Isolation and characterization of 30 SNP markers in Guangdong bream (Megalobrama terminalis) by next-generation sequencing
文献类型： 外文期刊
作者： Yang, Jiping 1 ; Li, Xinhui 1 ; Li, Yuefei 1 ; Zhu, Shuli 1 ; Chen, Weitao 1 ; Li, Jie 1 ;
作者机构： 1.Chinese Acad Fishery Sci, Pearl River Fisheries Res Inst, Guangzhou 510380, Peoples R China
2.Minist Agr, Sci Observing & Expt Stn Fishery Resources & Envi, Guangzhou 510380, Peoples R China
关键词： Megalobrama terminalis; RAD-seq; SNP; Genetic diversity
期刊名称：CONSERVATION GENETICS RESOURCES （ 影响因子：0.973； 五年影响因子：0.946 ）
ISSN： 1877-7252
年卷期：
页码：
收录情况： SCI
摘要： Guangdong bream (Megalobrama terminalis) is an economically important species. However, wild Guangdong bream resources have declined sharply in recent years as a result of human disturbance and habitat destruction. Thus, it is crucial that the current resources of Guangdong bream are protected. In this study, 30 novel single nucleotide polymorphism (SNP) markers were developed based on restriction site-associated DNA sequencing (RAD-seq). The results showed that the minor allele frequency varied from 0.021 to 0.489 and that the observed heterozygosity (Ho) and expected heterozygosity (He) ranged from 0.043 to 0.638 and 0.042 to 0.506, respectively. The PIC ranged from 0.041 to 0.375. Seven loci showed significant deviations from the HWE after Bonferroni correction (p < 0.05), but no significant linkage disequilibrium was found. These SNP markers will serve as a useful tool for genetic studies and population evaluation aimed at the conservation of Guangdong bream.
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