Characterization of the complete mitochondrial genome and phylogenetic relationships of the three-spot swimming crab (Portunus sanguinolentus)
文献类型: 外文期刊
作者: Ma, H. Y. 1 ; Ma, C. Y. 1 ; Zhu, J. J. 3 ; Ren, G. J. 1 ; Wang, W. 1 ; Chen, W. 1 ; Lu, J. X. 1 ; Ma, L. B. 1 ;
作者机构: 1.Chinese Acad Fishery Sci, East China Sea Fisheries Res Inst, Shanghai, Peoples R China
2.Shantou Univ, Guandong Prov Key Lab Marine Biol, Shantou, Peoples R China
3.Guangxi Acad Fishery Sci, Nanning, Peoples R China
关键词: Portunus sanguinolentus;Mitochondrion;Gene order;Phylogenetic relationship
期刊名称:GENETICS AND MOLECULAR RESEARCH ( 影响因子:0.764; 五年影响因子:0.912 )
ISSN: 1676-5680
年卷期: 2016 年 15 卷 3 期
页码:
收录情况: SCI
摘要: In this study, we determined the whole mitochondrial genome profile of the three-spot swimming crab (Portunus sanguinolentus) and elucidated phylogenetic relationships between representative species in the order Decapoda. The mitochondrial genome was 16,024 bp in length and consisted of 13 protein-coding genes, 22 transfer RNA genes, two ribosomal RNA genes, and a putative control region. Of the 37 genes, 23 were encoded by the heavy strand while 14 were encoded by the light strand. Four types of start codons were identified; ATG initiated nine genes, ATT initiated two genes, and ATC and GTG each started one gene. Nine protein-coding genes ended with a complete TAA or TAG stop codon, and four genes ended with an incomplete T or TA codon. Fourteen non-coding regions were found, which ranged from 1 to 34 bp in length. Nine overlaps were observed, with lengths between 1 and 7 bp. Phylogenetic analysis suggested that P. sanguinolentus is genetically closest to P. trituberculatus and P. pelagicus. Charybdis feriata, C. japonica, and Thalamita crenata formed a single cluster, and were close to the genera Callinectes and Portunus. Therefore, the genera Charybdis and Thalamita should be classified into the subfamily Portuninae.
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