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Multigenerational effects of polylactic acid microplastics on the microbiota of the sentinel copepod Eurytemora affinis
Colloid & Polymer Science
2026
Wajid Ali,
Min-Sub Kim,
Haksoo Jeong,
Duck‐Hyun Kim,
Sébastien Monchy,
Luen Luen Li,
Mian Gul Hilal,
Dil Naz,
Samira Benali,
Jeremy Thery,
Jean-Marie Raquez,
Philippe Zinck,
Sami Souissi,
Jae-Seong Lee
Summary
Researchers exposed the estuarine copepod Eurytemora affinis to polylactic acid microplastics across four generations and found significant reductions in gut microbiota diversity starting in the second generation, with enrichment of plastic-degrading bacteria and altered fatty acid metabolism pathways, though the microbiome showed signs of partial recovery after one contaminant-free generation.
Polymers
Models