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dc.rights.licenseopenen_US
dc.contributor.authorCORMIER, Bettie
dc.contributor.authorCACHOT, Jérôme
dc.contributor.authorBLANC, Mélanie
dc.contributor.authorCABAR, Mathieu
dc.contributor.authorCLERANDEAU, Christelle
dc.contributor.authorDUBOCQ, Florian
dc.contributor.authorLE BIHANIC, Florane
dc.contributor.authorMORIN, Benedicte
IDREF: 178000892
dc.contributor.authorZAPATA, Sarah
dc.contributor.authorBÉGOUT, Marie-Laure
dc.contributor.authorCOUSIN, Xavier
dc.date.accessioned2023-04-26T09:15:29Z
dc.date.available2023-04-26T09:15:29Z
dc.date.issued2022-09-01
dc.identifier.issn0269-7491en_US
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/173205
dc.description.abstractEnMicroplastics (MPs), widely present in aquatic ecosystems, can be ingested by numerous organisms, but their toxicity remains poorly understood. Toxicity of environmental MPs from 2 beaches located on the Guadeloupe archipelago, Marie Galante (MG) and Petit-Bourg (PB) located near the North Atlantic gyre, was evaluated. A first experiment consisted in exposing early life stages of zebrafish (Danio rerio) to MPs at 1 or 10 mg/L. The exposure of early life stages to particles in water induced no toxic effects except a decrease in larval swimming activity for both MPs exposures (MG or PB). Then, a second experiment was performed as a chronic feeding exposure over 4 months, using a freshwater fish species, zebrafish, and a marine fish species, marine medaka (Oryzias melastigma). Fish were fed with food supplemented with environmentally relevant concentrations (1% wet weight of MPs in food) of environmental MPs from both sites. Chronic feeding exposure led to growth alterations in both species exposed to either MG or PB MPs but were more pronounced in marine medaka. Ethoxyresorufin-O-deethylase (EROD) and acetylcholinesterase (AChE) activities were only altered for marine medaka. Reproductive outputs were modified following PB exposure with a 70 and 42% decrease for zebrafish and marine medaka, respectively. Offspring of both species (F1 generation) were reared to evaluate toxicity following parental exposure on unexposed larvae. For zebrafish offspring, it revealed premature mortality after parental MG exposure and parental PB exposure produced behavioural disruptions with hyperactivity of F1 unexposed larvae. This was not observed in marine medaka offspring. This study highlights the ecotoxicological consequences of short and long-term exposures to environmental microplastics relevant to coastal marine areas, which represent essential habitats for a wide range of aquatic organisms.
dc.language.isoENen_US
dc.rightsAttribution 3.0 United States*
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/us/*
dc.title.enEnvironmental microplastics disrupt swimming activity in acute exposure in Danio rerio larvae and reduce growth and reproduction success in chronic exposure in D. rerio and Oryzias melastigma
dc.title.alternativeEnvironmental Pollutionen_US
dc.typeArticle de revueen_US
dc.identifier.doi10.1016/j.envpol.2022.119721en_US
dc.subject.halSciences de l'environnementen_US
bordeaux.journalEnvironmental Pollutionen_US
bordeaux.volume308en_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.ccCC BYen_US
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Environmental%20Pollution&rft.date=2022-09-01&rft.volume=308&rft.eissn=0269-7491&rft.issn=0269-7491&rft.au=CORMIER,%20Bettie&CACHOT,%20J%C3%A9r%C3%B4me&BLANC,%20M%C3%A9lanie&CABAR,%20Mathieu&CLERANDEAU,%20Christelle&rft.genre=article


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