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    Genetic diversity and population structure of some Nigerian accessions of Bambara groundnut (Vigna subterranea (L.) Verdc.,) using DArT SNP markers

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    Journal Article (2.513Mb)
    Date
    2022-09-24
    Author
    Osundare, O.T.
    Akinyele, B.O.
    Odiyi, A.C.
    Paliwal, R.
    Oyatomi, O.
    Abberton, M.
    Type
    Journal Article
    Review Status
    Peer Review
    Target Audience
    Scientists
    Metadata
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    Abstract/Description
    Bambara groundnut is one of the crops with inadequate molecular research to show its full potentials. Previous studies showed morphological diversity with inadequate information to confirm genetic variations. In the quest to reveal the genetic potentials, deoxyribonucleic acid (DNA) of the selected accessions was extracted through leaf samples at 3 weeks old, using Dellaporta Miniprep for Plant DNA Isolation procedure. The high quality DNA was sequenced using Diversity Arrays Technology (DArT) markers to unlock diversity among Bambara groundnut of Nigerian origin. Cluster analysis (neighbor-joining clustering) of the single nucleotide polymorphisms (SNP’s) were used to generate sub-population to show relatedness and differences. Seven sub-populations were generated with 5927 (50.13%) high quality DArT markers out of the 11,821 SNPs generated. This revealed high genetic diversity existed among the selected Bambara groundnut accessions in Nigeria. This also revealed that DArT markers were highly efficient in classifying the accessions based on molecular expressions. This study also identified markers responsible for genetic variation that could facilitate the characterization of larger collections for further utilization of genetic resources and most importantly Bambara groundnut for the purpose of crop improvement.
    https://dx.doi.org/10.1007/s10722-022-01472-w
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/7995
    IITA Authors ORCID
    Michael Abbertonhttps://orcid.org/0000-0003-2555-9591
    Digital Object Identifier (DOI)
    https://dx.doi.org/10.1007/s10722-022-01472-w
    Research Themes
    Biotech and Plant Breeding
    IITA Subjects
    Agronomy; Biodiversity; Food Security; Grain Legumes; Plant Breeding; Plant Production
    Agrovoc Terms
    Diversity; Genetic Markers; Bambara Groundnuts; Food Security; Nigeria
    Regions
    Africa; West Africa
    Countries
    Nigeria
    Hubs
    Headquarters and Western Africa Hub
    Journals
    Genetic Resources and Crop Evolution
    Collections
    • Journal and Journal Articles4842
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