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学科主题: Biochemistry & Molecular Biology; Genetics & Heredity
题名: Population genetic structure of the Yangtze finless porpoise (Neophocaena phocaenoides asiaeorientalis): Implications for management and conservation
作者: Zheng, JS; Xia, JH; He, SP; Wang, D
通讯作者: Wang, D, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
关键词: Yangtze finless porpoise ; mtDNA ; genetic structure ; gene flow ; conservation
刊名: BIOCHEMICAL GENETICS
发表日期: 2005-06-01
DOI: 10.1007/s10528-005-5222-7
卷: 43, 期:5-6, 页:307-320
收录类别: SCI
文章类型: Article
部门归属: Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China; Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Biochemistry & Molecular Biology ; Genetics & Heredity
研究领域[WOS]: Biochemistry & Molecular Biology ; Genetics & Heredity
摘要: Understanding the population genetic structure is a prerequisite for conservation of a species. The degree of genetic variability characteristic of the mitochondrial DNA control region has been widely exploited in studies of population genetic structure and can be useful in identifying meaningful population subdivisions. To estimate the genetic profile of the Yangtze finless porpoise (Neophocaena phocaenoides asiaeorientalis), an endangered freshwater population endemic to China, the complete mtDNA control region was examined in 39 individuals belonging to seven different stocks inhabiting the middle and lower reaches of the Yangtze River. Very low genetic diversity was found (nucleotide diversity 0.0011 +/- 0.0002 and haplotypic diversity 0.65 +/- 0.05). The mtDNA genetic pattern of the Yangtze population appears to indicate a founder event in its evolutionary history and to support the marine origin for this population. Analyses by F-st and Phi(st) yielded statistically significant population genetic structure (F-st = 0.44, P < 0.05; phi(st) = 0.36, P < 0.05). These results may have significant implications for the management and conservation of the Yangtze finless porpoise in the future.
英文摘要: Understanding the population genetic structure is a prerequisite for conservation of a species. The degree of genetic variability characteristic of the mitochondrial DNA control region has been widely exploited in studies of population genetic structure and can be useful in identifying meaningful population subdivisions. To estimate the genetic profile of the Yangtze finless porpoise (Neophocaena phocaenoides asiaeorientalis), an endangered freshwater population endemic to China, the complete mtDNA control region was examined in 39 individuals belonging to seven different stocks inhabiting the middle and lower reaches of the Yangtze River. Very low genetic diversity was found (nucleotide diversity 0.0011 +/- 0.0002 and haplotypic diversity 0.65 +/- 0.05). The mtDNA genetic pattern of the Yangtze population appears to indicate a founder event in its evolutionary history and to support the marine origin for this population. Analyses by F-st and Phi(st) yielded statistically significant population genetic structure (F-st = 0.44, P < 0.05; phi(st) = 0.36, P < 0.05). These results may have significant implications for the management and conservation of the Yangtze finless porpoise in the future.
关键词[WOS]: MITOCHONDRIAL-DNA ; SEQUENCE ALIGNMENT ; REGION ; COALESCENT ; PHYLOGENY ; EVOLUTION ; WHALE ; TOOLS ; FLOW
语种: 英语
WOS记录号: WOS:000230174700011
ISSN号: 0006-2928
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/9224
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.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

Recommended Citation:
Jin-Song Zheng; Jun-Hong Xia; Shun-Ping He and Ding Wang.Population genetic structure of the Yangtze finless porpoise (Neophocaena phocaenoides asiaeorientalis): Implications for management and conservation,BIOCHEMICAL GENETICS,2005,43(5-6):307-320
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