IOCAS-IR
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-Xian
2019-07-03
发表期刊PeerJ
ISSN2167-8359
卷号7页码:e7242
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 FST: 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.
收录类别SCI
语种英语
WOS研究方向Zoology ; Genetics & Heredity ; Evolutionary Biology ; Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
WOS类目ZOOLOGY ; GENETICS HEREDITY ; EVOLUTIONARY BIOLOGY ; ENVIRONMENTAL SCIENCES ; METEOROLOGY ATMOSPHERIC SCIENCES
WOS记录号WOS:ZOOR15512080152
引用统计
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/164809
专题中国科学院海洋研究所
作者单位Chinese Acad Sci, Inst Oceanol, Qingdao, Shandong, China
第一作者单位中国科学院海洋研究所
推荐引用方式
GB/T 7714
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:e7242.
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,e7242.
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):e7242.
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