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- Title
Molecular phylogeny of wood mice ( Apodemus , Muridae) in East Asia.
- Authors
Suzuki, Hitoshi; Sato, Jun J.; Tsuchiya, Kimiyuki; Jing Luo; Ya-Ping Zhang; Ying-Xiang Wang, Kimiyuki; Xue-Long Jiang, Kimiyuki
- Abstract
Sequences of the mitochondrial cytochrome b (1140 bp) and nuclear IRBP (1152 bp) genes were used to assess the evolutionary history of Apodemus , using the complete set of Asian species. Our results indicate that speciation in Asia involved three radiations, which supports an earlier study. The initial radiation yielded A. argenteus (Japanese endemic), A. gurkha (Nepalese endemic), and the ancestral lineage of the remaining Asian species. This lineage subsequently diverged into four groups: agrarius-chevrieri ( agrarius group), draco-latronum-semotus ( draco group), A. peninsulae , and A. speciosus (Japanese endemic). The final step consisted of divergence within two species groups as a consequence of the geography of the Yunnan-Guizhou plateau and Taiwan. The ecological ability of two Apodemus species to inhabit one locality via niche partitioning likely drove the second radiation and shaped the basic geographical pattern seen today: A. argenteus and A. speciosus in Japan, A. agrarius and A. peninsulae in northern China, and the A. agrarius and A. draco groups in southern China. The three radiations are estimated to have occurred 7.5, 6.6, and 1.8–0.8 Mya respectively, using the IRBP clock, based on rat–mouse divergence 12 Mya. © 2003 The Linnean Society of London, Biological Journal of the Linnean Society , 2003, 80 , 469–481.
- Subjects
EAST Asia; APODEMUS; BIOLOGICAL evolution; CYTOCHROME b
- Publication
Biological Journal of the Linnean Society, 2003, Vol 80, Issue 3, p469
- ISSN
0024-4066
- Publication type
Article
- DOI
10.1046/j.1095-8312.2003.00253.x