期刊
BIOCHEMICAL SYSTEMATICS AND ECOLOGY
卷 62, 期 -, 页码 241-248出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bse.2015.09.008
关键词
Mitochondrial genome; Decapoda; Eriocheir japonica sinensis; Phylogenetic analysis
资金
- Jiangsu Provincial Key Laboratory of Coastal Wetland Bioresources and Environmental Protection [JLCBE14006]
- Natural Science Foundation of Jiangsu Province [BK20140461]
- Natural Science Foundation of Education Department of Jiangsu Province [12KJA180009, 13KJB180027, 15KJB240002]
- Yancheng City Agricultural Science and Technology Guiding Project [YKN2014022]
- Jiangsu Key Laboratory for Bioresources of Saline Soils [JKLBS2014013]
The complete mitochondrial genome (mitogenome) can provide novel insights into understanding the mechanisms underlying mitogenome evolution. In this study, the complete mitogenome of Eriocheir japonica sinensis (Decapoda: Varunidae) was determined to be 16,378 bp, including 13 protein-coding genes (PCGs), two rRNA genes, 22 tRNA genes and a D-loop region. The AT skew of the E. j. sinensis mitogenome was slightly negative (-0.016), indicating a higher number of T compared with A nucleotides. The nucleotide composition of the mitogenome was also biased toward A+T nucleotides (71.6%). All PCGs were initiated by AN codons. Eight of the 13 PCGs harbored the incomplete termination codon by T, or TA. All other tRNA genes displayed a typical clover-leaf structure of mitochondrial tRNA. The D-loop region of the E. j. sinensis mitogenome was 918 bp in length. Based on 13 PCGs, phylogenetic analysis confirmed the placement of E. j. sinensis within the Varunidae. (C) 2015 Elsevier Ltd. All rights reserved.
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