The Complete Mitochondrial Genome of Entemnotrochus rumphii, a Living Fossil for Vetigastropoda (Mollusca: Gastropoda)

被引:5
作者
Wang, Yunan [1 ,2 ,3 ]
Ma, Peizhen [1 ,4 ]
Zhang, Zhen [1 ,3 ,4 ]
Li, Cui [1 ]
Liu, Yumeng [1 ,3 ,4 ]
Chen, Ya [1 ,3 ]
Wang, Jiahui [1 ]
Wang, Haiyan [1 ,2 ,3 ,4 ]
Song, Hao [1 ,2 ,3 ]
机构
[1] Chinese Acad Sci, Inst Oceanol, 7 Nanhai Rd, Qingdao 266071, Peoples R China
[2] Qingdao Natl Lab Marine Sci & Technol, Lab Marine Ecol & Environm Sci & Marine Biol & Bi, Qingdao 266237, Peoples R China
[3] Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing 101400, Peoples R China
[4] Chinese Acad Sci, Ctr Ocean Megasci, Qingdao 266071, Peoples R China
基金
美国国家科学基金会;
关键词
Entemnotrochus rumphii; mitochondrial genome; phylogenetic analysis; Vetigastropoda; TRNASCAN-SE; PHYLOGENY; MITOGENOMICS;
D O I
10.3390/genes13112061
中图分类号
Q3 [遗传学];
学科分类号
071007 ; 090102 ;
摘要
Pleurotomarioidea represents a truly isolated and basally diverging lineage in Vetigastropoda (Mollusca: Gastropoda) whose fossil record can date back to the late Cambrian, thus providing rare insights into the evolutionary history of molluscs. Here, we sequenced and assembled the complete mitochondrial genome of one representative species from Pleurotomarioidea-Entemnotrochus rumphii (Schepman, 1879)-of which the mitogenome is 15,795 bp in length, including 13 protein-coding genes, two ribosomal RNA genes, and 22 transfer RNA genes. The nucleotide composition was biased toward AT, and A + T content reached 65.2%. E. rumphii was recovered as sister to all other living vetigastropods according to mitogenome-based phylogenetic analysis. The mitochondrial gene order was consistent with major vetigastropods and the hypothetical ancestral gastropoda, suggesting the deep conservation of mitogenome arrangement in Vetigastropoda.
引用
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页数:11
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