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Analysis of geographic and pairwise genetic distances among sheep populations.

机译：羊群中地理和成对遗传距离分析。

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摘要

This study assessed the usefulness of geographic and pairwise genetic distances in the characterization of five sheep populations using 15 microsatellite markers. The average F statistics across loci were F (IT) = 0.523 +/- 0.140, F (ST) = 0.363 +/- 0.131, and F (IS) = 0.263 +/- 0.092. The average heterozygosity was 0.716 +/- 0.069, polymorphism information content was 0.691 +/- 0.070, and effective number of alleles was 3.736 +/- 0.998. Sheep populations clustered into group 1 (Hu and Tong breeds) and group 2 (small-tailed Han, Wadi, and Tan breeds). Reynolds' distance varied from 0.0062 to 0.0499, and the range of gene flow (N (m)) was 4.8834-40.0726 among the sheep populations. The results showed that the genetic structure of the five populations was not consistent with their genetic distances, and the population genetic divergence was not linearly related to geographic distance as indicated by a Mantel test (P = 0.7936).
机译：该研究评估了使用15微卫星标记物表征五只绵羊种群的地理和成对遗传距离的有用性。 跨座位的平均F统计数据为F（IT）= 0.523 +/- 0.140，F（ST）= 0.363 +/- 0.131，F（是）= 0.263 +/- 0.092。 平均杂合子为0.716 +/- 0.069，多态性信息含量为0.691 +/- 0.070，有效数量的等位基因为3.736 +/- 0.998。 绵羊种群聚集成1组（胡和桐品种）和第2组（小尾汉，旱河和棕褐色品种）。 Reynolds的距离从0.0062变化到0.0499，并且基因流量（N（m））的范围是羊群中的4.8834-40.0726。 结果表明，五种群体的遗传结构与其遗传距离不一致，群体遗传分歧与地理距离线性相关（P = 0.7936）所示。

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