Mostrar el registro sencillo del ítem

The underestimated toxic effects of nanoplastics coming from marine sources: A demonstration on oysters (Isognomon alatus)

dc.rights.licenseopenen_US
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorARINI, Adeline
dc.contributor.authorGIGAULT, Julien
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorVENEL, Zelie
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorBERTUCCI, Anthony
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorBAUDRIMONT, Magalie
IDREF: 105696722
dc.date.accessioned2023-06-26T13:41:14Z
dc.date.available2023-06-26T13:41:14Z
dc.date.issued2022-05-01
dc.identifier.issn0045-6535en_US
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/182825
dc.description.abstractEnThis study aims to assess the potential toxicity of (1) nanoplastics (NPs) issued from the fragmentation of larger plastic particles collected on the Caribbean marine coast (NP-G), and (2) polystyrene NPs (NP-PS), commonly used in the literature, on Caribbean swamp oysters (Isognomon alatus). Oysters were exposed to 7.5 and 15 μg.L−1 of each type of NPs, combined or not with arsenic (As) at 1 mg.L−1 for one week before molecular analyses at gene levels. Overall, the NP-G triggered more significant changes than NP-PS, especially when combined with As. Genes involved in the mitochondrial metabolism were strongly up-regulated in most of the conditions tested (up to 11.6 fold change for the NP-PS exposure at 7.5 μg.L−1 for the 12s). NPs in combination with As or not triggered a response against oxidative stress, with an intense repression of cat and sod1 (0.01 fold-changes for the NP-G condition at 7.5 μg.L−1). Both NP-G and NP-PS combined or not with As led to an up-regulation of apoptotic genes p53 and bax (up to 59.3 fold-changes for bax in the NP-G condition with As). Our study reported very innovative molecular results on oysters exposed to NPs from environmental sources. Our results suggest that the composition, surface charge, size, and the adsorbed contaminants of plastics from the natural environment may have synergic effects with plastic, which are underestimated when using manufactured NPs as NP-PS in ecotoxicological studies.
dc.description.sponsorshipNanoparticules de plastiques dans l'environnement: source, impact et prédiction - ANR-17-CE34-0008en_US
dc.language.isoENen_US
dc.title.enThe underestimated toxic effects of nanoplastics coming from marine sources: A demonstration on oysters (Isognomon alatus)
dc.title.alternativeChemosphereen_US
dc.typeArticle de revueen_US
dc.identifier.doi10.1016/j.chemosphere.2022.133824en_US
dc.subject.halSciences de l'environnementen_US
bordeaux.journalChemosphereen_US
bordeaux.volume295en_US
bordeaux.hal.laboratoriesEPOC : Environnements et Paléoenvironnements Océaniques et Continentaux - UMR 5805en_US
bordeaux.institutionUniversité de Bordeauxen_US
bordeaux.institutionCNRSen_US
bordeaux.teamEAen_US
bordeaux.peerReviewedouien_US
bordeaux.inpressnonen_US
hal.exportfalse
dc.rights.ccPas de Licence CCen_US
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Chemosphere&rft.date=2022-05-01&rft.volume=295&rft.eissn=0045-6535&rft.issn=0045-6535&rft.au=ARINI,%20Adeline&GIGAULT,%20Julien&VENEL,%20Zelie&BERTUCCI,%20Anthony&BAUDRIMONT,%20Magalie&rft.genre=article


Archivos en el ítem

ArchivosTamañoFormatoVer

No hay archivos asociados a este ítem.

Este ítem aparece en la(s) siguiente(s) colección(ones)

Mostrar el registro sencillo del ítem