Multi-locus genomic analysis reveals the genetic diversity and population structure of the rock carp (Procypris rabaudi) in the upper Yangtze River

文献类型： 外文期刊

第一作者： Chang, Lijuan

作者： Chang, Lijuan;Wang, Dong;Song, Jun;Chang, Lijuan;Wang, Dong

作者机构：

关键词： Procypris rabaudi;Amplified fragment length polymorphism;Genetic diversity;Population structure;Conservation

期刊名称：BIOCHEMICAL SYSTEMATICS AND ECOLOGY （ 影响因子：1.381； 五年影响因子：1.351 ）

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收录情况： SCI

摘要： Rock carp [Procypris rabaudi (Tchang)] is an endemic species widely distributed throughout the upper reaches of the Yangtze River and its tributaries. Recently, the wild genetic resources of this species have markedly declined and it has been listed as vulnerable in China. Thus, conservation policies for this species are required urgently. However, information supporting decision-making on the conservation of this species is insufficient, especially at the genetic level. In this work, eight populations covering the entire natural range of the species were investigated using amplified fragments length polymorphism markers to determine the genetic diversity and population genetic structure. The results indicated that this species is characterized by moderate levels of genetic polymorphism (46.4% polymorphic loci) and genetic diversity (He = 0.163), and by moderate to high levels of differentiation among the geographical populations. Principal coordinate and Bayesian assignment analysis were used to investigate the genetic structure of this species. No genetically distinct groups among the individuals were detected. The results provided new genetic information and have wide implications for genetic assessment, fishery management and conservation of the rock carp. (C) 2016 Elsevier Ltd. All rights reserved.

分类号： Q5

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