The complete mitochondrial genome of Parachiloglanis hodgarti and its phylogenetic position within Sisoridae
文献类型： 外文期刊
作者： Li, Jiasheng 1 ; Peng, Ying 1 ; Zhang, Shufei 3 ; Liu, Yifan 1 ; Zhang, Kun 1 ; Chen, Jian 1 ; Zhang, Hua 4 ; Zhang, Chi 2 ; Liu, Bingjian 1 ;
作者机构： 1.Zhejiang Ocean Univ, Natl Engn Lab Marine Germplasm Resources Explorat, Zhoushan 316022, Peoples R China
2.Tibet Acad Agr & Anim Husb Sci, Inst Fisheries Sci, Lhasa 850000, Peoples R China
3.Chinese Acad Fisheries Sci, Guangdong Prov Key Lab Fishery Ecol & Environm So, Guangzhou 510300, Peoples R China
4.Chinese Acad Sci, Key Lab Trop Marine Bioresources & Ecol, Guangzhou 510301, Peoples R China
关键词： Parachiloglanis hodgarti; mitogenomes; Sisoridae; glyptosternoids; phylogenetic relationship
期刊名称：JOURNAL OF OCEANOLOGY AND LIMNOLOGY （ 影响因子：1.554； 五年影响因子：1.448 ）
ISSN： 2096-5508
年卷期：
页码：
收录情况： SCI
摘要： The complete mitogenome of Parachiloglanis hodgarti was sequenced and characterized, which is the first mitogenome of the genus Parachiloglanis within Sisoridae. The mitogenome is 16 511-bp long and included 13 protein-coding genes, 22 transfer RNAs, two ribosomal RNAs, and one control region. The genome composition was A+T biased (58.64%) and exhibited a positive AT-skew (0.095) and a negative GC-skew (-0.283). Compared with other Sisoridae fishes, the characteristics of nucleotide skews, codon usage, and amino acid usage of the P. hodgarti mitogenome are more similar to those of non-Glyptosternoid fishes. Furthermore, the phylogenetic trees show that Sisoridae fishes fall into four major clades and P. hodgarti (Clade I) is basal to the Sisoridae family, forming a sister clade to the Glyptosternoids (Clade IV). The topological structures constructed in this study raised doubts over the traditional classification system. These results will help better understand the features of the P. hodgarti mitogenome and provide a reference for further phylogenetic research on Sisoridae species.
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