Erratum to "Efficient anaerobic metformin biodegradation driven by a cross-feeding consortium: novel pathways, enzymes, and toxicity dynamics" [Bioresource Technology 450 (2026) 134473].
Wang X, Liang BJ, Wu DN, Zhang XM, Zhao HP
Phytoremediation
PubMedMetformin washes off farms and gardens through runoff and irrigation water, accumulating in soils where it can disrupt the microbial communities that keep your garden healthy — finding microbes that can fully break it down is a step toward cleaner soil and water.
Metformin is one of the most prescribed diabetes medications in the world, and it passes through our bodies and wastewater systems mostly intact, ending up in rivers, soils, and eventually farm fields. Scientists originally reported finding a team of microbes that can work together — even without oxygen — to completely break this drug down using newly discovered biological tools. This paper is a correction to that study, updating or clarifying details in the original findings.
Key Findings
A microbial consortium can degrade metformin under anaerobic (oxygen-free) conditions, relevant to sediment and waterlogged soil environments
Novel enzymatic pathways were identified for metformin breakdown, expanding understanding of pharmaceutical biodegradation
Toxicity dynamics of metformin and its breakdown products were characterized, though specific data values are unavailable from this erratum notice
chevron_right Technical Summary
A correction notice was issued for a 2026 study on breaking down metformin — a widely used diabetes drug — using a community of microbes working together without oxygen. The original research identified new biological pathways and enzymes for degrading this pharmaceutical contaminant in wastewater.
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