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Abstract
The complete mitochondrial genome of the Scorpaenopsis cirrhosa has been sequenced. The mitochondrial genome is 16 966 bp in length, containing 13 protein-coding genes, 2 ribosomal RNA genes, 22 transfer RNA genes, and 1 control region. The gene order and composition of S. cirrhosa mitochondrial genome was similar to that of most other vertebrates. The overall nucleotides base composition of the heavy strand is A (27.91%), G (17.71%), C (28.02%), and T (26.35%). With the exception of the NADH dehydrogenase subunit 6 (ND6) and eight tRNA genes, all other mitochondrial genes are encoded on the heavy strand. The tRNA-Ser2 gene lacked DHC arm and could not fold into a typical clover-leaf secondary structure. Seen from the phylogenetic tree, S. cirrhosa, a stonefish and four rockfishes from the same order (Scorpaeniformes) clustered into one branch.
Declaration of interest
The authors report no conflicts of interest. The authors alone are responsible for the content and writing of this article. This work is supported by Technology Research and Development Projects for Research Institutes of Hainan Province (SQ2015KXSY0014), Special Funding for Basic Scientific Research Expenses in Non-profit Research Institutions (South China Sea Fisheries Research Institute) by the Central Government of China (2013YD10).