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  1. 010 学術雑誌論文
  2. 高畑, 尚之 / TAKAHATA, Naoyuki

The origin and age of haplochromine fishes in Lake Victoria, East Africa

https://ir.soken.ac.jp/records/3773
https://ir.soken.ac.jp/records/3773
dbf0b380-967b-4f9f-b3e8-3c96733b2d69
Item type 学術雑誌論文 / Journal Article(1)
公開日 2013-07-09
タイトル
タイトル The origin and age of haplochromine fishes in Lake Victoria, East Africa
タイトル
タイトル The origin and age of haplochromine fishes in Lake Victoria, East Africa
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 NAGL, Sandra

× NAGL, Sandra

NAGL, Sandra

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TICHY, Herbert

× TICHY, Herbert

TICHY, Herbert

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MAYER, Werner E

× MAYER, Werner E

MAYER, Werner E

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TAKEZAKI, Naoko

× TAKEZAKI, Naoko

TAKEZAKI, Naoko

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TAKAHATA, Naoyuki

× TAKAHATA, Naoyuki

TAKAHATA, Naoyuki

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KLEIN, Jan

× KLEIN, Jan

KLEIN, Jan

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著者別名 尚之, 高畑

× 尚之, 高畑

尚之, 高畑

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抄録
内容記述タイプ Abstract
内容記述 According to a widely held view, the more than 300 species of haplochromine cichlid fishes in Lake Victoria (LV), East Africa, originated from a single founder species in less than 12,000 years. This view, however, does not follow from the published geological and molecular evidence. The former does indeed suggest that the LV basin dried out less than 15,000 years ago, but it does not provide any information about the species that re-colonized the new lake or that remained in the rivers draining the area. The molecular evidence is inconclusive with respect to the origin of the LV haplochromines because cichlids from critical regions around LV were not adequately sampled; and as far as the age of the LV haplochromines is concerned, it in fact led to an estimate of 250,000-750,000 years old. In the present study, mitochondrial DNA (control region) variation was determined by heteroduplex and sequencing analyses of more than 670 specimens collected at widely distributed East African riverine and lacustrine localities. The analyses revealed the existence of seven haplogroups (I-VII) distinguishable by characteristic substitutions. All endemic LV samples tested fell into one of these haplogroups (V) which, however, was also found to be present at various other localities, both riverine and lacustrine, outside LV. Within this haplogroup, four subgroups (VA through VD) could be distinguished, two of which (VB and VC) were represented in LV and at other localities. The great majority of the LV haplochromine species could be classified as belonging to the VC subgroup, which was found only in LV and in the rivers draining into it. Hence, while the endemic haplochromine species of LV could not have originated from a single founding population, the lake does harbour a large species flock which probably arose in situ.
書誌情報 Proceedings of the Royal Society B: Biological Sciences
en : Proceedings of the Royal Society B: Biological Sciences

巻 267, 号 1447, p. 1049-1061, 発行日 2000-05-22
出版者
出版者 The Royal Society Publishing
ISSN
収録物識別子タイプ ISSN
収録物識別子 09628452
PubMed番号
識別子タイプ PMID
関連識別子 10874756
DOI
識別子タイプ DOI
関連識別子 https://doi.org/10.1098/rspb.2000.1109
関連名称 10.1098/rspb.2000.1109
権利
権利情報 © The Royal Society
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