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Organic contaminants sorbed to microplastics affect marine medaka fish early life stages development
Bordeaux University, EPOC, Talence, France.
Bordeaux University, EPOC, Talence, France.
Örebro University, School of Science and Technology. Bordeaux University, EPOC, Talence, France. (Man-Technology Environment Research Center)
Ifremer, Laboratoire Ressources Halieutiques, France.
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2020 (English)In: Marine Pollution Bulletin, ISSN 0025-326X, E-ISSN 1879-3363, Vol. 154, article id 111059Article in journal (Refereed) Published
Abstract [en]

The role of polyethylene microplastics 4–6 μm size (MPs) in the toxicity of environmental compounds to fish early life stages (ELS) was investigated. Marine medaka Oryzias melastigma embryos and larvae were exposed to suspended MPs spiked with three model contaminants: benzo(a)pyrene (MP-BaP), perfluorooctanesulfonic acid (MP-PFOS) and benzophenone-3 (MP-BP3) for 12 days. There was no evidence of MPs ingestion but MPs agglomerated on the surface of the chorion. Fish ELS exposed to virgin MPs did not show toxic effects. Exposure to MP-PFOS decreased embryonic survival and prevented hatching. Larvae exposed to MP-BaP or MP-BP3 exhibited reduced growth, increased developmental anomalies and abnormal behavior. Compared to equivalent waterborne concentrations, BaP and PFOS appeared to be more embryotoxic when spiked on MPs than when alone in seawater. These results suggest a relevant pollutant transfer by direct contact of MPs to fish ELS that should be included in the ecotoxicological risk assessment of MPs. 

Place, publisher, year, edition, pages
Elsevier, 2020. Vol. 154, article id 111059
Keywords [en]
Benzo(a)pyrene, Benzophenone-3, Developmental toxicity, Marine medaka, Microplastics, Perfluorooctanesulfonic acid
National Category
Environmental Sciences
Identifiers
URN: urn:nbn:se:oru:diva-81007DOI: 10.1016/j.marpolbul.2020.111059ISI: 000528205900032PubMedID: 32319895Scopus ID: 2-s2.0-85082411289OAI: oai:DiVA.org:oru-81007DiVA, id: diva2:1421902
Funder
Swedish Research Council Formas, 2015-01865
Note

Funding Agency:

JPI Oceans program, as part of the EPHEMARE research project  ANR-15-JOCE-0002

Available from: 2020-04-06 Created: 2020-04-06 Last updated: 2020-05-12Bibliographically approved

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Cormier, BettieKeiter, Steffen

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