Exogenous putrescine plays a switch-like influence on the pH stress adaptability of biofilm-based activated sludge
Guanyu Jiang,
Can Wang,
Yongchao Wang
et al.
Abstract:Microbial community adaptability to pH stress plays a crucial role in biofilm formation. This study aims to investigate the regulatory mechanisms of exogenous putrescine on pH stress, as well as enhance understanding and application for the technical measures and molecular mechanisms of biofilm regulation. Findings demonstrated that exogenous putrescine acted as a switch-like distributor affecting microorganism pH stress, thus promoting biofilm formation under acid conditions while inhibiting it under alkaline… Show more
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