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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

Contribution of homoplasy and of ancestral polymorphism to the evolution of genes in anthropoid primates

https://ir.soken.ac.jp/records/3748
https://ir.soken.ac.jp/records/3748
9f266b16-f3b7-4368-8473-0f278e105985
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 Contribution of homoplasy and of ancestral polymorphism to the evolution of genes in anthropoid primates
タイトル
言語 en
タイトル Contribution of homoplasy and of ancestral polymorphism to the evolution of genes in anthropoid primates
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 O'HUIGIN, Colm

× O'HUIGIN, Colm

WEKO 1578

O'HUIGIN, Colm

Search repository
SATTA, Yoko

× SATTA, Yoko

WEKO 357

SATTA, Yoko

Search repository
TAKAHATA, Naoyuki

× TAKAHATA, Naoyuki

WEKO 778

TAKAHATA, Naoyuki

Search repository
KLEIN, Jan

× KLEIN, Jan

WEKO 1552

KLEIN, Jan

Search repository
著者別名 尚之, 高畑

× 尚之, 高畑

WEKO 1577
NRID 1000030124217
e-Rad 30124217

尚之, 高畑

Search repository
抄録
内容記述タイプ Abstract
内容記述 Molecular phylogenies of lineages that split from one another in short succession are often difficult to resolve because different loci and different sites within the same locus yield incongruent relationships. The incongruity is commonly attributed to two causes: differential assortment of ancestral polymorphisms and homoplasy. To assess the relative contribution of these two causes, sequences of 57 segments from 51 loci in six primate lineages (human, chimpanzee, gorilla, orangutan, macaque, and tamarin, abbreviated as H, C, G, O, M, and T, respectively) were subjected to "partitioning" analysis, in which phylogenetically informative sites were identified in all 15 pairwise comparisons of each of the 57 segments and tallied for their support or lack thereof for each of the theoretically possible phylogenies. The six lineages include one of the best known cases of a difficult-to-resolve phylogeny: the trichotomy (H, C, G), in which the three lineages may have diverged from each other within a short period of time. In this period many of the ancestral polymorphisms apparently persisted and yielded phylogenetically incongruent signals. By contrast, no ancestral polymorphism is expected to have survived during the interval separating the divergences of the O, M, and T lineages from the ancestor of the (H, C, G) group. Any phylogenetic incompatibilities at sites in the O, M, and T lineages relative to the (H, C, G) group are therefore presumably the result of homoplasy. The frequency of homoplasy estimated in this manner is unexpectedly high: 12% for the (H, C, G) clade and 19% for the (H, C, G, O) clade. At least three-quarters of the 48% incompatibility observed in the (H, C) clade is attributable to the sorting out of ancestral polymorphisms coupled with intragenic recombination. Possible reasons for this high level of homoplasy in the O, M, and T lineages are discussed, and a computer simulation has been carried out to produce a model explaining the observed data.
書誌情報 Molecular Biology and Evolution
en : Molecular Biology and Evolution

巻 19, 号 9, p. 1501-1513, 発行日 2002-09-01
出版者
出版者 Oxford University Press
ISSN
収録物識別子タイプ ISSN
収録物識別子 07374038
PubMed番号
識別子タイプ PMID
関連識別子 12200478
DOI
識別子タイプ DOI
関連識別子 https://doi.org/10.1093/oxfordjournals.molbev.a004213
関連名称 10.1093/oxfordjournals.molbev.a004213
権利
権利情報 © 2013 Society for Molecular Biology and Evolution
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