The complete mitochondrial genome of Schizothorax chongi (Fang, 1936) (Teleostei, Cyprinidae, Schizothoracinae)

Abstract

Schizothorax chongi is an endemic and important polyploidy fish in the upper stream of the Yangtze River. S. chongi represents a typical model species to study historical adaptation and evolution in the Tibetan Plateau. In this study, the complete mitochondrial DNA genome sequence of S. chongi was first determined by DNA sequencing based on the PCR fragments. The complete mitochondrial DNA (mtDNA) genome sequence of S. chongi is a circular molecule of 16,584 bp in length. It consists of 13 protein-coding genes, 22 tRNA genes, 2 rRNA genes, and a control region (D-loop). The gene nucleotide composition of S. chongi is 29.6% A, 27.1% C, 17.9% G, and 25.4% T, with a high AT content (55.0%). The results could provide useful data for further studies on phylogenetics, conservation genetics and rational resource management for S. chongi.

• Conservation genetics
• mitochondrial genome
• resource management
• Schizothorax chongi

Acknowledgements

The authors are grateful to H.Y Tang for his assistance in sample collection and fish identification.

Declaration of interest

The work was supported by National Key Technology R&D Program of the Ministry of Science and Technology (2012BAC06B04), National Natural Science Foundation (Grant No. 51309166) and China Three Gorges Corporation Scientific Project (0799527). The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the paper.