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学科主题: Biochemistry & Molecular Biology ; Biotechnology & Applied Microbiology ; Genetics & Heredity
题名: Population differentiation of Procypris rabaudi (Tchang) in the upper reaches of the Yangtze River revealed by mitochondrial DNA and RAPD markers
作者: He, Yongfeng1, 2; Tang, Qiongying1; Wang, Jianwei1; Liu, Huanzhang1; Tan, Deqing1
通讯作者: Wang, JW, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
关键词: genetic differentiation ; Procypris rabaudi (Tchang) ; cyt b ; RAPD ; conservation
刊名: GENES & GENOMICS
发表日期: 2008-06-01
卷: 30, 期:3, 页:223-233
收录类别: SCI
文章类型: Article
部门归属: [He, Yongfeng; Tang, Qiongying; Wang, Jianwei; Liu, Huanzhang; Tan, Deqing] Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China; [He, Yongfeng] GUCAS, Beijing 100039, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Biochemistry & Molecular Biology ; Biotechnology & Applied Microbiology ; Genetics & Heredity
研究领域[WOS]: Biochemistry & Molecular Biology ; Biotechnology & Applied Microbiology ; Genetics & Heredity
摘要: Procypris rabaudi (Tchang) is a cyprinid fish endermic to middle and upper reaches of the Yangtze River. Besides in main stream and large tributaries, there exists an early matured, small-sized ecological type in a small tributary, Tang River. In this study, mitochondrial DNA cytochrome h (cyt b) gene sequence analysis and randomly amplified polymorphic DNA (RAPD) analysis were performed to investigate the differentiation of the Tang River population from the Mudong reach population of the Yangtze River, with the purpose of conservation and exploitation of this fish. In the 1140 bps of cyt b gene sequence surveyed, 20 sites were found polymorphic, which defined 23 haplotypes. Among them, four haplotypes accounted for 54.4% of all individuals, while population-specific haplotypes occurred in low frequencies. Analysis of molecular variation on cyt b data revealed no significant partition existing between Tang River population and Mudong reach population. Analyses of 132 RAPD loci suggested that genetic variation between populations was significant, though values of different F-ST were not very high. The results revealed low genetic diversity and the beginning of population differentiation, suggesting that Tang River population should be designated as a separate Management Unit.
英文摘要: Procypris rabaudi (Tchang) is a cyprinid fish endermic to middle and upper reaches of the Yangtze River. Besides in main stream and large tributaries, there exists an early matured, small-sized ecological type in a small tributary, Tang River. In this study, mitochondrial DNA cytochrome h (cyt b) gene sequence analysis and randomly amplified polymorphic DNA (RAPD) analysis were performed to investigate the differentiation of the Tang River population from the Mudong reach population of the Yangtze River, with the purpose of conservation and exploitation of this fish. In the 1140 bps of cyt b gene sequence surveyed, 20 sites were found polymorphic, which defined 23 haplotypes. Among them, four haplotypes accounted for 54.4% of all individuals, while population-specific haplotypes occurred in low frequencies. Analysis of molecular variation on cyt b data revealed no significant partition existing between Tang River population and Mudong reach population. Analyses of 132 RAPD loci suggested that genetic variation between populations was significant, though values of different F-ST were not very high. The results revealed low genetic diversity and the beginning of population differentiation, suggesting that Tang River population should be designated as a separate Management Unit.
关键词[WOS]: SEQUENCE ALIGNMENT ; GENETIC-STRUCTURE ; CYPRINIDAE ; CONSERVATION ; BIOGEOGRAPHY ; STRATEGIES ; PHYLOGENY ; DIVERSITY ; TELEOSTEI ; SOFTWARE
语种: 英语
WOS记录号: WOS:000257547100006
ISSN号: 1976-9571
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/8064
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
2.GUCAS, Beijing 100039, Peoples R China
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