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The Mitochondrial Genome of Pseudocalotes microlepis (Squamata: Agamidae) and its Phylogenetic Position in Agamids

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【作者】 Xiuli YUYu DUMengchao FANGHong LILonghui LIN

【Author】 Xiuli YU;Yu DU;Mengchao FANG;Hong LI;Longhui LIN;Hangzhou Key Laboratory for Ecosystem Protection and Restoration, College of Life and Environmental Sciences,Hangzhou Normal University;Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life Sciences, Nanjing Normal University;Hainan Key Laboratory of Herpetology, College of Tropical Biology and Agronomy, Hainan Tropical Ocean University;

【机构】 Hangzhou Key Laboratory for Ecosystem Protection and Restoration, College of Life and Environmental Sciences,Hangzhou Normal UniversityJiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life Sciences, Nanjing Normal UniversityHainan Key Laboratory of Herpetology, College of Tropical Biology and Agronomy, Hainan Tropical Ocean University

【摘要】 We describe the complete mitochondrial genome of a small-scaled forest agamid(Pseudocalotes microlepis), which is 17 873 bp in size, containing 13 PCGs, 2 r RNAs, 22 t RNAs and non-coding regions. The mitogenome has a typical gene order among squamates. 13 PCGs include 2 start codons(ATG and ATA), 3 stop codons(TAG, TAA and AGG), and an incomplete stop codon(T-). Codon usage analyses showed that CUA-Leu1 and CGG-Arg are the most frequently and rarely used codon, respectively. All 22 t RNAs were predicted to form canonical cloverleaf secondary structures, except for two t RNAs(t RNACys and t RNASer(AGY)) lacking the dihydorouridine(DHU) arm. The large noncoding region(control region) is 2 687 bp long(28.3% T, 18.2% C, 42.3% A, and 11.2% G), with four different types of repeating sequences. The phylogenetic tree resulting from BEAST analyses based on concatenated 2 r RNAs and 13 PCGs in sequence revealed that the newly sequenced P. microlepis, where the genus Acanthosaura were aggregated. Together with Calotes versicolor, they constitute the subfamily Draconinae.

【基金】 provided by grant from Zhejiang Provincial Natural Science Foundation to Longhui LIN (LY17C030003);grants from the National Natural Science Foundation of China (31270571 and 31670422)
【所属期刊栏目】 ORIGINAL ARTICLE (2018年01期)
  • 【DOI】10.16373/j.cnki.ahr.170035
  • 【分类号】Q953
  • 【下载频次】7
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