Geographical description and molecular characterization of genetic structure and diversity using a 6K SNP array in Turkish oat germplasm

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dc.contributor.authorCömertpay, Gönül
dc.contributor.authorHabyarimana, Ephrem
dc.contributor.authorBaloch, Faheem Shehzad
dc.contributor.authorGüngör, Hüseyin
dc.contributor.authorDokuyucu, Tevrican
dc.contributor.authorAkkaya, Aydın
dc.contributor.authorDumlupınar, Ziya
dc.date.accessioned2020-05-01T12:10:14Z
dc.date.available2020-05-01T12:10:14Z
dc.date.issued2019
dc.departmentDÜ, Ziraat Fakültesi, Tarla Bitkileri Bölümüen_US
dc.descriptionDUMLUPINAR, Ziya/0000-0003-3119-6926; Habyarimana, Ephrem/0000-0003-2731-2744; Gungor, Huseyin/0000-0001-6708-6337; BALOCH, Faheem Shehzad/0000-0002-7470-0080en_US
dc.descriptionWOS: 000458156000002en_US
dc.description.abstractCultivated oat (Avena sativa L. and Avena byzantina Koch) is native to Turkey, a secondary center of oat diversity. Oat breeding has received less attention relative to other cereals. In this work, the diversity of oat landraces collected from different regions of Turkey as well as obtained from different gene banks was investigated using 3293 high quality SNP markers. Expected heterozygosity (Hs), observed heterozygosity (Ho), inbreeding coefficient (Fis), and overall genetic diversity (Ht) of the oat gene pool were 0.22, 0.01, 0.96, and 0.38, respectively. The value of the genetic differentiation (Fst) metric for genetic structure was 0.41 and indicated that kinship was more of a determinant for population structure than the geographical provenance. The populations from different geographical regions shared a great proportion of genetic diversity. Clustering using model-based STRUCTURE, principal coordinates (PCoA), and neighbour-joining (NJ) algorithms were mostly comparable except for five discrepantly clustered accessions in NJ and PCoA relative to STRUCTURE, which can be attributed to the relatively reduced resolution power in the NJ and PCoA approaches. SNP markers partitioned all oat accessions into four main groups (A, B, C, and D) with 10 unclassified accessions. Some landraces were identical based on genetic distance and can represent duplications in gene banks. The data presented in this work represent the initial results on genetic diversity as investigated in Turkish oat, and are an important resource for systematicians, geneticists, and breeders interested in Turkish oat germplasm. These results are expected to open new opportunities for further studies in oat genomics and cultivar development.en_US
dc.identifier.doi10.1139/cjps-2017-0293en_US
dc.identifier.endpage21en_US
dc.identifier.issn0008-4220
dc.identifier.issn1918-1833
dc.identifier.issue1en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage12en_US
dc.identifier.urihttps://doi.org/10.1139/cjps-2017-0293
dc.identifier.urihttps://hdl.handle.net/20.500.12684/6096
dc.identifier.volume99en_US
dc.identifier.wosWOS:000458156000002en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherCanadian Science Publishing, Nrc Research Pressen_US
dc.relation.ispartofCanadian Journal Of Plant Scienceen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectoaten_US
dc.subjectlandracesen_US
dc.subjectSNPen_US
dc.subjectdiversityen_US
dc.subjectpopulation structureen_US
dc.titleGeographical description and molecular characterization of genetic structure and diversity using a 6K SNP array in Turkish oat germplasmen_US
dc.typeArticleen_US

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