Complete nucleotide sequence and gene organization of the mitochondrial genome of Paa spinosa (Anura: Ranoidae) |
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| Authors: | Yan Zhou Jia-Yong Zhang Rong-Quan Zheng Bao-Gen Yu Guang Yang |
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| Affiliation: | 1. Institute of Ecology, Zhejiang Normal University, Jinhua 321004, Zhejiang, China;2. Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life Sciences, Nanjing Normal University, Nanjing 210046, China |
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| Abstract: | The mt genome of Paa spinosa (Anura: Ranoidae) is a circular molecule of 18,012 bp in length, containing 38 genes (including an extra copy of tRNA-Met gene). This mt genome is characterized by three distinctive features: a cluster of rearranged tRNA genes (LTPF tRNA gene cluster), a tandem duplication of tRNA-Met gene (Met1 and Met2), and distinct repeat regions at both 5′ and 3′-sides in the control region. Comparing the locations and the sequences of all tRNA-Met genes among Ranoidae, and constructing NJ tree of the nucleotide of those tRNA-Met genes, we suggested a tandem duplication of tRNA-Met gene can be regarded as a synapomorphy of Dicroglossinae. To further investigate the phylogenetic relationships of anurans, phylogenetic analyses (BI, ML and MP) based on the nucleotide dataset and the corresponding amino acid dataset of 11 protein-coding genes (except ND5 and ATP8) arrived at the similar topology. |
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| Keywords: | ATP6, ATPase subunit 6 ATP8, ATPase subunit 8 BI, Bayesian inference bp, base pairs COI&ndash III, cytochrome c oxidase subunit I&ndash III CSB, conserved sequence block Cyt b, cytochrome b D-loop, displacement loop H-strand, heavy strand LA-PCR, long-and-accurate polymerase chain reaction kb, kilo base pairs L-strand, light strand MCMC, Markov chain Monte Carlo mt, mitochondrial mtDNA, mitochondrial DNA ML, maximum likelihood MP, maximum parsimony ND1&ndash 6 and ND4L, NADH dehydrogenase subunit 1&ndash 6 and 4L OH, H-strand origin of replication OL, L-strand origin of replication PCG, protein-coding gene PCR, polymerase chain reaction rRNA, ribosomal ribonucleic acid TAS, termination-associated sequence tRNA, transfer ribonucleic acid |
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