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Title: The influence of salinity on sodium lauryl sulfate toxicity in Mytilus galloprovincialis
Author: Freitas, Rosa
Coppola, Francesca
Meucci, Valentina
Battaglia, Federica
Soares, Amadeu M. V. M.
Pretti, Carlo
Faggio, Caterina
Keywords: Personal care products
Oxidative stress
Issue Date: Oct-2021
Publisher: Elsevier
Abstract: The influence of salinity on the effects of sodium lauryl sulfate (SLS) was evaluated using the Mediterranean mussel Mytilus galloprovincialis, exposed for 28 days to SLS (control-0.0 and 4.0 mg/L) under three salinity levels (Control-30, 25 and 35). The effects were monitored using biomarkers related to metabolism and energy reserves, defence mechanisms (antioxidant and biotransformation enzymes) and cellular damage. The results revealed that non-contaminated mussels tended to maintain their metabolic capacity regardless of salinity, without activation of antioxidant defence strategies. On the contrary, although contaminated mussels presented decreased metabolic capacity at salinities 25 and 35, they were able to activate their antioxidant mechanisms, preventing cellular damage. Overall, the present findings indicate that SLS, especially under stressful salinity levels, might potentially jeopardize population survival and reproduction success since reduced metabolism and alterations on mussels' antioxidant mechanisms will impair their biochemical and, consequently, physiological performance.
Peer review: yes
DOI: 10.1016/j.etap.2021.103715
ISSN: 1382-6689
Appears in Collections:CESAM - Artigos
DBio - Artigos

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