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Intraspecific differentiation in the lesser Japanese mole in eastern Honshu, Japan, indicated by nuclear and mitochondrial gene analyses.

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Title: Intraspecific differentiation in the lesser Japanese mole in eastern Honshu, Japan, indicated by nuclear and mitochondrial gene analyses.
Authors: Iwasa, Masahiro A. Browse this author
Kawakubo, Chizu Browse this author
Tsuchiya, Kimiyuki Browse this author
Suzuki, Hitoshi Browse this author
Keywords: lesser Japanese mole
mitochondrial DNA
nuclear DNA
differentiation
secondary contact
Issue Date: Nov-2006
Publisher: Zoological Society of Japan
Journal Title: ZOOLOGICAL SCIENCE
Volume: 23
Issue: 11
Start Page: 955
End Page: 961
Publisher DOI: 10.2108/zsj.23.955
PMID: 17189907
Abstract: The lesser Japanese mole, Mogera imaizumii, recognized by Motokawa and Abe (1996), occurs in eastern Honshu, western Honshu and Shikoku. Mitochondrial and nuclear DNA were analyzed for mole samples from eastern Honshu to elucidate intraspecific differentiation. Analyses of sequences of the mitochondrial cytochrome b gene (Cytb) and of a restriction fragment length polymorphism of the nuclear 28S ribosomal RNA gene spacer (rDNA-RFLP) revealed two genetic types, partially corresponding to Hutterer's (1993) taxa, M. wogura (= M. imaizumii) and M. minor. Most samples showed either of two combinations of mitochondrial / nuclear gene types. However, two specimens showed a different combination. This incongruent combination of mitochondrial and nuclear genes might have derived, in part, from an introgression event between genetically differentiated populations after secondary contact during the evolutionary history of the lesser Japanese mole in eastern Honshu.
Type: article (author version)
URI: http://hdl.handle.net/2115/17255
Appears in Collections:環境科学院・地球環境科学研究院 (Graduate School of Environmental Science / Faculty of Environmental Earth Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 鈴木 仁

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