（玉黍螺目：艾氏螺科）完整线粒体基因组的特征及新腹足目的分子系统发育
Characterization of the complete mitochondrial genome of (Littorinimorpha: Ficidae) and molecular phylogeny of Caenogastropoda.
作者信息
Wang Qingzhi, Liu Hongyue, Yue Chao, Xie Xi, Li Dacheng, Liang Miao, Li Qi
机构信息
Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao, PR China.
Liaoning Ocean and Fisheries Science Research Institute, Dalian Key Laboratory of Genetic Resources for Marine Shellfish, Dalian, PR China.
出版信息
Mitochondrial DNA B Resour. 2021 Mar 19;6(3):1126-1128. doi: 10.1080/23802359.2021.1901628.
Ficidae is a family of chiefly tropical marine gastropod mollusks with approximately 20 described species. Hitherto, there are no complete mitochondrial genome (mitogenome) of Ficidae available for the Ficoidea. Here, we determined the complete mitogenome of Röding, 1798 representing the first species from the family Ficidae. The newly sequenced mitogenome consists of 13 protein-coding genes, two ribosomal genes, and 22 transfer genes. All of 13 PCGs use ATG as initiation codons and end with conventional stop codons TAA and TAG, and the genome organization is similar to those of other documented caenogastropod mitogenomes. Tonnoidea and Ficoidea were recovered as sister group in the Caenogastropoda tree.
菲科是一个主要分布在热带海域的腹足纲软体动物家族，已描述的物种约有20种。迄今为止，菲科超科尚无完整的线粒体基因组（mitogenome）。在此，我们测定了1798年命名的罗德菲螺（Röding）的完整线粒体基因组，它是菲科家族的首个物种。新测序的线粒体基因组由13个蛋白质编码基因、两个核糖体基因和22个转移基因组成。所有13个蛋白质编码基因均以ATG作为起始密码子，并以传统的终止密码子TAA和TAG结束，其基因组结构与其他已记录的新腹足类线粒体基因组相似。在新腹足类系统发育树中，鹑螺超科和菲科超科被归为姐妹群。
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