期刊
WATER RESEARCH
卷 111, 期 -, 页码 338-345出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.watres.2017.01.014
关键词
Membrane bioreactor; Metagenomics; Viruses; Wastewater treatment
资金
- National Science Foundation [CBET-1236393]
- Center for European, Russian, and Eurasian Studies at Michigan State University
- Office Of The Director
- Office Of Internatl Science &Engineering [1243433] Funding Source: National Science Foundation
This study assesses diversity of DNA viruses in the effluents of two membrane bioreactor (MBR) wastewater treatment plants (WWTPs): an MBR in the United States and an MBR in France. Viral diversity of these effluents is compared to that of a conventional activated sludge WWTP in the U.S. Diversity analysis indicates Herpesvirales to be the most abundant order of potentially pathogenic human DNA viruses in wastewater treated effluent in all utilities. Other potentially pathogenic human viruses detected include Adenoviridae, Parvoviridae, and Polyomaviridae. Bacteriophage order Caudovirales comprises the majority of DNA virus sequences in the effluent of all utilities. The choice of treatment process (MBR versus activated sludge reactor) utilized had no impact on effluent DNA viral diversity. In contrast, the type of disinfection applied had an impact on the viral diversity present in the effluent. (C) 2017 Elsevier Ltd. All rights reserved.
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