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Exposure of Mytilus galloprovincialis to Microplastics: Accumulation, Depuration and Evaluation of the Expression Levels of a Selection of Molecular Biomarkers

Animals 2023 15 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 55 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.

Ludovica Di Renzo, Federica Pizzurro, Corinne Corbau, Corinne Corbau, Luana Fiorella Mincarelli, Federica Di Giacinto, Luana Fiorella Mincarelli, Federica Pizzurro, Federica Pizzurro, Ludovica Di Renzo, Federica Di Giacinto, Federica Pizzurro, Federica Pizzurro, Federica Di Giacinto, Federica Di Giacinto, Eliana Nerone, Sara Recchi, Ludovica Di Renzo, Eliana Nerone, Eliana Nerone, Eliana Nerone, Ludovica Di Renzo, Eliana Nerone, Corinne Corbau, Corinne Corbau, Sara Recchi, Eliana Nerone, Eliana Nerone, Eliana Nerone, Massimo Ancora, Marco Di Domenico, Marco Di Domenico, Federica Di Giacinto, Federica Di Giacinto, Eliana Nerone, Marco Di Domenico, Corinne Corbau, Federica Di Giacinto, Eliana Nerone, Romolo Salini, Federica Di Giacinto, Federica Di Giacinto, Federica Di Giacinto, Massimo Ancora, Massimo Ancora, Massimo Ancora, Ludovica Di Renzo, Marco Di Domenico, Luana Fiorella Mincarelli, Luana Fiorella Mincarelli, Corinne Corbau, Ludovica Di Renzo, Luana Fiorella Mincarelli, Luana Fiorella Mincarelli, Ludovica Di Renzo, Federica Di Giacinto, Romolo Salini, Federica Di Giacinto, Corinne Corbau, Nicola Ferri Nicola Ferri Cesare Cammà, Eliana Nerone, Eliana Nerone, Romolo Salini, Corinne Corbau, Ludovica Di Renzo, Ludovica Di Renzo, Sara Recchi, Sara Recchi, Sara Recchi, Sara Recchi, Sara Recchi, Sara Recchi, Federica Di Giacinto, Sara Recchi, Sara Recchi, Nicola Ferri Federica Di Giacinto, Corinne Corbau, Federica Di Giacinto, Itana Bokan, Itana Bokan, Romolo Salini, Romolo Salini, Nicola Ferri Sara Recchi, Sara Recchi, Nicola Ferri Nicola Ferri Ludovica Di Renzo, Federica Di Giacinto, Nicola Ferri Federica Pizzurro, Federica Pizzurro, Nicola Ferri Nicola Ferri

Summary

Researchers exposed Mediterranean mussels to a realistic mixture of microplastic types and then tested whether a standard purification process could remove them. They found that purification significantly reduced microplastic contamination in the mussels and that molecular biomarkers in the gills could detect the biological effects of exposure. The study suggests that both purification protocols and molecular monitoring tools could help address microplastic risks in farmed shellfish.

Body Systems

Immune

Models

Invertebrate other

Study Type Environmental

Microplastic contamination is a growing marine environmental issue with possible consequences for seafood safety. Filter feeders are the target species for microplastic (MPs) pollution because they filter large quantities of seawater to feed. In the present study, an experimental contamination of <i>Mytilus galloprovincialis</i> was conducted using a mixture of the main types of MPs usually present in the seawater column (53% filaments, 30% fragments, 3% granules) in order to test the purification process as a potential method for removing these contaminants from bivalves intended for human consumption. A set of molecular biomarkers was also evaluated in order to detect any variations in the expression levels of some genes associated with biotransformation and detoxification, DNA repair, cellular response, and the immune system. Our results demonstrate that: (a) the purification process can significantly reduce MP contamination in <i>M. galloprovincialis</i>; (b) a differential expression level has been observed between mussels tested and in particular most of the differences were found in the gills, thus defining it as the target organ for the use of these biomarkers. Therefore, this study further suggests the potential use of molecular biomarkers as an innovative method, encouraging their use in next-generation marine monitoring programs.

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