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Nuclear and mitochondrial DNA polymorphisms suggest introgression contributed to garden beet (Beta vulgaris L.) domestication

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This item is published at the following URL: https://doi.org/10.1007/s10722-021-01227-z

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Title: Nuclear and mitochondrial DNA polymorphisms suggest introgression contributed to garden beet (Beta vulgaris L.) domestication
Authors: Kanomata, Yohei Browse this author
Hayakawa, Ryo Browse this author
Kashikura, Jun Browse this author
Satoh, Kosuke Browse this author
Matsuhira, Hiroaki Browse this author
Kuroda, Yosuke Browse this author
Kitazaki, Kazuyoshi Browse this author →KAKEN DB
Kubo, Tomohiko Browse this author →KAKEN DB
Keywords: Domestication
Garden beet
Introgression
Mitoype
Population structure
Issue Date: 15-Jun-2021
Publisher: Springer
Journal Title: Genetic Resources and Crop Evolution
Publisher DOI: 10.1007/s10722-021-01227-z
Abstract: Garden beet is the ancestor of fodder beets and sugar beets, but the origin of garden beet’s genetic potential to evolve novel beet types is debatable. In this study, we analyzed nuclear and mitochondrial DNAs in 47 garden beet accessions using DNA markers. Multiple analytical methods revealed a unified population structure with subpopulations evi- dent in the European and Caucasian accessions. We diagnosed mitochondrial genome types (mitotypes) based on mitochondrial minisatellite loci in 541 plants from the 47 accessions, revealing a major mitotype and 11 minor mitotypes in garden beets from Europe and the Caucasus region that were also present in endemic leaf beets and wild beets. Our data indicate that European and Caucasian garden beets include genetically differentiated subpopulations. Provided that the occurrence of minor mitotypes is a vestige from crosses with leaf beets and wild beets, the notion that introgression contributed to increasing the genet ic diversity in the garden beet gene pool is substantiated at the molecular level.
Description: メタデータ先行公開
Rights: This is a post-peer-review, pre-copyedit version of an article published in Genetic Resources and Crop Evolution. The final authenticated version is available online at: http://dx.doi.org/10.1007/s10722-021-01227-z
Relation: SharedIt link https://rdcu.be/cmbJM
Type: article (author version)
URI: http://hdl.handle.net/2115/81849
Appears in Collections:農学院・農学研究院 (Graduate School of Agriculture / Faculty of Agriculture) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 久保 友彦

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