中国科学院生态环境研究中心机构知识库
Advanced  
RCEES OpenIR  > 中国科学院环境生物技术重点实验室  > 期刊论文
题名: Detailed comparison of bacterial communities during seasonal sludge bulking in a municipal wastewater treatment plant
作者: Wang, Ping; Yu, Zhisheng; Qi, Rong; Zhang, Hongxun
刊名: WATER RESEARCH
出版日期: 2016-11-15
卷号: 105, 页码:157-166
关键词: Wastewater treatment plant ; Sludge bulking ; Bacterial community ; Filamentous bacteria
DOI: 10.1016/j.watres.2016.08.050
部门归属: 中国科学院环境生物技术重点实验室
英文摘要: In this study, pyrosequencing combined with clone library analysis, qPCR, and fluorescent in situ hybridization (FISH) were performed to identify detailed changes of bacterial and filamentous bacterial communities in activated sludge (AS) in 3 types of typical AS samples: sludge bulking (B-AS), excessive bulking (EB-AS), and non-bulking (N-AS). Sludge bulking resulted in a decrease in total bacterial numbers from (6.4 +/- 0.18) x 10(8) gene copies/mL in N-AS to (2.4 +/- 0.22) x 10(8) in EB-AS and a decrease in bacterial diversity from 2757 OTUs in N-AS to 2217 OTUs in EB-AS. With the occurrence of sludge bulking, Actinobacteria and Firmicutes increased sharply, whereas Proteobacteria, which was the predominant phylum in N-AS, decreased markedly. In addition, Nitrospirae, a major lineage of the nitrite-oxidizing bacteria, had quite a low abundance in EB-AS (0.15%), while it was relatively high in N-AS (1.17%). On the other hand, filamentous bacteria accounted for 28.77% and 5.72% of total sequences in EB-AS and N-AS, respectively. More interestingly, 11 types of filamentous bacteria were always present in 3 types of typical AS samples from different stages of sludge bulking, and most of them enriched in EB-AS compared to N-AS. It is noteworthy that, in addition to the frequently reported filamentous bacteria such as Candidates M. parvicella and Tetrasphaera, novel filamentous species of Trichococcus might exist in this bulking WWTP. Our results reveal that sludge bulking are derived from diverse taxa, which expands previous understanding and provides new insight into the underlying complications of the bulking phenomenon in AS. (C) 2016 Elsevier Ltd. All rights reserved.
收录类别: SCI
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.rcees.ac.cn/handle/311016/36114
Appears in Collections:中国科学院环境生物技术重点实验室_期刊论文

Files in This Item: Download All
File Name/ File Size Content Type Version Access License
Detailed comparison of bacterial communities during seasonal sludge bulking in a municipal wastewater treatment plant.pdf(1687KB)期刊论文作者接受稿开放获取View Download
Service
Recommend this item
Sava as my favorate item
Show this item's statistics
Export Endnote File
Google Scholar
Similar articles in Google Scholar
[Wang, Ping]'s Articles
[Yu, Zhisheng]'s Articles
[Qi, Rong]'s Articles
CSDL cross search
Similar articles in CSDL Cross Search
[Wang, Ping]‘s Articles
[Yu, Zhisheng]‘s Articles
[Qi, Rong]‘s Articles
Related Copyright Policies
Null
Social Bookmarking
Add to CiteULike Add to Connotea Add to Del.icio.us Add to Digg Add to Reddit
文件名: Detailed comparison of bacterial communities during seasonal sludge bulking in a municipal wastewater treatment plant.pdf
格式: Adobe PDF
此文件暂不支持浏览
所有评论 (0)
暂无评论
 
评注功能仅针对注册用户开放,请您登录
您对该条目有什么异议,请填写以下表单,管理员会尽快联系您。
内 容:
Email:  *
单位:
验证码:   刷新
您在IR的使用过程中有什么好的想法或者建议可以反馈给我们。
标 题:
 *
内 容:
Email:  *
验证码:   刷新

Items in IR are protected by copyright, with all rights reserved, unless otherwise indicated.

 

 

Valid XHTML 1.0!
Copyright © 2007-2017  中国科学院生态环境研究中心 - Feedback
Powered by CSpace