小眼侏儒鲨的完整线粒体基因组及其系统发育位置（角鲨目：铠鲨科）
Complete mitochondrial genome and the phylogenetic position of the smalleye pygmy shark (Squaliformes: Dalatiidae).
作者信息
Chen Hao, Ding Wenyong, Chen Xiao, Ai Weiming
机构信息
Department of Marine Biotechnology, School of Life Science, Wenzhou Medical University, Wenzhou, Zhejiang, P.R. China.
Zhejiang Mariculture Research Institute, Wenzhou, Zhejiang, P.R. China.
出版信息
Mitochondrial DNA B Resour. 2016 Apr 12;1(1):304-305. doi: 10.1080/23802359.2016.1167639.
The complete mitogenome of the smalleye pygmy shark (Squaliformes: Dalatiidae) is presented in this study firstly. It is 16,717 bp with a nucleotide base composition of 30.7% A, 26.2% C, 14.7% G and 28.5% T, containing 37 genes and a control region with typical order as vertebrate. There are 23bp short intergenic spaces and 28bp overlaps locating in gene junctions. 2 rRNA genes are located in heavy strand. Twenty-two tRNA genes range from 67bp (tRNA-) to 75 bp (tRNA-1). Two initial codons (ATG and GTG) and two terminal codons (TAA and T) are found in protein-coding genes. The phylogenetic result shows that in this study is clustered to the ( Squalidae).
本研究首次展示了小眼侏儒鲨（角鲨目：铠鲨科）的完整线粒体基因组。它长16717bp，碱基组成为30.7%A、26.2%C、14.7%G和28.5%T，包含37个基因和一个具有脊椎动物典型顺序的控制区。在基因连接处有23bp的短基因间隔和28bp的重叠。2个rRNA基因位于重链上。22个tRNA基因长度从67bp（tRNA-）到75bp（tRNA-1）不等。在蛋白质编码基因中发现了两个起始密码子（ATG和GTG）和两个终止密码子（TAA和T）。系统发育结果表明，在本研究中它聚类到（真鲨科）。
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