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学科主题: Biochemistry & Molecular Biology; Genetics & Heredity
题名: Genetic diversity in population of largemouth bronze gudgeon (Coreius guichenoti Sauvage et Dabry) from Yangtze River determined by microsatellite DNA analysis
作者: Zhang, Futie ; Tan, Deqing
通讯作者: Tan, DQ, Chinese Acad Sci, Key Lab Aquat Biodivers & Conservat, Inst Hydrobiol, Wuhan 430072, Peoples R China ; dqtan@ihb.ac.cn
关键词: genetic differentiation ; genetic diversity ; largemouth bronze gudgeon (Coreius guichenoti Sauvage et Dabry) ; microsatellite
刊名: GENES & GENETIC SYSTEMS
发表日期: 2010
卷: 85, 期:5, 页:351-357
收录类别: SCI
部门归属: [Zhang, Futie; Tan, Deqing] Chinese Acad Sci, Key Lab Aquat Biodivers & Conservat, Inst Hydrobiol, Wuhan 430072, Peoples R China
资助者: National Natural Science Foundation of China ; Yalong River Hydropower Development Foundation [50679095]; Executive Office of the State Council Three Gorges Project construction committee [SX2007-019]; China Yangtze Three Gorges Project Development Corporation [0714086]; MWR of China [200901011]
摘要: Largemouth bronze gudgeon (Coreius guichenoti Sauvage et Dabry 1874), one of the endemic fish species in the upper reaches of the Yangtze River in China, is a benthic and potamodromous fish that is typically found in rivers with torrential flow. Three dams in the Yangtze River, Ertan Dam, Three Gorges Dam and Gezhouba Dam, may have had vital impacts on the habitat and spawning behaviors of largemouth bronze gudgeon, and could ultimately threaten the survival of this fish. We studied the population genetic diversity of C. guichenoti samples collected at seven sites (JH, GLP, BX, HJ, MD, SDP and XB) within the Yangtze River and one of its tributaries, the Yalong River. Genetic diversity patterns were determined by analyzing genetic data from 11 polymorphic microsatellite loci. A high genetic diversity among these largemouth bronze gudgeon populations was indicated by the number of microsatellite alleles (A) and the expected heterozygosity (HE). No significant population variation occurred among GLP, BX, HJ and MD populations, but dramatic population differentiation was observed among JH and XB, two dam-blocked populations, versus other populations. Tests for bottlenecks did not indicate recent dramatic population declines and concurrent losses of genetic diversity in any largemouth bronze gudgeon populations. To the contrary, we found that dams accelerated the population differentiation of this fish.
语种: 英语
WOS记录号: WOS:000289177900006
ISSN号: 1341-7568
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/15570
Appears in Collections:水生生物多样性与资源保护研究中心_期刊论文

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Zhang, Futie; Tan, Deqing.Genetic diversity in population of largemouth bronze gudgeon (Coreius guichenoti Sauvage et Dabry) from Yangtze River determined by microsatellite DNA analysis,GENES & GENETIC SYSTEMS,2010,85(5):351-357
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文件名: Genetic diversity in population of largemouth bronze gudgeon (Coreius guichenoti Sauvage et Dabry) from Yangtze River determined by microsatellite DNA analysis.pdf
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