO'-methyltransferaseen
dc.subjectsuppression subtractive hybridization (SSH)en
dc.titlePeanut genes identified during initial phase of Cercosporidium personatum infectionen
dc.typeoutro-
dc.contributor.institutionInstituto Agronômico (IAC)-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.contributor.institutionEmpresa Brasileira de Pesquisa Agropecuária (EMBRAPA)-
dc.contributor.institutionUniversidade de São Paulo (USP)-
dc.description.affiliationInstituto Agronômico de Campinas, Ctr Genet, RGV, BR-13012970 Campinas, SP, Brazil-
dc.description.affiliationUniv Estadual Paulista, Inst Biociencias, Dept Genet, BR-18618000 Botucatu, SP, Brazil-
dc.description.affiliationEmpresa Brasileira de Pesquisa Agropecuária (EMBRAPA) Recursos Genet & Biotecnol, Brasilia, DF, Brazil-
dc.description.affiliationESALQ USP, Lab Biotechnol Anim, Dept Zootecnia, BR-13418900 Piracicaba, SP, Brazil-
dc.description.affiliationUnespUniv Estadual Paulista, Inst Biociencias, Dept Genet, BR-18618000 Botucatu, SP, Brazil-
dc.identifier.doi10.1016/j.plantsci.2007.09.009-
dc.identifier.wosWOS:000251596900010-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofPlant Science-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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