Molecular and Pathogenic Diversity Among Brazilian Isolates of Xanthomonas albilineans Assessed with SSR Marker Loci

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dc.contributor.authorTardiani, Ana C. [UNESP]
dc.contributor.authorPerecin, Dilermando [UNESP]
dc.contributor.authorPeixoto-Junior, Rafael F.
dc.contributor.authorSanguino, Alvaro
dc.contributor.authorLandell, Marcos M. G.
dc.contributor.authorBeriam, Luis O.
dc.contributor.authorNunes, Daniel S.
dc.contributor.authorCamargo, Luis E. A.
dc.contributor.authorCreste, Silvana
dc.contributor.institutionInst Agron
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionInst Biol
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.date.accessioned2014-12-03T13:07:02Z
dc.date.available2014-12-03T13:07:02Z
dc.date.issued2014-04-01
dc.description.abstractLeaf scald is one of the most important diseases of sugarcane in Brazil. Despite its importance, little is known about the genetic and pathogenic variability of its causal agent, Xanthomonas albilineans. The genetic diversity of 44 X. albilineans isolates from diverse geographic regions of Brazil was assessed using 15 newly developed short sequence repeat (SSR) loci designed from the genome sequence of X. albilineans strain GPE PC73. In addition, the aggressiveness of each isolate was evaluated by inoculating on a susceptible sugarcane cultivar and scoring the disease severity. Of the 15 SSR loci, 12 were polymorphic and produced 54 polymorphic alleles. The average number of polymorphic alleles per locus was 4.5, and ranged from 2 to 12 alleles. Phenetic analysis based on Nei's unbiased genetic distance, clustered the isolates into two major groups. Group I included 32 isolates from all four geographic regions studied, whereas group II included 9 isolates from two regions. Three isolates did not cluster within these groups. Analysis of disease severity data also revealed variability in aggressiveness among isolates but no correlation could be established with either SSR haplotypes or phenetic groups. Isolates with identical haplotypes differed in aggressiveness and vice versa. However, single marker-trait analysis revealed two markers associated with this trait.en
dc.description.affiliationInst Agron, Ctr Cana, Ribeirao Preto, SP, Brazil
dc.description.affiliationUniv Estadual Paulista UNESP, BR-14884900 Jaboticabal, SP, Brazil
dc.description.affiliationInst Biol, Lab Bacteriol Vegetal CEIB, BR-13001970 Campinas, SP, Brazil
dc.description.affiliationUniv Sao Paulo, Dept Fitopatol & Nematol, Escola Super Agr Luiz de Queiroz, BR-13418900 Piracicaba, SP, Brazil
dc.description.affiliationUnespUniv Estadual Paulista UNESP, BR-14884900 Jaboticabal, SP, Brazil
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipIdFAPESP: 08/56146-5
dc.description.sponsorshipIdCNPq: 134592/2010-7
dc.format.extent540-546
dc.identifierhttp://dx.doi.org/10.1094/PDIS-07-13-0762-RE
dc.identifier.citationPlant Disease. St Paul: Amer Phytopathological Soc, v. 98, n. 4, p. 540-546, 2014.
dc.identifier.doi10.1094/PDIS-07-13-0762-RE
dc.identifier.issn0191-2917
dc.identifier.lattes7087372884726559
dc.identifier.urihttp://hdl.handle.net/11449/111189
dc.identifier.wosWOS:000333436700014
dc.language.isoeng
dc.publisherAmer Phytopathological Soc
dc.relation.ispartofPlant Disease
dc.relation.ispartofjcr2.941
dc.relation.ispartofsjr0,575
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.titleMolecular and Pathogenic Diversity Among Brazilian Isolates of Xanthomonas albilineans Assessed with SSR Marker Locien
dc.typeArtigo
dcterms.rightsHolderAmer Phytopathological Soc
unesp.author.lattes7087372884726559
unesp.author.orcid0000-0002-5650-5695[8]
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Ciências Agrárias e Veterinárias, Jaboticabalpt

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