Novel centromeric repetitive DNA elements reveal karyotype dynamics in polyploid sainfoin (Onobrychis viciifolia)

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dc.authoridKARA OZTURK, Sevim Dondu/0000-0001-7522-0575
dc.authoridTek, Ahmet L./0000-0002-3292-5142
dc.contributor.authorOzturk, Sevim D. Kara
dc.contributor.authorTek, Ahmet L.
dc.date.accessioned2024-11-07T13:24:07Z
dc.date.available2024-11-07T13:24:07Z
dc.date.issued2024
dc.departmentNiğde Ömer Halisdemir Üniversitesi
dc.description.abstractPolyploidy is a common feature in eukaryotes with one of paramount consequences leading to better environmental adaptation. Heterochromatin is often located at telomeres and centromeres and contains repetitive DNA sequences. Sainfoin (Onobrychis viciifolia) is an important perennial forage legume for sustainable agriculture. However, there are only a few studies on the sainfoin genome and chromosomes. In this study, novel tandem repetitive DNA sequences of the sainfoin genome (OnVi180, OnVi169, OnVi176 and OnVidimer) were characterized using bioinformatics, molecular and cytogenetic approaches. The OnVi180 and OnVi169 elements colocalized within functional centromeres. The OnVi176 and OnVidimer elements were localized in centromeric, subtelomeric and interstitial regions. We constructed a sainfoin karyotype that distinguishes the seven basic chromosome groups. Our study provides the first detailed description of heterochromatin and chromosome structure of sainfoin and proposes an origin of heterozygous ancestral genomes, possibly from the same ancestral diploid species, not necessarily from different species, or for chromosome rearrangements after polyploidy. Overall, we discuss our novel and complementary findings in a polyploid crop with unique and complex chromosomal features.
dc.description.sponsorshipScientific and Technological Research Council of Turkey (TUBITAK) [118Z589]; European Cooperation in Science and Technology for COST Action CA16212-INDEPTH; Turkish Council of Higher Education for Graduate School; Ayhan Sahenk Foundation for Graduate School Scholarship
dc.description.sponsorshipThe funding has been acknowledged from the following institutions: The Scientific and Technological Research Council of Turkey (TUBITAK) Project ID 118Z589; European Cooperation in Science and Technology for COST Action CA16212-INDEPTH; Turkish Council of Higher Education for Graduate School 100/2000 YOEK Program and Ayhan Sahenk Foundation for Graduate School Scholarship.
dc.identifier.doi10.1007/s00412-024-00824-y
dc.identifier.issn0009-5915
dc.identifier.issn1432-0886
dc.identifier.pmid39269484
dc.identifier.scopus2-s2.0-85204148102
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.1007/s00412-024-00824-y
dc.identifier.urihttps://hdl.handle.net/11480/13932
dc.identifier.wosWOS:001312010400001
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherSpringer
dc.relation.ispartofChromosoma
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_20241106
dc.subjectOnobrychis viciifolia
dc.subjectSainfoin
dc.subjectLegume
dc.subjectHeterochromatin
dc.subjectPolyploid
dc.subjectRepetitive DNA
dc.subjectSustainable agriculture
dc.titleNovel centromeric repetitive DNA elements reveal karyotype dynamics in polyploid sainfoin (Onobrychis viciifolia)
dc.typeArticle

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