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KMID : 1161520080120040269
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Animal Cells and Systems
2008 Volume.12 No. 4 p.269 ~ p.277
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Mitochondrial genetic diversity and phylogenetic relationships of Siberian flying squirrel (Pteromys volans) populations
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Lee Mu-Yeong
Park Sun-Kyung
Hong Yoon-Jee
Kim Young-Jun
Voloshina Inna
Saveljev Alexander P.
Choi Tae-Young
Piao Ren-Zhu
An Jung-Hwa
Lee Mun-Han
Lee Hang
Min Mi-Sook
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Abstract
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Siberian flying squirrel, an endangered species in South Korea, is distributed through major mountain regions of South Korea. The number of Siberian flying squirrel (Pteromys volans) in South Korea has decreased and their habitats are fragmented and isolated because of anthropogenic activities. So far no molecular genetic data has, however, been available for their conservation and management. To obtain better information concerning genetic diversity and phylogenetic relationships of the Siberian flying squirrel in South Korea, we examined 14 individuals from South Korea, 7 individuals from Russia, and 5 individuals from northeastern China along with previously published 29 haplotypes for 1,140 bp of the mtDNA cytochrome b gene. The 14 new individuals from South Korea had 7 haplotypes which were not observed in the regions of Russia and Hokkaido. The level of genetic diversity (0.616%) in the South Korean population was lower than that in eastern Russia (0.950%). The geographical distribution of mtDNA haplotypes and reduced median network confirmed that there are three major lineages of Siberian flying squirrel, occupying; Far Eastern, northern Eurasia, and the island of Hokkaido. The South Korean population only slightly distinct from the Eurasia, and eastern Russian population, and is part of the lineage Far Eastern. Based on these, we suggest that the South Korean population could be considered to belong to one partial ESU (Far Eastern) of three partial ESUs but a different management unit. However, the conservation priorities should be reconfirmed by nuclear genetic marker and ecological data.
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KEYWORD
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Siberian flying squirrel, cytochrome b sequence variation, genetic diversity, Evolutionary significant unit (ESU)
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