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Genetic Diversity of Four Populations of Silver Carp (Hypophthalmichthys molitrix) Based on Mitochondrial Sequences

文献类型： 外文期刊

作者： Zhu, Xiaochen 1 ; Zhao, Yingying 1 ; Zheng, Xianhu 3 ; Sun, Xiaowen 3 ;

作者机构： 1.Shenyang Agr Univ, Coll Anim Sci & Vet Med, Shenyang 110866, Peoples R China

2.Flinders Univ S Australia, Coll Sci & Engn, Adelaide, SA 5042, Australia

3.Chinese Acad Fishery Sci, Heilongjiang River Fisheries Res Inst, Natl & Local Joint Engn Lab Freshwater Fish Breed, Harbin 150070, Peoples R China

关键词： Hypophthalmichthys molitrix; Genetic diversity; Mitochondrial DNA

期刊名称：BIOCHEMICAL GENETICS （ 影响因子：2.4； 五年影响因子：2.2 ）

ISSN： 0006-2928

年卷期： 2023 年 61 卷 4 期

页码：

收录情况： SCI

摘要： Three mitochondrial DNA sequences (COI, ATP 8 & 6, and D-loop) were employed to assess the genetic diversity of four populations of silver carp from three main drainages in China, including the Yangtze River, the Amur River, and the Pearl River. As a result, 98 haplotypes were identified in combined sequences of COI, ATP8 & 6, and D-loop. A total of 196 variable sites and 116 parsimony-informative sites were observed. AMOVA based on assembled sequences indicated that 12.12% of the variation was among populations, while 87.88% of the variation was within populations. Additionally, the phylogenetic relationships of populations were depicted in a phylogenetic tree based on assembled sequences. Mismatch distribution analysis and the negative significant Fu's F-s values supported population expansion in all populations. Despite the high level of genetic diversity, the establishment of a state-level original breeding farm in the Amur River basin and the Pearl River basin may be an effective conservation strategy for the protection of local unique haplotypes.

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