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Hot and toxic: accumulation dynamics and ecotoxicological responses of mussel Mytilus galloprovincialis exposed to marine biotoxins during a marine heatwave

2025-04Journal article Open access
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dc.contributor.authorDias, Marta
dc.contributor.authorÖzkan, Busenur
dc.contributor.authorRamos, João
dc.contributor.authorMarques, António
dc.contributor.authorRosa, Rui
dc.contributor.authorReis Costa, Pedro
dc.contributor.authorMaulvault, Ana Luísa
dc.date.accessioned2025-03-10T10:23:33Z
dc.date.available2025-03-10T10:23:33Z
dc.date.issued2025-04
dc.description.abstractClimate change is increasing marine heatwaves (MHWs) frequency and severity worldwide. These extreme events often cause bivalves' mass mortality and facilitate the growth, proliferation and dispersion of toxinproducing microalgae blooms associated with threats to seafood safety. Yet, the interactive effects between MHW and uptake of marine biotoxins by biota are a novel topic still lacking thorough research, from both the ecotoxicological and seafood safety standpoints. This study assessed the effects of a MHW event on the accumulation/elimination dynamics of diarrhetic shellfish toxins in Mytilus galloprovincialis exposed to Prorocentrum lima and the ecotoxicological responses of mussels co-exposed to these two stressors. Results showed that acute exposure to +4 degrees C reduced toxins accumulation (-49 %) and elimination (-77 %) compared to control temperature. Moreover, exposure to MHW and toxins affected mussels' antioxidant activity, lipid and protein damage, and metabolism in a tissue-specific manner. These findings highlight that M. galloprovincialis can face higher vulnerability to toxins when MHW events strike.eng
dc.identifier.doi10.1016/j.marpolbul.2025.117629
dc.identifier.issn0025-326X
dc.identifier.urihttp://hdl.handle.net/10400.1/26882
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier
dc.relationMarine and Environmental Sciences Centre
dc.relationAquatic Research Infrastructure Network
dc.relation.ispartofMarine Pollution Bulletin
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/
dc.subjectProrocentrum lima
dc.subjectOxidative stress
dc.subjectHeat shock response
dc.subjectMetabolism
dc.subjectBivalves
dc.subjectOkadaic acid
dc.titleHot and toxic: accumulation dynamics and ecotoxicological responses of mussel Mytilus galloprovincialis exposed to marine biotoxins during a marine heatwaveeng
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleMarine and Environmental Sciences Centre
oaire.awardTitleAquatic Research Infrastructure Network
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04292%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/LA%2FP%2F0069%2F2020/PT
oaire.citation.startPage117629
oaire.citation.titleMarine Pollution Bulletin
oaire.citation.volume213
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameReis Costa
person.givenNamePedro
person.identifier600820
person.identifier.ciencia-idC911-9715-E547
person.identifier.orcid0000-0001-6083-470X
person.identifier.ridN-1908-2019
person.identifier.scopus-author-id7201895802
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
relation.isAuthorOfPublication24ad7119-d61f-4bdb-a5d5-9bd6e2c37312
relation.isAuthorOfPublication.latestForDiscovery24ad7119-d61f-4bdb-a5d5-9bd6e2c37312
relation.isProjectOfPublication61d0bac5-8f85-40c7-ac39-0fb64c5ff771
relation.isProjectOfPublication5af011f9-3888-449a-a18c-d08b59e87091
relation.isProjectOfPublication.latestForDiscovery61d0bac5-8f85-40c7-ac39-0fb64c5ff771

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