Phylogeographic Variation in Two Mustelines, the Least Weasel Mustela nivalis and the Ermine M. erminea of Japan, Based on Mitochondrial DNA Control Region Sequences(Phylogeny)
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概要
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The least weasel Mustela nivalis and the ermine M. erminea of Japan are considered relicts of the last glacial period. To study phylogeographic variation in these mustelines, fragments of the mitochondrial DNA control region were sequenced. In both species, the control region included tandem repeats of 10-base motifs at the 3' portion specific to the genus Mustela. Phylogenetic trees of the 5' portion (581-584 bases) of M. nivalis indicated that haplotypes in the Hokkaido population clearly diverged from those in the Honshu population. Geographic pattern of intraspecific variations illustrated by this result is concordant with that by the result of a previous cytogenetic study, which revealed the karyotypic differentiation between the two populations. These findings might suggest that the Hokkaido and Honshu populations of M. nivalis were geographically isolated in advance of the formation of the Tsugaru strait between Hokkaido and Honshu. Distribution pattern of the mitochondrial DNA haplotypes within Hokkaido suggests that M. nivalis experienced the repeated changes of environments during glacial and inter-glacial periods of the Quaternary, or that this species immigrated from Sakhalin/Siberia into Hokkaido so recently. On the other hand, M. erminea exhibited a smaller sequence divergence between the Hokkaido and Honshu populations, suggesting a shorter geographic isolation than in M. nivalis.
- 社団法人日本動物学会の論文
- 1999-12-15
著者
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増田 隆一
北海道大学創成科学共同研究機構
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Masuda R
Hokkaido Univ. Sapporo Jpn
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Masuda Ryuichi
Creative Research Initiative "sousei" Hokkaido University
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Masuda Ryuichi
Chromosome Research Unit Faculty Of Science Hokkaido University
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Masuda Ryuichi
Laboratory Of Genetic Diversity Center For Advanced Science And Technology Hokkaido University
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Masuda Ryuichi
Division Of Bioscience Graduate School Of Environmental Earth Science Hokkaido University
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黒瀬 奈緒子
神奈川大学理学部生物科学科
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Kurose Naoko
Cytogenetics Laboratory, Division of Bioscience, Graduate School of Environmental Earth Science, Hok
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Kurose Naoko
Division Of Bioscience Graduate School Of Environment Earth Science Hokkaido University
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Kurose Naoko
Faculty Of Education Ehime University
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Kurose Naoko
Division Of Bioscience Graduate School Of Environmental Earth Science Hokkaido University
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Yoshida M
Hokkaido Univ. Sapporo Jpn
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Yoshida Michihiro
Chromosome Res. Unit Fac. Sci.:lab. Cytogenet. Grad. Sch. Environ. Earth Sci. Hokkaido Univ.
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Yoshida M
Hokkaido Univ. Hokkaido Jpn
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Yoshida Michihiro
Chromosome Research Unit Faculty Of Science Hokkaido Univerysity Laboratory Of Cytogenetics Division
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Masuda Ryuichi
Cytogenetics Laboratory, Division of Bioscience, Graduate School of Environmental Earth Science, Hok
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Yoshida Michihiro
Cytogenetics Laboratory, Division of Bioscience, Graduate School of Environmental Earth Science, Hok
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Yoshida Michihiro
Chromosome Research Unit Faculty Of Science:graduate School Of Environmental Earth Science Hokkaido
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Yoshida M
Chromosome Research Unit Faculty Of Science Hokkaido University
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Kurose Naoko
Hiroshima Univ. Higashihiroshima Jpn
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Yoshida Michihiro
Department Of Gastroenterology And Metabolism Nagoya City University Graduate School Of Medical Scie
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Yoshida Michihiro
Chromosome Res. Unit Fac. Sci. Hokkaido Univ.
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Yoshida Michihiro
Chromosome Research Unit Faculty Of Science Hokkaido University:laboratory Of Cytogenetics Graduate
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Yoshida Michihiro
Chromosome Res. Unit Fac Sci. Hokkaido Univ.
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