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Population Genomics Reveals Shallow Genetic Structure in a Connected and Ecologically Important Fish From the Northwestern Pacific Ocean
Zhang, Bai-Dong1,2,3; Li, Yu-Long1,2,3; Xue, Dong-Xiu1,2,3; Liu, Jin-Xian1,2,3
2020-05-28
Source PublicationFRONTIERS IN MARINE SCIENCE
Volume7Pages:11
Corresponding AuthorLiu, Jin-Xian(jinxianliu@gmail.com)
AbstractGenetic variation at the genomic level is invaluable to identify fish stock structure in fisheries management. It has been widely accepted that populations of marine fishes are highly connected owing to fewer barriers to gene flow and increased connectivity resulting from greater dispersal abilities. Since population genomic approaches have increased the accessibility and resolution of population genetic data, it further facilitates to study and detect previously unidentified structures as well as signatures for natural selection in wild populations. In the present study, restriction-site associated DNA (RAD) sequencing was applied to the samples of genome-wide single nucleotide polymorphisms (SNPs) of Engraulis japonicus, a small pelagic fish of ecological and economic importance in the northwestern Pacific. To assess population genetic structure as well as detection for local adaptation of E. japonicus, a total of 389 individuals from six regional populations of the northwestern Pacific were collected and a set of 12,627 SNPs was developed. Marginal significant genetic structure (average FST value was approximately equal to 0.002) was detected between regional populations of "the Bohai Sea population (BHS)" and the "the Japan Sea population (JPS)" as well as between "the North Yellow Sea population (NYS)," and the "the Japan Sea population (JPS)". Moreover, no sign of local adaptation was detected, which might be the product of high gene flow among regional populations. Overall, our results improve the understanding of fine-scale population genetic structure in E. japonicus and potentially identify management unit in this species.
Keywordpopulation genomics Engraulis japonicus single nucleotide polymorphism RAD-seq genetic structures
DOI10.3389/fmars.2020.00374
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41706162] ; China Postdoctoral Science Foundation[2018M632734] ; Youth Talent Support Program of the Laboratory for Marine Ecology and Environmental Science, Pilot National Laboratory for Marine Science and Technology (Qingdao)[LMEES-YTSP-2018-01-05]
WOS Research AreaEnvironmental Sciences & Ecology ; Marine & Freshwater Biology
WOS SubjectEnvironmental Sciences ; Marine & Freshwater Biology
WOS IDWOS:000535867000001
PublisherFRONTIERS MEDIA SA
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/167618
Collection海洋生态与环境科学重点实验室
Corresponding AuthorLiu, Jin-Xian
Affiliation1.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Ecol & Environm Sci, Qingdao, 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 Megasci, Qingdao, Shandong, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences;  Center for Ocean Mega-Science, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences;  Center for Ocean Mega-Science, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Zhang, Bai-Dong,Li, Yu-Long,Xue, Dong-Xiu,et al. Population Genomics Reveals Shallow Genetic Structure in a Connected and Ecologically Important Fish From the Northwestern Pacific Ocean[J]. FRONTIERS IN MARINE SCIENCE,2020,7:11.
APA Zhang, Bai-Dong,Li, Yu-Long,Xue, Dong-Xiu,&Liu, Jin-Xian.(2020).Population Genomics Reveals Shallow Genetic Structure in a Connected and Ecologically Important Fish From the Northwestern Pacific Ocean.FRONTIERS IN MARINE SCIENCE,7,11.
MLA Zhang, Bai-Dong,et al."Population Genomics Reveals Shallow Genetic Structure in a Connected and Ecologically Important Fish From the Northwestern Pacific Ocean".FRONTIERS IN MARINE SCIENCE 7(2020):11.
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