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Abstract
The complete mitochondrial genome of a stream-dwelling frog species Paramegophrys oshanensis was determined. This mitogenome was 17,747 bp in length, containing 13 protein-coding genes, 2 rRNA genes, 22 tRNA genes, and a control region (D-loop). The base composition of the light strand was 28.77% A, 29.85% T, 26.26% C, and 15.11% G. Compared with most other vertebrates, this mitogenome has some different features: a non-tandem duplication of tRNA-Met gene (forming tRNA-Met1 and tRNA-Met2 genes), the replacement of tRNA-Trp gene by a 72-bp noncoding region translocated from the cluster of WANCY to the back of Cytb gene, the translocation of tRNA-Val gene from the front of 16S rRNA to the back of tRNA-Met1 gene, and the translocation of tRNA-Pro gene from the front of D-loop region to the front of tRNA-Met2 gene. Three kinds of tandem repeats with size ranging from 71 to 92 bp were detected within D-loop region.
Declaration of interest : This study was supported by the National Natural Sciences Foundation of China (NSFC-31071906 granted to Jianping Jiang, NSFC-31172055 granted to Cheng Li, and NSFC-31201702 granted to Bin Wang), the Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization of CIB, CAS, the Ecological Restoration and Biodiversity Conservation Key Laboratory of Sichuan Province, and the Knowledge Innovation Program of CAS (KSCX2-EW-J-22). The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the paper.