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Evolutionary Tendency of Clearhead Icefish Protosalanx hyalocranius Inferring Mitochondrial DNA Variation Analyses in Amur (Heilongjiang) River Catchment, China

文献类型： 外文期刊

作者： Tang, Fujian 1 ; Li, Darning 2 ; Liu, Wei 1 ; Li, Huiqin 3 ; Wang, Jilong 1 ; Lu, Cuiyun 1 ; Jin, Xing 1 ;

作者机构： 1.Chinese Acad Fishery Sci, Heilongjiang River Fisheries Res Inst, Harbin 150070, Heilongjiang, Peoples R China

2.Freshwater Fisheries Res Inst Jiangsu Prov, Nanjing 210017, Jiangsu, Peoples R China

3.Chinese Minist ofAgr, Remote Sensing Stn Fishery Sci, Beijing 100141, Peoples R China

关键词： Amur river catchment; Cytb gene; Evolution; Genetic diversity; Protosalanx hyalocranius

期刊名称：INTERNATIONAL JOURNAL OF AGRICULTURE AND BIOLOGY （ 影响因子：0.822； 五年影响因子：0.906 ）

ISSN： 1560-8530

年卷期： 2018 年 20 卷 10 期

页码：

收录情况： SCI

摘要： Clearhead icefish (Protosalanx hyalocranius Abbott) is a small commercial fish, which is widely transplanted in lakes and reservoirs in northern China. To detect the genetic evolution of introduced P. hyalocranius in Amur River basin, 209 individuals were sampled from Amur River (HLJ), Songhua River (SHJ), Lianhuan Lake (LHH), Xingkai Lake (XKH), and aboriginal Taihu Lake (TH), and the Cytb genes of mitochondrial DNA were sequenced. There were 35 haplotypes of gene Cytb in these populations in toto. Ten haplotypes were detected in both Amur and Songhua River, haplotype number from Lianhuan Lake is the largest (14 haplotypes), and only 5 haplotypes were detected from the Xingkai Lake population. A total of 14 haplotypes were detected from the aboriginal Taihu Lake population. Compared with the native population of Taihu Lake, new haplotypes variation accounted for 39.3-56.1% of the total haplotypes in Amur waters. Haplotype diversity was between (0.667 + 0.040) (XKH) and (0.876 +/- 0.038) (SHJ), and nucleotide diversity was between (0.00141 +/- 0.00010) (LHH) and (0.00263 +/- 0.00020) (TH), which exhibited the characteristics of low nucleotide and high haplotype diversity, while the haplotype diversity in Xingkai Lake just over the boundary value of 0.5. These data indicated that all these populations had experienced a genetic bottleneck, which was then overcomed through rapid growth of the population. The genetic distances between populations showed that there was obvious genetic differentiation between introduced populations in Amur basin and indigenous population in Taihu Lake. This research indicated that the transplantation of P. hyalocranius in the northern area of China has significantly increased the genetic diversity of this species. (C) 2018 Friends Science Publishers

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