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Abstract
Spualiobarbus curriculus is an important economic species in China. In this study, the complete mitochondrial genome of S. curriculus collected from three parts of Pearl River is cloned and analyzed. The complete sequence includes 22 tRNA genes, two rRNA genes, 13 protein-coding genes, and a D-loop region. The composition of nucleic acid is calculated and it is similar to the known S. curriculus mtDNA. The diversities of sequences and the phylogenetic tree approve that there is high similarity with the one of Yangtze, but there is geographic differences between the sequences. The complete mtDNA genome sequence would contribute to studying phylogenetics in S. curriculus and gemplasm protection of aquatic animal in Pearl River.
Declaration of interest
The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the paper. The study was funded by the Special Fund for Agro-scientific Research in the Public Interest (Grant no. 201303048). Funding was also provided by the National Key Technology R&D Program, China (No. 2012BAD25B04), the Educational Commission of Guangdong Province, China (No. cxzd1104), the Science and Technology Planning Projects of Guangdong Province, China (nos. 2012A020800001, 2008A020100003, and 2007A020300001-1).