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Uncovering the hidden risks of microplastics in the food chain

Trends in Microbiology 2026
Míriam Muñoz-Lapeira, José Luís Balcázar

Summary

This review highlights how microplastics in the food chain serve as surfaces for microbial colonization, potentially acting as vehicles that transfer harmful pathogens through seafood, produce, and food processing environments. The authors argue that current food safety standards are inadequate to address this microplastic-driven microbial risk and that urgent regulatory and research action is needed.

Microplastics pose hidden risks to the food chain by acting as vehicles for microbial colonization. The plastisphere may facilitate pathogen transfer through seafood, agricultural products, and food processing, raising major concerns for food safety. Standardized methodologies, stronger regulations, and further research are urgently needed to address these emerging risks.

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