Location of Vibrio anguillarum resistance-associated trait loci in half-smooth tongue sole Cynoglossus semilaevis at its microsatellite linkage map
文献类型： 外文期刊
作者： Tang Zhihong 1 ; Guo Li 1 ; Liu Yang 2 ; Shao Changwei 2 ; Chen Songlin 2 ; Yang Guanpin 1 ;
作者机构： 1.Ocean Univ China, Coll Marine Life Sci, Qingdao 266003, Peoples R China
2.Chinese Acad Fishery Sci, Yellow Sea Fisheries Inst, Qingdao 266071, Peoples R China
关键词： Cynoglossus semilaevis; Vibrio anguillarum; microsatellite; quantitative trait locus; QTL
期刊名称：CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY （ 影响因子：1.068； 五年影响因子：0.983 ）
ISSN： 0254-4059
年卷期： 2016 年 34 卷 6 期
页码：
收录情况： SCI
摘要： A cultured female half-smooth tongue sole (Cynoglossus semilaevis) was crossed with a wild male, yielding the first filial generation of pseudo-testcrossing from which 200 fish were randomly selected to locate the Vibrio anguillarum resistance trait in half-smooth tongue sole at its microsatellite linkage map. In total, 129 microsatellites were arrayed into 18 linkage groups, aeyen4 each. The map reconstructed was 852.85 cM in length with an average spacing of 7.68 cM, covering 72.07% of that expected (1 183.35 cM). The V. anguillarum resistance trait was a composite rather than a unit trait, which was tentatively partitioned into Survival time in Hours After V. anguillarum Infection (SHAVI) and Immunity of V. Anguillarum Infection (IVAI). Above a logarithm of the odds (LOD) threshold of 2.5, 18 loci relative to SHAVI and 3 relative to IVAI were identified. The 3 loci relative to IVAI explained 18.78%, 5.87% and 6.50% of the total phenotypic variation in immunity. The microsatellites bounding the 3 quantitative trait loci (QTLs) of IVAI may in future aid to the selection of V. anguillarum-immune half-smooth tongue sole varieties, and facilitate cloning the gene(s) controlling such immunity.
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