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Effects of microplastics alone and with adsorbed benzo(a)pyrene on the gills proteome of Scrobicularia plana
Bebianno, M.J.; Mendes, V.M.; O'Donovan, S.; Carteny, C.C.; Keiter, S.; Manadas, B. (2022). Effects of microplastics alone and with adsorbed benzo(a)pyrene on the gills proteome of Scrobicularia plana. Sci. Total Environ. 842: 156895. https://dx.doi.org/10.1016/j.scitotenv.2022.156895
In: Science of the Total Environment. Elsevier: Amsterdam. ISSN 0048-9697; e-ISSN 1879-1026, meer
|   |
| Trefwoorden |
Bivalvia [WoRMS]; Scrobicularia plana (da Costa, 1778) [WoRMS]
Marien/Kust |
| Author keywords |
Microplastics; Polyethylene; Proteomics; Bivalves; Scrobicularia plana |
| Auteurs | | Top |
- Bebianno, M.J.
- Mendes, V.M.
- O'Donovan, S.
|
- Carteny, C.C.
- Keiter, S.
- Manadas, B.
|
|
| Abstract |
Microplastics (MPs) are globally present in the marine environment, but the biological effects on marine organisms at the molecular and cellular levels remain scarce. Due to their lipophilic nature, MPs can adsorb other contaminants present in the marine environment, which may increase their detrimental effects once ingested by organisms. This study investigates the effects of low-density polyethylene (PE) MPs with and without adsorbed benzo[a]pyrene (BaP) in the gills proteome of the peppery furrow shell clam, Scrobicularia plana. Clams were exposed to PE MPs (11–13 μm; 1 mg L−1) for 14 days. BaP was analyzed in whole clams' soft tissues, and a proteomic approach was applied in the gills using SWATH/DIA analysis. Proteomic responses suggest that virgin MPs cause disturbance by altering cytoskeleton and cell structure, energy metabolism, conformational changes, oxidative stress, fatty acids, DNA binding and, neurotransmission highlighting the potential risk of this type of MPs for the clam health. Conversely, when clam gills were exposed to MPs adsorbed with BaP a higher differentiation of protein expression was observed that besides changes in cytoskeleton and cell structure, oxidative stress, energy metabolism and DNA binding also induce changes in glucose metabolism, RNA binding and apoptosis. These results indicate that the presence of both stressors (MPs and BaP) have a higher toxicological risk to the health of S. plana. |
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