Conservation genetics in Chinese sheep: diversity of fourteen indigenous sheep (Ovis aries) using microsatellite markers

文献类型： 外文期刊

第一作者： E, Guang-Xin

作者： E, Guang-Xin;Zhao, Yong-Ju;Zhang, Jia-Hua;Huang, Yong-Fu;Zhong, Tao;Ma, Yue-Hui;Gao, Hui-Jiang;He, Jian-Ning;Liu, Nan

作者机构：

关键词： China;Diversity;indigenous sheep;microsatellite

期刊名称：ECOLOGY AND EVOLUTION （ 影响因子：2.912； 五年影响因子：3.271 ）

ISSN： 2045-7758

年卷期： 2016 年 6 卷 3 期

页码：

收录情况： SCI

摘要： The domestic sheep (Ovis aries) has been an economically and culturally important farm animal species since its domestication around the world. A wide array of sheep breeds with abundant phenotypic diversity exists including domestication and selection as well as the indigenous breeds may harbor specific features as a result of adaptation to their environment. The objective of this study was to investigate the population structure of indigenous sheep in a large geographic location of the Chinese mainland. Six microsatellites were genotyped for 611 individuals from 14 populations. The mean number of alleles (+/- SD) ranged from 7.00 +/- 3.69 in Gangba sheep to 10.50 +/- 4.23 in Tibetan sheep. The observed heterozygote frequency (+/- SD) within a population ranged from 0.58 +/- 0.03 in Gangba sheep to 0.71 +/- 0.03 in Zazakh sheep and Minxian black fur sheep. In addition, there was a low pairwise difference among the Minxian black fur sheep, Mongolian sheep, Gansu alpine merino, and Lanzhou fat-tailed sheep. Bayesian analysis with the program STRUCTURE showed support for 3 clusters, revealing a vague genetic clustering pattern with geographic location. The results of the current study inferred high genetic diversity within these native sheep in the Chinese mainland.

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