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题名: The fish diversity in the upper reaches of the Salween River, Nujiang River, revealed by DNA barcoding
作者: Chen, Weitao1, 2; Ma, Xiuhui3; Shen, Yanjun1, 2; Mao, Yuntao1, 2; He, Shunping1
刊名: SCIENTIFIC REPORTS
发表日期: 2015-11-30
DOI: 10.1038/srep17437
卷: 5
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Multidisciplinary Sciences
研究领域[WOS]: Science & Technology - Other Topics
英文摘要: Nujiang River (NR), an essential component of the biodiversity hotspot of the Mountains of Southwest China, possesses a characteristic fish fauna and contains endemic species. Although previous studies on fish diversity in the NR have primarily consisted of listings of the fish species observed during field collections, in our study, we DNA-barcoded 1139 specimens belonging to 46 morphologically distinct fish species distributed throughout the NR basin by employing multiple analytical approaches. According to our analyses, DNA barcoding is an efficient method for the identification of fish by the presence of barcode gaps. However, three invasive species are characterized by deep conspecific divergences, generating multiple lineages and Operational Taxonomic Units (OTUs), implying the possibility of cryptic species. At the other end of the spectrum, ten species (from three genera) that are characterized by an overlap between their intra-and interspecific genetic distances form a single genetic cluster and share haplotypes. The neighbor-joining phenogram, Barcode Index Numbers (BINs) and Automatic Barcode Gap Discovery (ABGD) identified 43 putative species, while the General Mixed Yule-coalescence (GMYC) identified five more OTUs. Thus, our study established a reliable DNA barcode reference library for the fish in the NR and sheds new light on the local fish diversity.
关键词[WOS]: FRESH-WATER FISHES ; GENUS SCHIZOTHORAX TELEOSTEI ; CYTOCHROME-B SEQUENCES ; SPECIES DELIMITATION ; EVOLUTIONARY GENETICS ; MOLECULAR PHYLOGENY ; CHINA TELEOSTEI ; CYPRINIDAE ; YUNNAN ; LAKE
语种: 英语
项目资助者: NSFC-Yunnan mutual funds of the National Natural Science Foundation of China(31130049 ; U1036603)
WOS记录号: WOS:000365418400001
ISSN号: 2045-2322
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/27427
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, Hubei, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 10001, Peoples R China
3.Southwest Univ, Sch Life Sci, Chongqing 400715, Peoples R China
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