The complete mitochondrial genome of <Emphasis Type="Italic">Triplophysa brevibarba</Emphasis> with phylogenetic consideration |
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Authors: | Yanhua Zhang Zhe Wang Zhimin Zhang Mingsong Wu Jianying Chen Yanyu Zhao |
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Institution: | 1.College of Life Sciences,Jiangsu Normal University,Xuzhou,China;2.Department of Medical Genetics,Zunyi Medical University,Zunyi,China;3.Department of Resource Environment,Qiannan Normal College for Nationalities,Duyun,China |
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Abstract: | Triplophysa brevibarba is distributed in the upstream of Ya-lung River. The conservation status of this fish has been assessed as near threatened due to overfishing and habitat destruction. In the present study, we determined the first complete mitochondrial genome of T. brevibarba. This genome was 16,570 bp in size and contained 13 protein-coding genes, 22 transfer RNA genes, 2 ribosomal RNA genes, and a typical control region. The overall nucleotide composition was: 28.2% A, 28.5% T, 25.3% C, and 18.0% G, with a total A?+?T content of 56.7%. The genome size, gene arrangement, and composition were similar to those of other Triplophysa species. Phylogenetic analysis of all 42 Nemacheilidae species showed that Triplophysa is a monophyletic group and T. brevibarba was clustered with Triplophysa minxiannesis and Triplophysa robusta located in the basal clade of Triplophysa. |
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