Molecular Phylogeny of the Genus Paramesotriton (Caudata: Salamandridae) |
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Authors: | Shunqing Lu Zhi-Gang Yuan Junfeng Pang Datong Yang Fahong Yu Peter McGuire Feng Xie Ya-Ping Zhang |
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Affiliation: | Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, People's Republic of China. |
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Abstract: | To elucidate the phylogeny of the genus Paramesotriton (Caudata: Salamandridae), we investigated three mitochondrial DNA gene fragments (1207 bp in total) of cytochrome b, ND2, and ND4 for its six recognized species. The phylogenetic relationships within Paramesotriton were reconstructed by maximum parsimony (MP) and maximum likelihood (ML) methods. Phylogenetic trees (MP and ML trees) that were constructed from the combined data set of the three gene fragments indicated that all six species of Paramesotriton formed a monophyletic group, with P. caudopunctatus as basal to the other five species. This result suggests that P. fuzhongensis is a valid species in Paramesotriton. |
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