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Population genetic analysis of aquaculture salmonid populations in China using a 57K rainbow trout SNP array

文献类型： 外文期刊

作者： Zhang, Han-Yuan 1 ; Zhao, Zi-Xia 1 ; Xu, Jian 1 ; Xu, Peng 1 ; Bai, Qing-Li 3 ; Yang, Shi-Yong; Jiang, Li-Kun 1 ; Chen 1 ;

作者机构： 1.Chinese Acad Fishery Sci, Key Lab Aquat Genom, Beijing Key Lab Fishery Biotechnol, Minist Agr, Beijing, Peoples R China

2.Xiamen Univ, Coll Ocean & Earth Sci, Fujian Collaborat Innovat Ctr Exploitat & Utiliza, Xiamen, Peoples R China

3.Chinese Acad Fishery Sci, Heilongjiang River Fisheries Res Inst, Harbin,

期刊名称：PLOS ONE （ 影响因子：3.24； 五年影响因子：3.788 ）

ISSN： 1932-6203

年卷期： 2018 年 13 卷 8 期

页码：

收录情况： SCI

摘要： Various salmonid species are cultivated in cold water aquaculture. However, due to limited genomic data resources, specific high-throughput genotyping tools are not available to many of the salmonid species. In this study, a 57K single nucleotide polymorphism (SNP) array for rainbow trout (Oncorhynchus mykiss) was utilized to detect polymorphisms in seven salmonid species, including Hucho taimen, Oncorhynchus masou, Salvelinus fontinalis, Brachymystax lenok, Salvelinus leucomaenis, O. kisutch, and O. mykiss. The number of polymorphic markers per population ranged from 3,844 (O. kisutch) to 53,734 (O. mykiss), indicating that the rainbow trout SNP array was applicable as a universal genotyping tool for other salmonid species. Among the six other salmonid populations from four genera, 28,882 SNPs were shared, whereas 525 SNPs were polymorphic in all four genera. The genetic diversity and population relationships of the seven salmonid species were studied by principal component analysis (PCA). The phylogenetic relationships among populations were analyzed using the maximum likelihood method, which indicated that the shared SNP markers provide reliable genomic information for population genetic analyses in common aquaculture salmonid fishes. Furthermore, this obtained genomic information may be applicable for population genetic evaluation, marker-assisted breeding, and propagative parent selection in fry production.

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