日本産テン類の系統地理学的研究(2011年度日本動物分類学会シンポジウム)

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概要

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• Phylogeographic history of two Martes (Carnivora, Mustelidae) species inhabiting the Japanese archipelagos, the Japanese marten (M. melampus) and the sable (M. zibellina), was reviewed on the basis of the current evidence on molecular data. The genetic diversity of the possibly neutral mitochondrial DNA (mtDNA) suggested that geographic demarcations by the formation of some straits around the Japanese archipelagos would have played an important role in creating the endemic lineages of the two Martes species, such as the sable in Hokkaido and the Japanese marten in the Tsushima islands. The mtDNA genealogy of the Japanese marten was also in congruent with the geography within the Japanese islands. On the other hand, geographic variations of coat color and its responsible genetic polymorphisms were not consistent with the mtDNA diversity. Adaptive evolution and/or phenotypic plasticity were both discussed as main forces to maintain geographically specific coat color variations observed in two Martes species.

• 2012-02-20

著者

• SATO Jun

  Laboratory of Animal Cell Technology, Faculty of Life Science and Technology, Fukuyama University

• 石田 浩太郎

  北海道大学大学院環境科学院

• 佐藤 淳

  福山大学生命工学部生物工学科

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