Microplastics, microfibres and nanoplastics cause variable sub-lethal responses in mussels (Mytilus spp.)

We compare the toxicity of microplastics, microfibres and nanoplastics on mussels. Mussels (Mytilus spp.) were exposed to 500 ng mL-1 of 20 μm polystyrene microplastics, 10 × 30 μm polyamide microfibres or 50 nm polystyrene nanoplastics for 24 h or 7 days. Biomarkers of immune response, oxidative st...

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Bibliographic Details
Published in:Marine pollution bulletin 2020-11, Vol.160, p.111552-111552, Article 111552
Main Authors: Cole, Matthew, Liddle, Corin, Consolandi, Giulia, Drago, Claudia, Hird, Cameron, Lindeque, Penelope K., Galloway, Tamara S.
Format: Article
Language:English
Subjects:
Bivalve
Debris
Ecotoxicology
Exposure
Fibres
Litter
Plastic
Pollution
Shellfish
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Summary:We compare the toxicity of microplastics, microfibres and nanoplastics on mussels. Mussels (Mytilus spp.) were exposed to 500 ng mL-1 of 20 μm polystyrene microplastics, 10 × 30 μm polyamide microfibres or 50 nm polystyrene nanoplastics for 24 h or 7 days. Biomarkers of immune response, oxidative stress response, lysosomal destabilisation and genotoxic damage were measured in haemolymph, digestive gland and gills. Microplastics and microfibres were observed in the digestive glands, with significantly higher plastic concentrations after 7-days exposure (ANOVA, P 
ISSN:0025-326X
1879-3363
DOI:10.1016/j.marpolbul.2020.111552