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Article ? AI-assigned paper type based on the abstract. Classification may not be perfect — flag errors using the feedback button. Tier 2 ? Original research — experimental, observational, or case-control study. Direct primary evidence. Food & Water Gut & Microbiome Sign in to save

Dietary rayon microfibers differentially reshape rearing water and host associated microbiomes of farmed European sea bass (Dicentrarchus labrax)

Environmental Microbiome 2026
Fernando Naya-Català, Ricardo Domingo-Bretón, Ricardo S. Matias, Ricardo S. Matias, Josep Àlvar Calduch-Giner, Josep Àlvar Calduch-Giner, Álvaro Belenguer, Sónia Gomes, Lúcia Guilhermino, Federico Moroni, M. P. Valente Luísa, Jaume Pérez-Sánchez, M. Mingarro

Summary

Researchers found that feeding European sea bass rayon microfibers — a type of textile microplastic — disrupted the bacteria living in the fish's gut and in the surrounding water in a dose-dependent way. This shows that microplastic ingestion can alter the microbial communities of farmed fish, with potential implications for aquaculture health and food safety.

Models
Fish other

This study revealed a concomitant dose-dependent and dose-threshold response among the bacterial communities composing the holobiont of European sea bass in response to dietary RFs ingestion, highlighting novel bacterial taxa and pathways through which microplastic exposure may differentially reshape rearing water and host-associated microbial communities.

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