Re-examination of the phylogeny of Rhacophoridae (Anura) based on mitochondrial and nuclear DNA |
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Authors: | Guohua Yu Dingqi Rao Mingwang Zhang Junxing Yang |
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Institution: | aState Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, The Chinese Academy of Sciences, 32 Jiaochang Donglu, Kunming, Yunnan 650223, China |
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Abstract: | The phylogenetic relationships among rhacophorid frogs are under dispute. We use partial sequences of three mitochondrial (12S rRNA, 16S rRNA, and cytochrome b) and three nuclear protein-coding (Rag-1, rhodopsin exon 1, and tyrosinase exon 1) genes from 57 ingroup taxa and eight outgroup taxa to propose a hypothesis for phylogenetic relationships within Rhacophoridae. Our results support recognition of the genus Feihyla, and Chiromantis is the sister taxon to the clade formed by Feihyla, Polypedates and Rhacophorus. We place Aquixalus odontotarsus within Kurixalus, and the remaining species of Aquixalus and Philautus jinxiuensis into the genus Gracixalus. We give Philautus (Kirtixalus) the rank of genus and place Philautus menglaensis within it. The division of species groups among Chinese Rhacophorus needs revision, and a cryptic species is revealed within Rhacophorus nigropunctatus. Rhacophorus pingbianensis is considered a synonym of Rhacophorus omeimontis. The validity of Rhacophorus hui is confirmed by present molecular evidence. |
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Keywords: | Rhacophoridae Phylogeny mtDNA nuDNA |
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