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    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/jgen/093/03/0631-0641

    • Keywords

       

      mitochondrial genome; novel gene rearrangement; phylogenetic relationships; Occidozyga martensii.

    • Abstract

       

      In this study, the complete nucleotide sequence (18,321 bp) of the mitochondrial (mt) genome of the round-tongued floating frog, Occidozyga martensii was determined. Although, the base composition and codon usage of O. martensii conformed to the typical vertebrate patterns, this mt genome contained 23 tRNAs (a tandem duplication of tRNA-Met gene). The LTPF tRNA-gene cluster, and the derived position of the ND5 gene downstream of the control region, were present in this mitogenome. Moreover, we found that in the WANCY tRNA-gene cluster, the tRNA-Asn gene was located between the tRNA-Tyr and COI genes instead of between the tRNA-Ala and tRNA-Cys genes, which is a novel mtDNA gene rearrangement in vertebrates. Based on the concatenated nucleotide sequences of the 13 protein-coding genes, phylogenetic analysis (BI, ML, MP) was performed to further clarify the phylogenetic relations of this species within anurans.

    • Author Affiliations

       

      En Li1 Xiaoqiang Li1 Xiaobing Wu1 Ge Feng1 Man Zhang1 Haitao Shi2 Lijun Wang2 Jianping Jiang3

      1. College of Life Sciences, Anhui Province Key Laboratory for Conservation and Exploitation of Biological Resource, Anhui Normal University, Wuhu 241000, People’s Republic of China
      2. College of Life Sciences, Hainan Normal University, Haikou 571158, People’s Republic of China
      3. Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, People’s Republic of China

    • Dates

       
      Published
      December 2014
      Manuscript received
      27 February 2014
      Manuscript revised
      17 April 2014
      Accepted
      23 April 2014
      Unedited version published online
      25 June 2014
      Early published
      30 September 2014

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