Biocide triclosan impairs byssus formation in marine mussels Mytilus galloprovincialis
2018
Motta, C.M. | Tizzano, M. | Tagliafierro, A.M. | Simoniello, P. | Panzuto, R. | Esposito, L. | Migliaccio, V. | Rosati, L. | Avallone, B.
The effects of the biocide Triclosan, used in personal care products and known as a common environmental contaminant, on byssal apparatus were studied in the marine mussel Mytilus galloprovincialis. Experimental evidences indicated that an exposure for 7 days at a concentration of 10 μg/L induced marked alterations in the byssus gland resulting in a significant delay in byssus regrowth and in a decrease in threads resistance to traction. Such alterations in animals exposed to tidal and waves action would cause a significant loss in ecological fitness and severely impact on mussel survival. Triclosan release in coastal environments therefore should be more carefully monitored to prevent drastic consequences.
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