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题名: Genetic Diversity and Population Structure of the Critically Endangered Yangtze Finless Porpoise (Neophocaena asiaeorientalis asiaeorientalis) as Revealed by Mitochondrial and Microsatellite DNA
作者: Chen, Minmin1, 2; Zheng, Jinsong1; Wu, Min1, 2; Ruan, Rui1, 2; Zhao, Qingzhong1; Wang, Ding1
关键词: Yangtze finless porpoise ; genetic diversity ; genetic structure ; population fragmentation ; genetic conservation
刊名: INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
发表日期: 2014-07-01
DOI: 10.3390/ijms150711307
卷: 15, 期:7, 页:11307-11323
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: Ecological surveys have indicated that the population of the critically endangered Yangtze finless porpoise (YFP, Neophocaena asiaeorientalis asiaeorientalis) is becoming increasingly small and fragmented, and will be at high risk of extinction in the near future. Genetic conservation of this population will be an important component of the long-term conservation effort. We used a 597 base pair mitochondrial DNA (mtDNA) control region and 11 microsatellite loci to analyze the genetic diversity and population structure of the YFP. The analysis of both mtDNA and microsatellite loci suggested that the genetic diversity of the YFP will possibly decrease in the future if the population keeps declining at a rapid rate, even though these two types of markers revealed different levels of genetic diversity. In addition, mtDNA revealed strong genetic differentiation between one local population, Xingchang-Shishou (XCSS), and the other five downstream local populations; furthermore, microsatellite DNA unveiled fine but significant genetic differentiation between three of the local populations (not only XCSS but also Poyang Lake (PY) and Tongling (TL)) and the other local populations. With an increasing number of distribution gaps appearing in the Yangtze main steam, the genetic differentiation of local populations will likely intensify in the future. The YFP is becoming a genetically fragmented population. Therefore, we recommend attention should be paid to the genetic conservation of the YFP.
关键词[WOS]: ALLELE FREQUENCY DATA ; MULTIPLE SEQUENCE ALIGNMENT ; PHOCAENOIDES-ASIAEORIENTALIS ; INBREEDING DEPRESSION ; JAPANESE WATERS ; CLUSTAL-X ; CONSERVATION ; SOFTWARE ; BIOLOGY ; LOCI
语种: 英语
WOS记录号: WOS:000340038500008
ISSN号: 1422-0067
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/20286
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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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, Key Lab Aquat Biodivers & Conservat, Wuhan 430072, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Chen, Minmin; Zheng, Jinsong; Wu, Min; Ruan, Rui; Zhao, Qingzhong; Wang, Ding.Genetic Diversity and Population Structure of the Critically Endangered Yangtze Finless Porpoise (Neophocaena asiaeorientalis asiaeorientalis) as Revealed by Mitochondrial and Microsatellite DNA,INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES,2014,():
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文件名: Genetic Diversity and Population Structure of the Critically Endangered Yangtze Finless Porpoise (Neophocaena asiaeorientalis asiaeorientalis) as Revealed by Mitochondrial and Microsatellite DNA.pdf
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