Genome Wide Analysis for Growth at Two Growth Stages in A New Fast-Growing Common Carp Strain (Cyprinus carpio L.)
文献类型： 外文期刊
作者： Su, Shengyan 1 ; Raouf, Bouzoualegh 1 ; He, Xinjin 1 ; Cai, Nana 1 ; Li, Xinyuan 3 ; Yu, Juhua 3 ; Li, JianLin 3 ; Yu, Fa 1 ;
作者机构： 1.Chinese Acad Fishery Sci, Key Lab Freshwater Fisheries & Germplasm Resource, Minist Agr, Wuxi 214081, Jiangsu, Peoples R China
2.Chinese Acad Fishery Sci, Freshwater Fisheries Res Ctr, Wuxi 214081, Jiangsu, Peoples R China
3.Nanjing Agr Univ, Wuxi Fisheries Coll, Wuxi 214081, Jiangsu, Peoples R China
4.Shanxi Agr Univ, Coll Anim Sci, Taigu, Peoples R China
期刊名称：SCIENTIFIC REPORTS （ 影响因子：4.379； 五年影响因子：5.133 ）
ISSN： 2045-2322
年卷期： 2020 年 10 卷 1 期
页码：
收录情况： SCI
摘要： In order to identify candidate genes or loci associated with growth performance of the newly established common carp strain, Xinlong, we conducted a genome-wide association analysis using 2b-RAD technology on 123 individuals. We constructed two sets of libraries associated with growth-related parameters (weight, length, width and depth) measured at two different grow-out stages. Among the 413,059 SNPs identified using SOAP SNP calling, 147,131 were tested for GWAS after quality filtering. Finally, 39 overlapping SNPs, assigned to four genomic locations, were associated with growth traits in two stages. These loci were assigned to functional classes related to immune response, response to stress, neurogenesis, cholesterol metabolism and development, and proliferation and differentiation of cells. By overlapping results of Plink and EMMAX analyses, we identified three genes: TOX, PLK2 and CD163 (both methods P<0.05). Our study results could be used for marker-assisted selection to further improve the growth of the Xinlong strain, and illustrate that largely different sets of genes drive the growth of carp in the early and late grow-out stages.
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