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Abstract
The complete mitochondrial genome of the oriental sole Brachirus orientalis was presented in this study. It is 16,600 bp in length, contains 13 protein-coding genes, 2 rRNA genes, 22 tRNA genes and 1 control region. A total of 28 bp short overlaps and 23 bp non-coding intergenic spacers were found in the mitogenome. The overall base composition of the L-strand is 30.5% A, 28.7% C, 15.2% G and 25.6% T. Two start codons (ATG and GTG) and three stop codons (AGG, TAG and TAA/T) were found in the protein-coding genes. Twenty-two tRNA genes ranged from 66 bp to 75 bp. Since the tRNA-Ser2 lacks the dihydrouridine arm it can not fold into a typical cloverleaf structure. The control region demonstrates the highest A+T content (66.4%) and the lowest G content (11.8%) in the mitogenome.
Declaration of interest
This study was supported by the National Natural Sciences Foundation of China (No. 41006080) and the Major Projects of Basic Research in the Beibu Gulf of Guangxi (No. 2010GXNSFE013002). The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the paper.