Next-generation sequencing of the yellowfin tuna mitochondrial genome reveals novel phylogenetic relationships within the genus Thunnus
文献类型: 外文期刊
作者: Guo, Liang 1 ; Li, Mingming 1 ; Zhang, Heng 2 ; Yang, Sen 1 ; Chen, Xinghan 1 ; Meng, Zining 1 ; Lin, Haoran 1 ;
作者机构: 1.Sun Yat Sen Univ, Guangdong Prov Key Lab Aquat Econ Anim, Sch Life Sci, State Key Lab Biocontrol,Inst Aquat Econ Anim, Guangzhou 510275, Guangdong, Peoples R China
2.Chinese Acad Fishery Sci, Key Lab
关键词: Mitochondrial genome;phylogeny;thunnus albacares
期刊名称:MITOCHONDRIAL DNA PART A ( 影响因子:1.514; 五年影响因子:0.707 )
ISSN: 2470-1394
年卷期: 2016 年 27 卷 3 期
页码:
收录情况: SCI
摘要: Recently, the next-generation sequencing (NGS) technology has become a powerful tool for sequencing the teleost mitochondrial genome (mitogenome). Here, we used this technology to determine the mitogenome of the yellowfin tuna (Thunnus albacares). A total of 41,378 reads were generated by Illumina platform with an average depth of 250x. The mitogenome (16,528 bp in length) contained 37 mitochondrial genes with the similar gene order to other typical teleosts. These mitochondrial genes were encoded on the heavy strand except for ND6 and eight tRNA genes. The result of phylogenetic analysis supported two distinct clades dividing the genus Thunnus, but the tuna species of these two genetic clades were different from that of two recognized subgenus based on anatomical characters and geographical distribution. Our results might help to understand the structure, function, and evolutionary history of the yellowfin tuna mitogenome and also provide valuable new insights for phylogenetic affinity of tuna species.
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