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Journal of Bioremediation & Biodegradation
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  • Research Article   
  • J Bioremediat Biodegrad 10:461,

Effects of Cyanobacterial Blooms on Microbial Community Distribution in Surface Sediments in Lakes

Weizhen Zhang1, Peng Gu1, Ning Wang1, Wenjie Zhu2, Mengqi Jiang3, Jian He1* and Zheng Zheng1*
1Department of Environmental Science and Engineering, Fudan University, Shanghai, PR China
2WuXi Nextcode, Shanghai, PR China
3Center for Ecological Research (CER), Kyoto University, Otsu, Shiga, Japan
*Corresponding Author (s) : Jian He, Department of Environmental Science and Engineering, Fudan University, Shanghai, PR China, Tel: +86-21- 31248911, Email: [email protected]
Zheng Zheng, Department of Environmental Science and Engineering, Fudan University, Shanghai, PR China, Tel: +86-21-31248911, Email: [email protected]

Received Date: Apr 10, 2019 / Accepted Date: Apr 18, 2019 / Published Date: Apr 25, 2019

Abstract

In order to explore the influence of cyanobacterial blooms on the sediment microbial population structure in lake waters, the cyanobacteria bloom of Zhushan Bay in Taihu Lake was taken as the research background. The cyanobacteria bloom situation was forecasted through long-term monitoring, and of the diversity and relative abundance of colonies in surface sediments were analyzed during algal blooms, based on 16s RNA high-throughput sequencing technology. The results revealed the following: (1) the cyanobacteria bloom period concentrated within June-September of each year, especially around the end of July and the beginning of August, in Zhushan Bay of Taihu Lake, and the peak of the cyanobacteria concentration period may still be maintained at approximately 1010 cells/L; (2) during cyanobacteria degradation, secondary pollution can be reduce if salvage can be finished within days after cyanobacteria accumulation; (3) during cyanobacterial blooms, the bacterial communities in surface sediments are mainly composed of Firmicutes (33.45%), Cyanobacteria (30.44%), Proteobacteria (27.17%), and Bacteroidetes (7.2%), but there are significant differences in microbial communities in different periods; (4) during cyanobacteria blooms, the microbial community in sediments participates in the circulation of nutrients through the signal transduction of various proteases, which regulates the metabolic pathway of microorganisms, further affecting the content and distribution of microorganisms in different environments through signal transduction.

Keywords: Cyanobacteria bloom; Degradation; Sediment; Microbial community

Citation: Zhang W, Gu P, Wang N, Zhu W, Jiang M, et al. (2019) Effects of Cyanobacterial Blooms on Microbial Community Distribution in Surface Sediments in Lakes. J Bioremediat Biodegrad 10: 461.

Copyright: © 2019 Zhang W, et al. This is an open-a ccess article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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