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Effects of Nanoplastics on the Swimming Behaviour and Gut Microbiome of the Freshwater Amphipod Gammarus Pulex
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Effects of polymethylmethacrylate nanoplastics on the swimming behaviour and gut microbiome of the freshwater amphipod Gammarus pulex
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Researchers exposed freshwater amphipods (Gammarus pulex) to polymethylmethacrylate nanoplastics and assessed effects on swimming behavior and gut microbiome composition. They found that nanoplastic exposure altered the animals' movement patterns and shifted the microbial communities in their digestive systems. The study suggests that even nanoscale plastic particles can affect the behavior and internal biology of important freshwater invertebrates.
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Micro- and nanoplastics have been detected across a wide range of aquatic organisms from microalgae to fish, disrupting metabolic, physiological, and behavioral processes at both cellular and ecosystem levels. Their persistence and increasing abundance in oceans make them a growing food safety threat as plastic contamination moves up the aquatic food chain toward human consumption.
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