文献类型： 外文期刊
作者： Lv, Meiqi 1 ; Zhang, Yaolei 2 ; Liu, Kaiqiang 5 ; Li, Chang 2 ; Wang, Jiahao 2 ; Fan, Guangyi 2 ; Liu, Xin 2 ; Yang, Huan 1 ;
作者机构： 1.Univ Chinese Acad Sci, Sch Future Technol, Beijing, Peoples R China
2.BGI Shenzhen, BGI Qingdao, Qingdao, Peoples R China
3.BGI Shenzhen, State Key Lab Agr Genom, Shenzhen, Peoples R China
4.Tech Univ Denmark, Dept Biotechnol & Biomed, Lyngby, Denmark
5.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Key Lab Sustainable Dev Marine Fisheries, Minist Agr, Qingdao, Peoples R China
6.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Fisheries Sci & Food Prod Proc, Qingdao, Peoples R China
7.BGI Shenzhen, Shenzhen, Peoples R China
8.King Saud Univ, Dept Zool, Coll Sci, Riyadh, Saudi Arabia
9.BGI Shenzhen, Qingdao Europe Adv Inst Life Sci, Qingdao, Peoples R China
关键词： anglerfish; Lophius litulon; Lophiiformes; chromosomal evolution; metabolism
期刊名称：FRONTIERS IN GENETICS （ 影响因子：4.599； 五年影响因子：4.888 ）
ISSN：
年卷期： 2020 年 11 卷
页码：
收录情况： SCI
摘要： Anglerfishes are a highly diverse group of species with unique characteristics. Here, we report the first chromosome-level genome of a species in the order Lophiiformes, the yellow goosefish (Lophius litulon), obtained by whole genome shotgun sequencing and high-throughput chromatin conformation capture. Approximately 97.20% of the assembly spanning 709.23 Mb could be anchored to 23 chromosomes with a contig N50 of 164.91 kb. The BUSCO value was 95.4%, suggesting that the quality of the assembly was high. A comparative gene family analysis identified expanded and contracted gene families, and these may be associated with adaptation to the benthic environment and the lack of scales in the species. A majority of positively selected genes were related to metabolic processes, suggesting that digestive and metabolic system evolution expanded the diversity of yellow goosefish prey. Our study provides a valuable genetic resource for understanding the mechanisms underlying the unique features of the yellow goosefish and for investigating anglerfish evolution.
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