A classification of Pepper yellow mosaic virus isolates into pathotypes

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dc.contributor.authorMoura, Monika Fecury [UNESP]
dc.contributor.authorMituti, Tatiana [UNESP]
dc.contributor.authorMarubayashi, Julio M. [UNESP]
dc.contributor.authorGioria, Ricardo
dc.contributor.authorKobori, Romulo F.
dc.contributor.authorPavan, Marcelo Agenor [UNESP]
dc.contributor.authorSilva, Norberto da [UNESP]
dc.contributor.authorKrause-Sakate, Renate [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionSakata Seed Sudamer
dc.date.accessioned2014-05-20T13:20:08Z
dc.date.available2014-05-20T13:20:08Z
dc.date.issued2011-12-01
dc.description.abstractPepper yellow mosaic virus (PepYMV) is the most important potyvirus infecting sweet pepper in Brazil. In this study, twenty isolates of PepYMV were obtained from commercial sweet pepper crops. To confirm virus identity, the coat protein gene was completely sequenced for eleven of these isolates, and partially sequenced for the other nine isolates. The amino acid identities obtained were above 93% when compared with the sequence of a characterized PepYMV isolate (AF348610). Extracts of Nicotiana tabacum cv. TNN plants infected with the different isolates were used to inoculate the differential series of Capsicum spp cultivars containing the genes pvr2(1), pvr2(2), pvr2(3), pvr2(4), and Pvr4. Using the same criteria established for Potato virus Y (PVY), fourteen isolates of PepYMV could be classified as known pathotypes described for PVY, that is: 1.2 (2 isolates), 1.3 (6) and 1.2.3 (6). The remaining six isolates, 1.3 (2) and 1.2.3 (4) could not be classified into the typical pathotypes of PVY because they were also virulent on Serrano Criollo de Morellos-334 (C.M 334) which carries the pvr2(3) and Pvr4 genes. To classify the PepYMV into pathotypes and counter the biological diversity found in this species we propose the utilization of 2(x) for the ability to overcome the correspondent allele of the pvr2 locus and 4 for the capacity to break down the Pvr4 gene. Using this criterion we could classify the PepYMV into five pathotypes: 2(1).2(2); 2(1).2(3); 2(1).2(2).2(3); 2(1).2(3). 4 and 2(1).2(2).2(3). 4.en
dc.description.affiliationUNESP, Dept Prod Vegetal, Setor Defesa Fitossanit, BR-18603970 Botucatu, SP, Brazil
dc.description.affiliationSakata Seed Sudamer, Braganca Paulista, SP, Brazil
dc.description.affiliationUnespUNESP, Dept Prod Vegetal, Setor Defesa Fitossanit, BR-18603970 Botucatu, SP, Brazil
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.format.extent549-552
dc.identifierhttp://dx.doi.org/10.1007/s10658-011-9836-9
dc.identifier.citationEuropean Journal of Plant Pathology. Dordrecht: Springer, v. 131, n. 4, p. 549-552, 2011.
dc.identifier.doi10.1007/s10658-011-9836-9
dc.identifier.issn0929-1873
dc.identifier.lattes9475664563362949
dc.identifier.lattes5227280587857123
dc.identifier.urihttp://hdl.handle.net/11449/5509
dc.identifier.wosWOS:000297555200001
dc.language.isoeng
dc.publisherSpringer
dc.relation.ispartofEuropean Journal of Plant Pathology
dc.relation.ispartofjcr1.466
dc.relation.ispartofsjr0,721
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectPotyvirusen
dc.subjectResistanceen
dc.subjectSweet pepperen
dc.titleA classification of Pepper yellow mosaic virus isolates into pathotypesen
dc.typeTrabalho apresentado em evento
dcterms.licensehttp://www.springer.com/open+access/authors+rights?SGWID=0-176704-12-683201-0
dcterms.rightsHolderSpringer
unesp.author.lattes9475664563362949
unesp.author.lattes5227280587857123
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Ciências Agronômicas, Botucatupt
unesp.departmentProdução Vegetalpt
unesp.departmentProdução e Melhoramento Vegetal - FCApt

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Botucatu - FCA - Faculdade de Ciências Agronômicas