Targeted deep sequencing reveals high diversity and variable dominance of bloom-forming cyanobacteria in eutrophic lakes
文献类型:期刊论文
作者 | Jiang, Yongguang1; Xiao, Peng1; Liu, Yang2; Wang, Jiangxin1; Li, Renhui3 |
刊名 | HARMFUL ALGAE |
出版日期 | 2017-04-01 |
卷号 | 64期号:1页码:42-50 |
ISSN号 | 1568-9883 |
关键词 | Cyanobacterial bloom Diversity cpcBA-IGS Pyrosequencing Eutrophication |
DOI | 10.1016/j.hal.2017.03.006 |
英文摘要 | Cyanobacterial blooms in eutrophic lakes are severe environmental problems worldwide. To characterize the spatiotemporal heterogeneity of cyanobacterial blooms, a high-throughput method is necessary for the specific detection of cyanobacteria. In this study, the cyanobacterial composition of three eutrophic waters in China (Taihu Lake, Dongqian Lake, and Dongzhen Reservoir) was determined by pyrosequencing the cpcBA intergenic spacer (cpcBA-IGS) of cyanobacteria. A total of 2585 OTUs were obtained from the normalized cpcBA-IGS sequence dataset at a distance of 0.05. The 238 most abundant OTUs contained 92% of the total sequences and were classified into six cyanobacterial groups. The water samples of Taihu Lake were dominated by Microcystis, mixed Nostocales species, Synechococcus, and unclassified cyanobacteria. Besides, all the samples from Taihu Lake were clustered together in the dendrograrn based on shared abundant OTUs. The cyanobacterial diversity in Dongqian Lake was dramatically decreased after sediment dredging and Synechococcus became exclusively dominant in this lake. The genus Synechococcus was also dominant in the surface water of Dongzhen Reservoir, while phylogenetically diverse cyanobacteria coexisted at a depth of 10 m in this reservoir. In summary, targeted deep sequencing based on cpcBA-IGS revealed a large diversity of bloom-forming cyanobacteria in eutrophic lakes and spatiotemporal changes in the composition of cyanobacterial communities. The genus Microcystis was the most abundant bloom-forming cyanobacteria in eutrophic lakes, while Synechococcus could be exclusively dominant under appropriate environmental conditions. (C) 2017 Elsevier B.V. All rights reserved. |
WOS关键词 | RIBOSOMAL-RNA GENES ; FRESH-WATER LAKE ; CLIMATE-CHANGE ; CYLINDROSPERMOPSIS-RACIBORSKII ; HIGH-THROUGHPUT ; TAIHU LAKE ; 16S RDNA ; CHINA ; SYNECHOCOCCUS ; MICROCYSTIS |
资助项目 | National Natural Science Foundation of China[31500071] ; National Natural Science Foundation of China[31470310] ; China Postdoctoral Science Foundation[2016T90801] |
WOS研究方向 | Marine & Freshwater Biology |
语种 | 英语 |
出版者 | ELSEVIER SCIENCE BV |
WOS记录号 | WOS:000400529900005 |
资助机构 | National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; 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源URL | [http://ir.ihb.ac.cn/handle/342005/32301] |
专题 | 水生生物研究所_藻类生物学及应用研究中心_期刊论文 |
通讯作者 | Li, Renhui |
作者单位 | 1.Shenzhen Univ, Coll Life Sci & Oceanog, Shenzhen Key Lab Marine Bioresource & Ecoenvironm, Shenzhen 518060, Peoples R China 2.Henan Normal Univ, Coll Life Sci, Xinxiang 453007, Peoples R China 3.Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Peoples R China |
推荐引用方式 GB/T 7714 | Jiang, Yongguang,Xiao, Peng,Liu, Yang,et al. Targeted deep sequencing reveals high diversity and variable dominance of bloom-forming cyanobacteria in eutrophic lakes[J]. HARMFUL ALGAE,2017,64(1):42-50. |
APA | Jiang, Yongguang,Xiao, Peng,Liu, Yang,Wang, Jiangxin,&Li, Renhui.(2017).Targeted deep sequencing reveals high diversity and variable dominance of bloom-forming cyanobacteria in eutrophic lakes.HARMFUL ALGAE,64(1),42-50. |
MLA | Jiang, Yongguang,et al."Targeted deep sequencing reveals high diversity and variable dominance of bloom-forming cyanobacteria in eutrophic lakes".HARMFUL ALGAE 64.1(2017):42-50. |
入库方式: OAI收割
来源:水生生物研究所
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