Molecular Phylogeny and Biogeography of Oriental Voles: Genus Eothenomys (Muridae, Mammalia)
MOLECULAR PHYLOGENETICS AND EVOLUTION Molecular Phylogenetics and Evolution 33 (2004) 349–362 www.elsevier.com/locate/ympev Molecular phylogeny and biogeography of Oriental voles: genus Eothenomys (Muridae, Mammalia) Jing Luoa,1, Dongming Yanga, Hitoshi Suzukic, Yingxiang Wangd, Wei-Jen Chene, Kevin L. Campbellf, Ya-ping Zhanga,b,* a Laboratory of Molecular Biology of Domestic Animals, and Cellular and Molecular Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming 650223, China b Laboratory of Conservation and Utilization of Bio-resource, Yunnan University, Kunming 650091, China c Laboratory of Ecology and Genetics, Graduate School of Environmental Earth Science, Hokkaido University, Sapporo 060-0810, Japan d Mammalogy Division, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, China e Department of Biology, University of Konstanz, D-78457, Konstanz, Germany f Department of Zoology, University of Manitoba, Winnipeg, Man., Canada R3T 2N2 Received 7 December 2003; revised 21 May 2004 Available online 29 July 2004 Abstract Oriental voles of the genus Eothenomys are predominantly distributed along the Southeastern shoulder of the Qinghai-Tibetan Plateau. Based on phylogenetic analyses of the mitochondrial cytochrome b gene (1143bp) obtained from 23 specimens (eight spe- cies) of Oriental voles collected from this area, together with nucleotide sequences from six specimens (two species) of Japanese red- backed voles (Eothenomys andersoni and Eothenomys smithii) and five species of the closely related genus Clethrionomys, we revised the systematic status of Eothenomys. We also tested if vicariance could explain the observed high species diversity in this area by correlating estimated divergence times to species distribution patterns and corresponding paleo-geographic events.
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