文献类型： 外文期刊
作者： Li, Shuo 1 ; Liu, Kaiqiang 1 ; Cui, Aijun 1 ; Hao, Xiancai 1 ; Wang, Bin 1 ; Wang, Hong-Yan 1 ; Jiang, Yan 1 ; Wang, Qian 1 ; Feng, Bo 1 ; Xu, Yongjiang 1 ; Shao, Changwei 1 ; Liu, Xuezhou 1 ;
作者机构： 1.Chinese Acad Fishery Sci, Key Lab Sustainable Dev Marine Fisheries, Minist Agr & Rural Affairs, Yellow Sea Fisheries Res Inst, Qingdao, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Fisheries Sci & Food Prod Proc, Qingdao, Peoples R China
3.Ningbo Univ, China State Key Lab Managing Biot & Chem Threats, Ningbo, Peoples R China
关键词： Seriola lalandi; genome; adaptation; rapid growth; aquaculture
期刊名称：FRONTIERS IN GENETICS （ 影响因子：4.772； 五年影响因子：4.933 ）
ISSN：
年卷期： 2022 年 12 卷
页码：
收录情况： SCI
摘要： Yellowtail kingfish (Seriola lalandi) is a pelagic marine piscivore with a circumglobal distribution. It is particularly suitable for open ocean aquaculture owing to its large body size, fast swimming, rapid growth, and high economic value. A high-precision genome is of great significance for future genetic breeding research and large-scale aquaculture in the open ocean. PacBio, Illumina, and Hi-C data were combined to assemble chromosome-level reference genome with the size of 648.34 Mb (contig N50: 28.52 Mb). 175 contigs was anchored onto 24 chromosomes with lengths ranging from 12.28 to 34.59 Mb, and 99.79% of the whole genome sequence was covered. The BUSCOs of genome and gene were 94.20 and 95.70%, respectively. Gene families associated with adaptive behaviors, such as olfactory receptors and HSP70 gene families, expanded in the genome of S. lalandi. An analysis of selection pressure revealed 652 fast-evolving genes, among which mkxb, popdc2, dlx6, and ifitm5 may be related to rapid growth traits. The data generated in this study provide a valuable resource for understanding the genetic basis of S. lalandi traits.
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