Impact of disinfection on drinking water biofilm bacterial community

被引：82

作者：

Mi, Zilong ^{[1
,2
]}

Dai, Yu ^{[3
]}

Xie, Shuguang ^{[3
]}

Chen, Chao ^{[1
,2
]}

Zhang, Xiaojian ^{[2
]}

机构：

[1] Tsinghua Univ, State Environm Protect Key Lab Microorganism Appl, Beijing 100084, Peoples R China

[2] Tsinghua Univ, Sch Environm, Beijing 100084, Peoples R China

[3] Peking Univ, Coll Environm Sci & Engn, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100871, Peoples R China

来源：

JOURNAL OF ENVIRONMENTAL SCIENCES | 2015年 / 37卷

基金：

对外科技合作项目（国际科技项目）;

关键词：

Drinking water distribution systems; Disinfection; Microbial community; High-throughput sequencing; Firmicutes; Proteobacteria; DISTRIBUTION-SYSTEM; PHYLOGENETIC DIVERSITY; NATURAL BIOFILMS; PIPE MATERIALS; BULK WATER; DYNAMICS; SEQUENCES;

D O I：

10.1016/j.jes.2015.04.008

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Disinfectants are commonly applied to control the growth of microorganisms in drinking water distribution systems. However, the effect of disinfection on drinking water microbial community remains poorly understood. The present study investigated the impacts of different disinfectants (chlorine and chloramine) and dosages on biofilm bacterial community in bench-scale pipe section reactors. Illumina MiSeq sequencing illustrated that disinfection strategy could affect both bacterial diversity and community structure of drinking water biofilm. Proteobacteria tended to predominate in chloraminated drinking water biofilms, while Firmicutes in chlorinated and unchlorinated biofilms. The major proteobacterial groups were influenced by both disinfectant type and dosage. In addition, chloramination had a more profound impact on bacterial community than chlorination. (C) 2015 The Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences. Published by Elsevier B.V.

引用

页码：200 / 205

页数：6

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