基于线粒体基因组推断的双髻鲨（真鲨目，双髻鲨科）的系统发育位置。
The phylogenomic position of the Winghead Shark (Carcharhiniformes, Sphyrnidae) inferred from the mitochondrial genome.
作者信息
Feutry Pierre, Kyne Peter M, Chen Xiao
机构信息
CSIRO Oceans and Atmosphere, Castray Esplanade, Hobart, Tasmania, Australia.
Research Institute for the Environment and Livelihoods, Charles Darwin University, Darwin, Northern Territory, Australia.
出版信息
Mitochondrial DNA B Resour. 2016 Jun 20;1(1):386-387. doi: 10.1080/23802359.2016.1172049.
The complete mitogenome of the Winghead Shark (Carcharhiniformes: Sphyrnidae) is determined in this study, which is 16,727 bp with a nucleotide base composition: 31.6% A, 25.7% C, 13.0% G and 29.7% T, containing 37 genes with the typical gene arrangement pattern and translate orientation in vertebrates. Two start codons (ATG and GTG) and two stop codons (TAG and TAA/T) are found in the protein-coding genes. The 22 tRNA genes range from 67 bp (tRNA- and tRNA-2) to 75 bp (tRNA-1). The phylogenetic position showed that clustered with the clade with strong posterior probability (100%).
本研究测定了双髻鲨（真鲨目：双髻鲨科）的完整线粒体基因组，其长度为16,727 bp，碱基组成为：31.6% 的A、25.7% 的C、13.0% 的G和29.7% 的T，包含37个基因，具有脊椎动物典型的基因排列模式和翻译方向。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（TAG和TAA/T）。22个tRNA基因长度从67 bp（tRNA-和tRNA-2）到75 bp（tRNA-1）不等。系统发育位置表明，其与具有高后验概率（100%）的分支聚类在一起。
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