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Abstract
The complete mitochondrial genome of Trichogaster leeri is determined in this study. It is 16,454 bp in length and consists of 13 protein-coding genes, 2 rRNA genes, 22 tRNA genes and a non-coding control region (D-loop). The overall base composition of the heavy-strand (H-strand) of the T. trichopterus mitochondrial genome is A: 29.18%, T: 28.07%, C: 27.20% and G: 15.55%. The total length of the 13 protein-coding genes was 11,435 bp. Phylogenetic analysis showed that the species of Trichogaster (T. trichopterus, T. lalius and T. leeri) formed a monophyletic group and represented close relationship with the species of Anabantoidei. This study provides an important data set for phylogenetic and taxonomic analyses of the species of genus Trichogaster.
Acknowledgements
We would like to thank Pengfei Yan for his help in the experiment.
Declaration of interest
This work was supported by the Applied Basic Project of Science & Technology of Sichuan Province (2012JY0090). The authors report no conflict of interest. The authors alone are responsible for the content and writing of the paper.