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  1. 010 学術雑誌論文
  2. 宅野, 将平 / TAKUNO, Shohei

Assessment of genetic diversity of accessions in Brassicaceae genetic resources by frequency distribution analysis of S haplotypes

https://ir.soken.ac.jp/records/4610
https://ir.soken.ac.jp/records/4610
a75751c0-8aed-4489-b1a9-7c8a604b77e4
Item type 学術雑誌論文 / Journal Article(1)
公開日 2014-06-05
タイトル
タイトル Assessment of genetic diversity of accessions in Brassicaceae genetic resources by frequency distribution analysis of S haplotypes
タイトル
言語 en
タイトル Assessment of genetic diversity of accessions in Brassicaceae genetic resources by frequency distribution analysis of S haplotypes
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ journal article
アクセス権
アクセス権 metadata only access
アクセス権URI http://purl.org/coar/access_right/c_14cb
著者 TAKUNO, Shohei

× TAKUNO, Shohei

WEKO 768

TAKUNO, Shohei

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OIKAWA, Eriko

× OIKAWA, Eriko

WEKO 2957

OIKAWA, Eriko

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KITASHIBA, Hiroyasu

× KITASHIBA, Hiroyasu

WEKO 2958

KITASHIBA, Hiroyasu

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NISHIO, Takeshi

× NISHIO, Takeshi

WEKO 2710

NISHIO, Takeshi

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著者別名 宅野, 将平

× 宅野, 将平

WEKO 2937

宅野, 将平

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抄録
内容記述タイプ Abstract
内容記述 Plant genetic resources are important sources of genetic variation for improving crop varieties as breeding materials. Conservation of such resources of allogamous species requires maintenance of the genetic diversity within each accession to avoid inbreeding depression and loss of rare alleles. For assessment of genetic diversity in the self-incompatibility locus (S locus), which is critically involved in the chance of mating, we developed a dot-blot genotyping method for self-incompatibility (S) haplotypes and applied it to indigenous, miscellaneous landraces of Brassica rapa, provided by the IPK Gene Bank (Gatersleben, Germany) and the Tohoku University Brassica Seed Bank (Sendai, Japan), in which landraces are maintained using different population sizes. This method effectively determined S genotypes of more than 500 individuals from the focal landraces. Although our results suggest that these landraces might possess sufficient numbers of S haplotypes, the strong reduction of frequencies of recessive S haplotypes occurred, probably owing to genetic drift. Based on these results, we herein discuss an appropriate way to conserve genetic diversity of allogamous plant resources in a gene bank.
書誌情報 Theoretical and Applied Genetics
en : Theoretical and Applied Genetics

巻 120, 号 6, p. 1129-1138, 発行日 2010-04
出版者
出版者 SpringerLink
ISSN
収録物識別子タイプ ISSN
収録物識別子 0040-5752
DOI
識別子タイプ DOI
関連識別子 https://doi.org/10.1007/s00122-009-1240-x
関連名称 10.1007/s00122-009-1240-x
権利
権利情報 SpringerLink(The original publication is available at www.springerlink.com)
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