Organic contaminants sorbed to microplastics affect marine medaka fish early life stages development

MARINE POLLUTION BULLETIN

卷:154

Article

Le Bihanic, Florane¹  Clerandeau, Christelle¹  Cormier, Bettie^1,2  Crebassa, Jean-Claude³  Keiter, Steffen H.²  Beiras, Ricardo⁴  Morin, Benedicte¹  Begout, Marie-Laure³  Cousin, Xavier^3,5,6  Cachot, Jerome¹ 

[1] Bordeaux Univ, EPOC, UMR CNRS 5805, F-33405 Talence, France

[2] Orebro Univ, Man Technol Environm Res Ctr, Orebro, Sweden

[3] IFREMER, Lab Ressources Halieut, F-17137 Lhoumeau, France

[4] Univ Vigo, ECIMAT, Vigo 36331, Spain

[5] Univ Montpellier, IFREMER, CNRS, MARBEC,IRD, F-34250 Palavas Les Flots, France

[6] Univ Paris Saclay, GABI, INRAE, AgroParisTech, F-78350 Jouy En Josas, France

关键词: Marine medaka;    Microplastics;    Developmental toxicity;    Benzo(a)pyrene;    Perfluorooctanesulfonic acid;    Benzophenone-3;   

DOI  :  10.1016/j.marpolbul.2020.111059

来源: Elsevier

【 摘 要 】

The role of polyethylene microplastics 4-6 mu m 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 water-borne 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.

【 授权许可】

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