Comparison of the complete mitochondrial genome of Phyllophorus liuwutiensis (Echinodermata: Holothuroidea: Phyllophoridae) to that of other sea cucumbers
Fuyuan Yang,
Chen Zhou,
Ngoc Tuan Tran,
Zaiqiao Sun,
Jianshao Wu,
Hui Ge,
Zhen Lu,
Chenhui Zhong,
Zhihuang Zhu,
Qiuhua Yang,
Qi Lin
Affiliations
Fuyuan Yang
Key Laboratory of Cultivation and High‐value Utilization of Marine Organisms in Fujian Province Fisheries Research Institute of Fujian Xiamen China
Chen Zhou
Key Laboratory of Cultivation and High‐value Utilization of Marine Organisms in Fujian Province Fisheries Research Institute of Fujian Xiamen China
Ngoc Tuan Tran
Institute of Marine Sciences Guangdong Provincial Key Laboratory of Marine Biotechnology Shantou University China
Zaiqiao Sun
Key Laboratory of Cultivation and High‐value Utilization of Marine Organisms in Fujian Province Fisheries Research Institute of Fujian Xiamen China
Jianshao Wu
Key Laboratory of Cultivation and High‐value Utilization of Marine Organisms in Fujian Province Fisheries Research Institute of Fujian Xiamen China
Hui Ge
Key Laboratory of Cultivation and High‐value Utilization of Marine Organisms in Fujian Province Fisheries Research Institute of Fujian Xiamen China
Zhen Lu
Key Laboratory of Cultivation and High‐value Utilization of Marine Organisms in Fujian Province Fisheries Research Institute of Fujian Xiamen China
Chenhui Zhong
Key Laboratory of Cultivation and High‐value Utilization of Marine Organisms in Fujian Province Fisheries Research Institute of Fujian Xiamen China
Zhihuang Zhu
Key Laboratory of Cultivation and High‐value Utilization of Marine Organisms in Fujian Province Fisheries Research Institute of Fujian Xiamen China
Qiuhua Yang
Key Laboratory of Cultivation and High‐value Utilization of Marine Organisms in Fujian Province Fisheries Research Institute of Fujian Xiamen China
Qi Lin
Key Laboratory of Cultivation and High‐value Utilization of Marine Organisms in Fujian Province Fisheries Research Institute of Fujian Xiamen China
Sea cucumber species are abundant (>1400 species) and widely distributed globally. mtDNA sequencing is frequently used to identify the phylogenetic and evolutionary relationships among species. However, there are no reports on the mitochondrial genome of Phyllophorus liuwutiensis. Here, we performed mtDNA sequencing of P. liuwutiensis to examine its phylogenetic relationships with other echinoderms. Its mitochondrial genome (15 969 bp) contains 37 coding genes, including 13 protein‐coding genes, 22 tRNA genes and 2 rRNA genes. Except for one protein‐coding gene (nad6) and five tRNA genes encoded on the negative strand, all other genes were encoded on the positive strand. The mitochondrial bases of P. liuwutiensis were composed of 29.55% T, 22.16% C, 35.64% A and 12.64% G. The putative control region was 703 bp in length. Seven overlapping regions (1–10 bp) were found. The noncoding region between the genes ranged from 1 to 130 bp in length. One putative control region has been found in the P. liuwutiensis mitogenome. All of the tRNA genes were predicted to fold into a cloverleaf structure. In addition, we compared the gene arrangements of six echinoderms, revealing that the gene order of P. liuwutiensis was a new arrangement.
