Bacteriophage ecology in biological wastewater treatment systems

Biological wastewater treatment (BWT) is currently the most widely applied approach for treating wastewater. The performance of BWT systems depends on the complex microbial communities they support. Although bacteriophages (phages), which are the viruses that infect prokaryotes, are recognized as th...

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Bibliographic Details
Published in:Applied microbiology and biotechnology 2021-07, Vol.105 (13), p.5299-5307
Main Authors: Liu, Ruyin, Li, Zong, Han, Ganghua, Cun, Shujuan, Yang, Min, Liu, Xinchun
Format: Article
Language:English
Subjects:
Bacteriophages
Biological treatment
Biological wastewater treatment
Biomedical and Life Sciences
Biotechnology
Bulking sludge
Ecology
Foaming
Life Sciences
Microbial activity
Microbial Genetics and Genomics
Microbiology
Microorganisms
Mini-Review
Phages
Physiological aspects
Prokaryotes
Properties
Sewage
Sludge
Wastewater treatment
Water treatment
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Summary:Biological wastewater treatment (BWT) is currently the most widely applied approach for treating wastewater. The performance of BWT systems depends on the complex microbial communities they support. Although bacteriophages (phages), which are the viruses that infect prokaryotes, are recognized as the most abundant life entities, understanding of their ecological roles in BWT systems remains limited. Here, we review recent progress in phage-associated researches in BWT systems, including the interactions between phage and host, polyvalent phages, the influence of phage activity on BWT performance, and the potential applications of phage-based control for sludge bulking/foaming and pathogens. The challenges and perspectives of phage ecology are also outlined, which are expected to provide implications for future research and applications. Key points • Phage-host interactions in BWT systems are summarized • Impacts of phage activities on BWT performance • Potential applications of phages in BWT systems
ISSN:0175-7598
1432-0614
DOI:10.1007/s00253-021-11414-8