Population Genetic Diversity and Differentiation of Mitten Crab, Genus Eriocheir, Based on Microsatellite Markers
文献类型： 外文期刊
作者： Wang, Shihui 1 ; Luo, Liang 1 ; Zhang, Rui 1 ; Guo, Kun 1 ; Xu, Wei 1 ; Zhao, Zhigang 1 ;
作者机构： 1.Chinese Acad Fishery Sci, Heilongjiang River Fisheries Res Inst, Key Open Lab Cold Water Fish Germplasm Resources, Harbin 150070, Peoples R China
2.CAFS, Engn Technol Res Ctr Saline Alkaline Water Fisher, Harbin 150070, Peoples R China
关键词： Eriocheir sensu stricto; genetic diversity; genetic differentiation; microsatellite
期刊名称：FISHES （ 影响因子：3.17； 五年影响因子：3.098 ）
ISSN：
年卷期： 2022 年 7 卷 4 期
页码：
收录情况： SCI
摘要： Mitten crab, Eriocheir sensu stricto, is an important indigenous aquatic species and food source in Eastern Asia. Genetic diversity is an important prerequisite for the conservation and utilization of germplasm resources. However, the genetic diversity and differentiation of Eriocheir s. s. remains unclear. This study evaluated population genetic diversity and genetic differentiation of three Eriocheir s. s. populations from Suifenhe (SFH), Liaohe (LH), and Nanliujiang (NLJ), China, based on 19 microsatellite markers. The mean observed number of alleles (N-a) was 22.84 alleles, and the mean polymorphism information content (PIC) was 0.86, which demonstrated high genetic diversity. The allele frequency distribution showed an "L" shape, ranging from 0.01 to 0.74. The genetic diversity parameter values of the LH population were higher than those of the other two populations. All pairwise F-ST values showed significant differences among the three Eriocheir s. s. populations (p < 0.01). The value of Nei's genetic distance (D-S) varied from 0.31 (between SFH and NLJ populations) to 0.33 (between SFH and LH populations). Overall, The results illustrate that the three wild Eriocheir s. s. populations have high genetic diversity and high genetic differentiation. This study provides the basis for Eriocheir s. s. utilization in China.
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