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  1. 010 学術雑誌論文
  2. 颯田, 葉子 / SATTA, Yoko

Ancestral population sizes and species divergence times in the primate lineage on the basis of intron and BAC end sequences

https://ir.soken.ac.jp/records/3670
https://ir.soken.ac.jp/records/3670
baa90936-07f3-4424-a219-f3da4ea15c66
Item type 学術雑誌論文 / Journal Article(1)
公開日 2013-06-27
タイトル
タイトル Ancestral population sizes and species divergence times in the primate lineage on the basis of intron and BAC end sequences
タイトル
タイトル Ancestral population sizes and species divergence times in the primate lineage on the basis of intron and BAC end sequences
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
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 SATTA, Yoko

× SATTA, Yoko

SATTA, Yoko

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HICKERSON, Michael

× HICKERSON, Michael

HICKERSON, Michael

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WATANABE, Hidemi

× WATANABE, Hidemi

WATANABE, Hidemi

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O’hUigin, Colm

× O’hUigin, Colm

O’hUigin, Colm

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KLEIN, Jan

× KLEIN, Jan

KLEIN, Jan

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著者別名 颯田, 葉子

× 颯田, 葉子

颯田, 葉子

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抄録
内容記述タイプ Abstract
内容記述 The effective sizes of ancestral populations and species divergence times of six primate species (humans, chimpanzees, gorillas, orangutans, and representatives of Old World monkeys and New World monkeys) are estimated by applying the two-species maximum likelihood (ML) method to intron sequences of 20 different loci. Examination of rate heterogeneity of nucleotide substitutions and intragenic recombination identifies five outrageous loci (ODC1, GHR, HBE, INS, and HBG). The estimated ancestral polymorphism ranges from 0.21 to 0.96% at major divergences in primate evolution. One exceptionally low polymorphism occurs when African and Asian apes diverged. However, taking into consideration the possible short generation times in primate ancestors, it is concluded that the ancestral population size in the primate lineage was no smaller than that of extant humans. Furthermore, under the assumption of 6 million years (myr) divergence between humans and chimpanzees, the divergence time of humans from gorillas, orangutans, Old World monkeys, and New World monkeys is estimated as 7.2, 18, 34, and 65 myr ago, respectively, which are generally older than traditional estimates. Beside the intron sequences, three other data sets of orthologous sequences are used between the human and the chimpanzee comparison. The ML application to these data sets including 58,156 random BAC end sequences (BES) shows that the nucleotide substitution rate is as low as 0.6–0.8 × 10−9 per site per year and the extent of ancestral polymorphism is 0.33–0.51%. With such a low substitution rate and short generation time, the relatively high extent of polymorphism suggests a fairly large effective population size in the ancestral lineage common to humans and chimpanzees.
書誌情報 Journal of Molecular Evolution
en : Journal of Molecular Evolution

巻 59, 号 4, p. 478-487, 発行日 2004-10
出版者
出版者 SpringerLink
ISSN
収録物識別子タイプ ISSN
収録物識別子 0022-2844
PubMed番号
識別子タイプ PMID
関連識別子 15638459
DOI
識別子タイプ DOI
関連識別子 http://doi.org/10.1007/s00239-004-2639-2
関連名称 10.1007/s00239-004-2639-2
権利
権利情報 SpringerLink(The original publication is available at www.springerlink.com)
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