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Phylogenetical Positions of Sorex sp. (Insectivora, Mammalia) from Cheju Island and S. caecutiens from the Korean Peninsula, Inferred from Mitochondrial Cytochrome b Gene Sequences

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Title: Phylogenetical Positions of Sorex sp. (Insectivora, Mammalia) from Cheju Island and S. caecutiens from the Korean Peninsula, Inferred from Mitochondrial Cytochrome b Gene Sequences
Authors: Ohdachi, Satoshi D.1 Browse this author →KAKEN DB
Abe, Hisashi Browse this author
Han, Sang-Hoon Browse this author
Authors(alt): 大舘, 智志1
Keywords: Sorex caecutiens/shinto group
cytochrome b
molecular phylogeny
Cheju Island
Korean Peninsula
Issue Date: 2003
Publisher: Zoological Society of Japan
Journal Title: ZOOLOGICAL SCIENCE
Volume: 20
Issue: 1
Start Page: 91
End Page: 95
Publisher DOI: 10.2108/zsj.20.91
PMID: 12560606
Abstract: Phylogenetical positions of Sorex specimens unassigned to species from Cheju Island, Korea, and S. caecutiens from southern Korean Peninsula were investigated based on full nucleotide sequences (1,140 bp) of the mitochondrial cytochrome b gene, comparing specimens of the S. caecutiens/shinto group from locations throughout its range. In the phylogenetic tree obtained, S. caecutiens were separated into two main groups: Hokkaido and Continent-Sakhalin-Cheju clusters. Shrews from Cheju and Korean Peninsula were included in the latter cluster. Thus, we suggest that the shrew on Cheju Island should be ranked as S. caecutiens, although taxonomic description of the shrew has to be conducted elsewhere. The Cheju shrews formed a single sub-cluster while the peninsular shrews were not included in a single sub-cluster. The clustering of individuals in Continent-Sakhalin-Cheju cluster did not always reflect the geographical proximity of their capture locations. We interpret these findings as indicating ancestral isolation of a Hokkaido population and recent rapid range expansion of the modern population in Eurasian Continent-Sakhalin-Cheju.
Type: article (author version)
URI: http://hdl.handle.net/2115/1467
Appears in Collections:低温科学研究所 (Institute of Low Temperature Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 大舘 智志

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