Molecular phylogeny of East Asian moles inferred from the sequence variation of the mitochondrial cytochrome b gene

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Taxonomic analysis has previously revealed that the species of moles that inhabit Japan are characterized by exceptional species richness and a high level of endemism. Here, we focused on the evolutionary history of the four Japanese mole species of the genera <i>Euroscapter</i> and <i>Mogera</i>, examining mitochondrial cytochrome <i>b</i> (cyt <i>b</i>) gene sequences and comparing them with those of continental <i>Mogera wogura</i> (Korean and Russian populations), <i>M. insularis</i> from Taiwan, and <i>Talpa europaea</i> and <i>T. altaica</i> from the western and central Eurasian continent, respectively. Our data support the idea that in a radiation center somewhere on the Eurasian continent, a parental stock evolved to modern mole-like morph and radiated several times intermittently during the course of the evolution, spreading its branches to other peripheral geographic domains at each stage of the radiation. Under this hypothesis, the four lineages of Japanese mole species, <i>E. mizura</i>, <i>M. tokudae</i>, <i>M. imaizumii</i>, and <i>M. wogura</i>, could be explained to have immigrated to Japan in this order. <i>Mogera wogura</i> and <i>M. imaizumii</i> showed substantial amounts of geographic variation and somewhat complicated distributions of the cyt <i>b</i> gene types. These intraspecific variations are likely to be associated with the expansion processes of moles in the Japanese Islands during the Pleistocene glacial ages.<br>

収録刊行物

  • Genes & genetic systems  

    Genes & genetic systems 75(1), 17-24, 2000-02 

    The Genetics Society of Japan

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各種コード

  • NII論文ID(NAID)
    10004957158
  • NII書誌ID(NCID)
    AA11077421
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    13417568
  • NDL 記事登録ID
    5337250
  • NDL 雑誌分類
    ZR1(科学技術--生物学)
  • NDL 請求記号
    Z53-W539
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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