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Genomic evidence of population genetic differentiation in deep-sea squat lobster Shinkaia crosnieri (crustacea: Decapoda: Anomura) from Northwestern Pacific hydrothermal vent and cold seep
Cheng, Jiao1,3; Hui, Min1,3; Li, Yulong1,3; Sha, Zhongli1,2,3
2020-02-01
发表期刊DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS
ISSN0967-0637
卷号156页码:12
通讯作者Sha, Zhongli(shazl@qdio.ac.cn)
摘要The galatheid squat lobster, Shinkaia crosnieri Baba and Williams, 1998, is one of the few dominant species inhabiting both deep-sea hydrothermal vents and cold seeps. Here, we used mitochondrial cytochrome c oxidase subunit I (mtDNA COI) and nuclear genome-wide single nucleotide polymorphism (SNP) as genetic markers to investigate genetic connectivity of S. crosnieri populations from a hydrothermal vent of Okinawa Through and a cold seep of the South China Sea. MtDNA COI sequence analyses indicated that deep-sea vent population of S. crosnieri was genetically divergent from cold seep population. To obtain deep insights into the evolutionary forces driving this genetic break, we performed restriction-site associated DNA analysis to evaluate the extent of genetic differentiation in S. crosnieri inhabiting both environments on a genome-wide scale, and to assess the role of selective processes in shaping this pattern. Using the assembled survey genome of S. crosnieri as a reference, 12,963 SNPs were identified for 30 S. crosnieri specimens. The structural and principle component analyses based on SNPs supported genetic differentiation between the vent and seep populations. Evidence for local adaptation of S. crosnieri populations was confirmed by identifying increased population divergence using F-sT-based outlier tests, which resulted in 54 potentially locally selected SNPs, indicative of an important role for natural selection as a driver of genetic divergence in this species. Further studies revealed that candidate genes containing outlier SNPs were involved in diverse biological processes, including immunity, transposon and metabolic processes. Overall, our results demonstrated significant genetic divergence between the vent and seep S. crosnieri populations in the Northwestern Pacific and provided clues to understand potential genetic basis underlying local adaptation in S. crosnieri during colonization into deep-sea chemosynthetic ecosystems.
关键词Chemosynthetic fauna Population connectivity Local adaptation Single nucleotide polymorphism Cytochrome c oxidase subunit I
DOI10.1016/j.dsr.2019.103188
收录类别SCI
语种英语
资助项目National Key R&D Program of China[2018YFC0310702] ; National Key R&D Program of China[2018YFC0310802] ; National Natural Science Foundation of China[31872215] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDA22050302] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDA22050303] ; Senior User Project of RV KEXUE[KEXUE2018G21]
WOS研究方向Oceanography
WOS类目Oceanography
WOS记录号WOS:000514247800009
出版者PERGAMON-ELSEVIER SCIENCE LTD
引用统计
被引频次:17[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/337002/165545
专题中国科学院海洋研究所
通讯作者Sha, Zhongli
作者单位1.Chinese Acad Sci, Inst Oceanol, 7 Nanhai Rd, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, Qingdao 266237, Peoples R China
3.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao 266071, Peoples R China
第一作者单位中国科学院海洋研究所;  中国科学院海洋大科学研究中心
通讯作者单位中国科学院海洋研究所;  中国科学院海洋大科学研究中心
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Cheng, Jiao,Hui, Min,Li, Yulong,et al. Genomic evidence of population genetic differentiation in deep-sea squat lobster Shinkaia crosnieri (crustacea: Decapoda: Anomura) from Northwestern Pacific hydrothermal vent and cold seep[J]. DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS,2020,156:12.
APA Cheng, Jiao,Hui, Min,Li, Yulong,&Sha, Zhongli.(2020).Genomic evidence of population genetic differentiation in deep-sea squat lobster Shinkaia crosnieri (crustacea: Decapoda: Anomura) from Northwestern Pacific hydrothermal vent and cold seep.DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS,156,12.
MLA Cheng, Jiao,et al."Genomic evidence of population genetic differentiation in deep-sea squat lobster Shinkaia crosnieri (crustacea: Decapoda: Anomura) from Northwestern Pacific hydrothermal vent and cold seep".DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS 156(2020):12.
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