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Position: Home > Articles > Population genetic diversity of Percocypris pingi in Yalong River,the tributary of the Yangtze River Freshwater Fisheries 2015 (3) 14-18

雅砻江鲈鲤种群遗传结构

作  者：
岳兴建;史晋绒;王永明;李斌;邹远超;覃川杰;谢碧文;王淯;齐泽民
单  位：
内江师范学院生命科学学院长江上游鱼类资源保护与利用四川省重点实验室
关键词：
雅砻江;鲈鲤(Percocypris pingi);控制区(D_Loop);遗传结构
摘  要：
鲈鲤(Percocypris pingi)是长江上游特有珍稀鱼类。2011年6-8月,从长江上游支流雅砻江冕宁江段收集34尾鲈鲤,测定其线粒体控制区(D_Loop)序列以评估其遗传多样性。结果显示,D_Loop序列全长933~934 bp,34个D_Loop序列中定义了7个单倍型,12个多态位点,种群平均单倍型多样性Hd=0.082 0±0.042 0,核苷酸多样性Pi=0.003 6±0.000 4,说明鲈鲤种群遗传资源不丰富,结构简单。
译  名：
Population genetic diversity of Percocypris pingi in Yalong River,the tributary of the Yangtze River
作  者：
YUE Xing-jian;SHI Jin-rong;WANG Yong-ming;LI Bin;ZOU Yuan-chao;QING Chuan-jie;XIE Bi-wen;WANG Yu;QI Ze-min;School of Life Sciences,Neijiang Normal University;Key Laboratory of Sichuan Province for Fishes Conservation and Utilization in the Upper Reaches of the Yangtze River;
关键词：
Yalong River;;Percocypris pingi;;control region(D_Loop);;population genetic structure
摘  要：
The Percocypris pingi is a rare and endemic species,which only inhabits the upper reaches of the Yangtze River. From June to August,2011,34 individuals were collected from Mianning sections of Yalong River,the tributary of the Yangtze River. All sequences of the mitochondrial control region( D_Loop) in full length 933- 934 bp were used to evaluate the genetic diversity. The results showed that 7 haplotypes and 12 polymorphic sites were found. The haplotype diversity,nucleotide diversity were 0. 082 0 ± 0. 042 0 and 0. 003 6 ± 0. 000 4,respectively. Due to current dam construction and overfishing P. pingi formed small population in Yalong River. The population genetic resource was not rich and the population genetic structure was simple. The artificial propagation and releasing of P. pingi is an effective method for stock recovery.

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