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  1. 010 学術雑誌論文
  2. 颯田, 葉子 / SATTA, Yoko
  1. 010 学術雑誌論文
  2. 高畑, 尚之 / TAKAHATA, Naoyuki

The origin and genetic variation of domestic chickens with special reference to junglefowls Gallus g. gallus and G. varius

https://ir.soken.ac.jp/records/3759
https://ir.soken.ac.jp/records/3759
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Item type 学術雑誌論文 / Journal Article(1)
公開日 2013-07-08
タイトル
タイトル The origin and genetic variation of domestic chickens with special reference to junglefowls Gallus g. gallus and G. varius
タイトル
タイトル The origin and genetic variation of domestic chickens with special reference to junglefowls Gallus g. gallus and G. varius
言語 en
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
著者 SAWAI, Hiromi

× SAWAI, Hiromi

SAWAI, Hiromi

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KIM, Hie Lim

× KIM, Hie Lim

KIM, Hie Lim

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KUNO, Kaori

× KUNO, Kaori

KUNO, Kaori

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SUZUKI, Sayaka

× SUZUKI, Sayaka

SUZUKI, Sayaka

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GOTOH, Hideo

× GOTOH, Hideo

GOTOH, Hideo

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TAKADA, Masaru

× TAKADA, Masaru

TAKADA, Masaru

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TAKAHATA, Naoyuki

× TAKAHATA, Naoyuki

TAKAHATA, Naoyuki

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SATTA, Yoko

× SATTA, Yoko

SATTA, Yoko

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AKISHINONOMIYA, Fumihito

× AKISHINONOMIYA, Fumihito

AKISHINONOMIYA, Fumihito

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著者別名 尚之, 高畑

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尚之, 高畑

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内容記述タイプ Abstract
内容記述 It is postulated that chickens (Gallus gallus domesticus) became domesticated from wild junglefowls in Southeast Asia nearly 10,000 years ago. Based on 19 individual samples covering various chicken breeds, red junglefowl (G. g. gallus), and green junglefowl (G. varius), we address the origin of domestic chickens, the relative roles of ancestral polymorphisms and introgression, and the effects of artificial selection on the domestic chicken genome. DNA sequences from 30 introns at 25 nuclear loci are determined for both diploid chromosomes from a majority of samples. The phylogenetic analysis shows that the DNA sequences of chickens, red and green junglefowls formed reciprocally monophyletic clusters. The Markov chain Monte Carlo simulation further reveals that domestic chickens diverged from red junglefowl 58,000±16,000 years ago, well before the archeological dating of domestication, and that their common ancestor in turn diverged from green junglefowl 3.6 million years ago. Several shared haplotypes nonetheless found between green junglefowl and chickens are attributed to recent unidirectional introgression of chickens into green junglefowl. Shared haplotypes are more frequently found between red junglefowl and chickens, which are attributed to both introgression and ancestral polymorphisms. Within each chicken breed, there is an excess of homozygosity, but there is no significant reduction in the nucleotide diversity. Phenotypic modifications of chicken breeds as a result of artificial selection appear to stem from ancestral polymorphisms at a limited number of genetic loci.
書誌情報 PLoS ONE
en : PLoS ONE

巻 5, 号 5, p. Article numbere10639, 発行日 2010
出版者
出版者 Public Library of Science
ISSN
収録物識別子タイプ ISSN
収録物識別子 19326203
DOI
関連タイプ isIdenticalTo
識別子タイプ DOI
関連識別子 https://doi.org/10.1371/journal.pone.0010639
関連名称 10.1371/journal.pone.0010639
権利
権利情報 © 2010 Sawai et al.
関連サイト
識別子タイプ URI
関連識別子 http://www.plos.org/open-access/
関連名称 Copyright
フォーマット
内容記述タイプ Other
内容記述 application/pdf
著者版フラグ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
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