基于基因组重测序的长江上游瓦氏黄颡鱼群体遗传结构

熊飞, 刘红艳, 翟东东, 段辛斌, 田辉伍, 陈大庆

Population genetic structure of Pelteobagrus vachelli in the upper Yangtze River based on genome re-sequencing

Fei Xiong, Hongyan Liu, Dongdong Zhai, Xinbin Duan, Huiwu Tian, Daqing Chen

图2 基于SNP标记分析8个瓦氏黄颡鱼群体的遗传结构。(a)由交叉验证错误率确定的最优分组数; (b) K = 3时, 所有个体的分组情况; (c) PCA聚类情况; (d) ML聚类树。样点缩写见图1。

Fig. 2 Genetic structure based on SNP markers in eight populations of Pelteobagrus vaclerii. (a) The optimal number of clusters determined by cross-validated error rate valley. (b) Population structure (K = 3) of all individuals. (c) PCA plot of every individual. (d) ML phylogenetic tree. Site abbreviations are shown in Fig. 1.