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Title: Low genetic diversity in Japanese populations of the Eurasian badger Meles meles (Mustelidae, Carnivora) revealed by mitochondrial cytochrome b gene sequences
Authors: Naoko Kurose
Yayoi Kaneko
Alexei V. Abramov
Boripat Siriaroonrat
Ryuichi Masuda
Graduate School of Science
Japan National Institute for Land and Infrastructure Management
Zoological Institute, Russian Academy of Sciences
Mahidol University
Hokkaido University
Keywords: Agricultural and Biological Sciences
Issue Date: 1-Nov-2001
Citation: Zoological Science. Vol.18, No.8 (2001), 1145-1151
Abstract: To assess the level of genetic variations of the Eurasian badger Meles meles in Japan, the entire sequences (1,140 base pairs) of the mitochondrial cytochrome b gene were phylogenetically examined. Most of substitutions between haplotypes were transitions resulting in synonymous mutations. A phylogenetic tree reconstructed by sequence differences clearly showed that Japanese populations of Meles meles were differentiated from continental populations (from the Baikal area and eastern Europe) of M. meles. By contrast, genetic distances among Japanese populations were much smaller, and their geographic structures did not reflect geographic distances between sampling localities. The results indicate that polymorphisms of the ancestral populations still remain via loss of haplotypes by population size changes. In addition, M. meles could have occupied the present habitats in Japanese main islands (Honshu, Shikoku, and Kyushu) in a short period, possibly after the last glacial age.
ISSN: 02890003
Appears in Collections:Scopus 2001-2005

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