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RAD genotyping reveals fine-scale population structure and provides evidence for adaptive divergence in a commercially important fish from the northwestern Pacific Ocean
Zhang, Bai-Dong; Xue, Dong-Xiu; Li, Yu-Long; Liu, Jin-Xian1
2019-07-03
发表期刊PEERJ
ISSN2167-8359
卷号7页码:23
通讯作者Liu, Jin-Xian(jinxianliu@gmail.com)
摘要Exploring factors shaping genetic structure of marine fish is challenging due to fewer barriers to gene flow in the ocean. However, genome-wide sequence data can greatly enhance our ability to delineate previously unidentified population structure as well as potential adaptive divergence. The small yellow croaker (Larimichthys polyactis) is a commercially important fish species with high gene flow and its overwintering populations experience heterogeneous environment, suggesting possible population differentiation and adaptive divergence. To delineate patterns of population structure as well as test for signatures of local adaptation, a total of 68,666 quality filtered SNP markers were identified for 80 individuals from four overwintering populations by using restriction site-associated DNA sequencing (RAD-seq). Significant genetic differentiation among overwintering populations from the Central Yellow Sea, the South Yellow Sea and the North East China Sea were detected (Pair-wise F-ST: 0.00036-0.00390), which were consistent with population division of overwintering groups inferred from traditional ecological approaches. In addition, a total of 126 unique SNPs were detected to be significantly associated with environmental parameters (temperature, salinity and turbidity). These candidate SNPs were involved in multiple pathways such as energy metabolism and phagocytosis, suggesting they may play key roles in growth and innate immunity. Our results suggested the existence of hitherto unrecognized cryptic population structure and local adaptation in this high gene flow marine fish and thus gain new insights into the design of management strategies.
关键词Population genomics Single-nucleotide polymorphisms RAD-seq Local adaptation Larimichthys polyactis
DOI10.7717/peerj.7242
收录类别SCI
语种英语
资助项目National Natural Science Foundation of China-Shandong Joint Fund for Marine Ecology and Environmental Sciences[U1606404] ; National Natural Science Foundation of China[41706162] ; Aoshan Talents Program ; Qingdao National Laboratory of Marine Science and Technology[2015ASTP-ES05] ; China Postdoctoral Science Foundation[2018M632734] ; National Natural Science Foundation of China-Shandong Joint Fund for Marine Ecology and Environmental Sciences[U1606404] ; National Natural Science Foundation of China[41706162] ; AoShan Talents Program ; Qingdao National Laboratory of Marine Science and Technology[2015ASTP-ES05] ; China Postdoctoral Science Foundation[2018M632734]
WOS研究方向Science & Technology - Other Topics
WOS类目Multidisciplinary Sciences
WOS记录号WOS:000473602400004
出版者PEERJ INC
引用统计
被引频次:14[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/161957
专题海洋生态与环境科学重点实验室
通讯作者Liu, Jin-Xian
作者单位1.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Ecol & Environm Sci, Qingdao, Shandong, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Ecol & Environm Sci, Qingdao, Shandong, Peoples R China
3.Chinese Acad Sci, Ctr Ocean Mega Sci, Qingdao, Shandong, Peoples R China
通讯作者单位中国科学院海洋研究所
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Zhang, Bai-Dong,Xue, Dong-Xiu,Li, Yu-Long,et al. RAD genotyping reveals fine-scale population structure and provides evidence for adaptive divergence in a commercially important fish from the northwestern Pacific Ocean[J]. PEERJ,2019,7:23.
APA Zhang, Bai-Dong,Xue, Dong-Xiu,Li, Yu-Long,&Liu, Jin-Xian.(2019).RAD genotyping reveals fine-scale population structure and provides evidence for adaptive divergence in a commercially important fish from the northwestern Pacific Ocean.PEERJ,7,23.
MLA Zhang, Bai-Dong,et al."RAD genotyping reveals fine-scale population structure and provides evidence for adaptive divergence in a commercially important fish from the northwestern Pacific Ocean".PEERJ 7(2019):23.
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