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题名: Genetic diversity of Microcystis populations in a bloom and its relationship to the environmental factors in Qinhuai River, China
作者: Xu, Yao1, 2; Yang, Fei2; Liu, Yang1; Wang, Zhongjie1; Wang, Jie1; Wang, Guoxiang2; Li, Renhui1
通讯作者: Wang, G.(wangguoxiang@njnu.edu.cn)
关键词: Microcystis ; ITS sequence ; Environmental factor ; Qinhuai River
刊名: MICROBIOLOGICAL RESEARCH
发表日期: 2011
DOI: 10.1016/j.micres.2011.02.005
卷: 167, 期:1, 页:20-26
收录类别: SCI
文章类型: Article
部门归属: (1) Department of Environmental Science and Engineering, College of Geography Science, Nanjing Normal University, Nanjing, 210046, China; (2) Institute of Hydrobiology, The Chinese Academy of Sciences, Wuhan, 430072, China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Microbiology
研究领域[WOS]: Microbiology
摘要: Cyanobacterial blooms, forming massive scum and various cyanotoxins, increasingly spread in a wide range of freshwater ecosystems. One heavy Microcystis bloom occurred in the entire Qinhuai River basin in 2010 summer for the first time. To determine the Microcystis populations and their spatial distributions along Qinhuai River, a molecular approach was applied by sequencing the DNA library based on the internal transcribed spacer sequences of 16-23S rRNA (ITS). The parsimony network (TCS) analysis showed that 9 groups were formed based on the main 24 genotypes, and each group was dominated by one highly represented root sequence. Marked changes in the composition and proportion of the Microcystis ITS genotype were detected from the upper to the lower reaches. The seed sources forming the bloom were probably located at 4 different locations. Furthermore, it was found that pH was the primary factor affecting the spatial distribution of the main genotype group among samples.
英文摘要: Cyanobacterial blooms, forming massive scum and various cyanotoxins, increasingly spread in a wide range of freshwater ecosystems. One heavy Microcystis bloom occurred in the entire Qinhuai River basin in 2010 summer for the first time. To determine the Microcystis populations and their spatial distributions along Qinhuai River, a molecular approach was applied by sequencing the DNA library based on the internal transcribed spacer sequences of 16-23S rRNA (ITS). The parsimony network (TCS) analysis showed that 9 groups were formed based on the main 24 genotypes, and each group was dominated by one highly represented root sequence. Marked changes in the composition and proportion of the Microcystis ITS genotype were detected from the upper to the lower reaches. The seed sources forming the bloom were probably located at 4 different locations. Furthermore, it was found that pH was the primary factor affecting the spatial distribution of the main genotype group among samples. (C) 2011 Elsevier GmbH. All rights reserved.
关键词[WOS]: FRESH-WATER LAKES ; REAL-TIME PCR ; SPATIOTEMPORAL CHANGES ; TOXIC MICROCYSTIS ; CYANOBACTERIA ; QUANTIFICATION ; AERUGINOSA
语种: 英语
WOS记录号: WOS:000298834300004
ISSN号: 0944-5013
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/16690
Appears in Collections:藻类生物学及应用研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
2.Nanjing Normal Univ, Coll Geog Sci, Dept Environm Sci & Engn, Nanjing 210046, Jiangsu, Peoples R China

Recommended Citation:
Xu, Yao (1); Yang, Fei (1); Liu, Yang (2); Wang, Zhongjie (2); Wang, Jie (2); Wang, Guoxiang (1); Li, Renhui (2) .Genetic diversity of Microcystis populations in a bloom and its relationship to the environmental factors in Qinhuai River, China,Microbiological Research,2011,167(1):20-26
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文件名: Genetic diversity of Microcystis populations in a bloom and its relationship to the environmental factors in Qinhuai River China.pdf
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