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QTL mapping including codominant SNP markers with ploidy level information in a sugarcane progeny

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dc.contributor.authorCosta, E. A.
dc.contributor.authorAnoni, C. O.
dc.contributor.authorMancini, M. C.
dc.contributor.authorSantos, F. R.C.
dc.contributor.authorMarconi, T. G.
dc.contributor.authorGazaffi, R.
dc.contributor.authorPastina, M. M.
dc.contributor.authorPerecin, D. [UNESP]
dc.contributor.authorMollinari, M.
dc.contributor.authorXavier, M. A.
dc.contributor.authorPinto, L. R.
dc.contributor.authorSouza, A. P.
dc.contributor.authorGarcia, A. A.F.
dc.contributor.institutionUniversidade Estadual de Campinas (UNICAMP)
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.contributor.institutionIAC/Apta
dc.contributor.institutionUniversidade Federal de São Carlos (UFSCar)
dc.contributor.institutionEmpresa Brasileira de Pesquisa Agropecuária (EMBRAPA)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade Federal de São Paulo (UNIFESP)
dc.contributor.institutionAgrilife Research and Extension Center
dc.contributor.institutionBioinformatics Research Center
dc.date.accessioned2018-12-11T16:43:15Z
dc.date.available2018-12-11T16:43:15Z
dc.date.issued2016-09-01
dc.description.abstractQuantitative trait locus (QTL) mapping contributes to sugarcane (Saccharum spp.) breeding programs by providing information about the genetic effects, positioning and number of QTLs. Combined with marker-assisted selection, it can help breeders reduce the time required to develop new sugarcane varieties. We performed a QTL mapping study for important agronomic traits in sugarcane using the composite interval mapping method for outcrossed species. A new approach allowing the 1:2:1 segregation ratio and different ploidy levels for SNP markers was used to construct an integrated genetic linkage map that also includes AFLP and SSR markers. Were used 688 molecular markers with 1:1, 3:1 and 1:2:1 segregation ratios. A total of 187 individuals from a bi-parental cross (IACSP95-3018 and IACSP93-3046) were assayed across multiple harvests from two locations. The evaluated yield components included stalk diameter (SD), stalk weight (SW), stalk height (SH), fiber percentage (Fiber), sucrose content (Pol) and soluble solid content (Brix). The genetic linkage map covered 4512.6 cM and had 118 linkage groups corresponding to 16 putative homology groups. A total of 25 QTL were detected for SD (six QTL), SW (five QTL), SH (four QTL), Fiber (five QTL), Pol (two QTL) and Brix (three QTL). The percentage of phenotypic variation explained by each QTL ranged from 0.069 to 3.87 %, with a low individual effect because of the high ploidy level. The mapping model provided estimates of the segregation ratio of each mapped QTL (1:2:1, 3:1 or 1:1). Our results provide information about the genetic organization of the sugarcane genome and constitute the first step toward a better dissection of complex traits.en
dc.description.affiliationCentro de Biologia Molecular e Engenharia Genética (CBMEG) Departamento de Genética e Evolução Universidade Estadual de Campinas (UNICAMP), Cidade Universitária ZeferinoVaz, CP 6010
dc.description.affiliationDepartamento de Genética Escola Superior de Agricultura Luiz de Queiroz (ESALQ) Universidade de São Paulo (USP), CP 83
dc.description.affiliationCentro Avançado da Pesquisa Tecnológica do Agronegócio de Cana IAC/Apta, CP 206
dc.description.affiliationCentro de Ciências Agrárias Universidade Federal de São Carlos, Rodovia Anhanguera, Km 174
dc.description.affiliationNúcleo de Biologia Aplicada Embrapa Milho e Sorgo, Rodovia MG 424, Km 65
dc.description.affiliationUniversidade Estadual Paulista (UNESP) Departamento de Ciências Exatas
dc.description.affiliationDepartamento de Biologia Vegetal Instituto de Biologia Universidade Estadual de Campinas
dc.description.affiliationFederal de São Paulo (UNIFESP) unidade Parque Tecnológico Avenida Cesare Mansueto Giulio Lattes, 1201, Eugênio de Mello
dc.description.affiliationTexas A&M University System Agrilife Research and Extension Center, 2415 E. Hwy 83
dc.description.affiliationNorth Carolina State University Bioinformatics Research Center, 332 Ricks Hall,
dc.description.affiliationUnespUniversidade Estadual Paulista (UNESP) Departamento de Ciências Exatas
dc.identifierhttp://dx.doi.org/10.1007/s10681-016-1746-7
dc.identifier.citationEuphytica, v. 211, n. 1, 2016.
dc.identifier.doi10.1007/s10681-016-1746-7
dc.identifier.file2-s2.0-84978900507.pdf
dc.identifier.issn1573-5060
dc.identifier.issn0014-2336
dc.identifier.scopus2-s2.0-84978900507
dc.identifier.urihttp://hdl.handle.net/11449/168829
dc.language.isoeng
dc.relation.ispartofEuphytica
dc.relation.ispartofsjr0,742
dc.relation.ispartofsjr0,742
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjectIntegrated map
dc.subjectLinkage analysis
dc.subjectMultiple dosage
dc.subjectPolyploidy
dc.titleQTL mapping including codominant SNP markers with ploidy level information in a sugarcane progenyen
dc.typeResenha
dspace.entity.typePublication

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