Efficient Anaerobic Metformin Biodegradation in an AnMBR Driven by a Cross-Feeding Consortium: Novel Pathways,  Enzymes, and Toxicity Dynamics
Metformin is one of the most widely prescribed antidiabetic drugs worldwide and is now ubiquitously detected in aquatic environments, yet its anaerobic biodegradation remains largely unexplored and mechanistically unresolved.