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| one publication added to basket [111742] |
Alterations in the energy budget of Arctic benthic species exposed to oil-related compounds
Olsen, G.H.; Sva, E.; Carroll, J.; Camus, L.; De Coen, W.M.; Smolders, R.; Øveraas, H.; Hylland, K. (2007). Alterations in the energy budget of Arctic benthic species exposed to oil-related compounds. Aquat. Toxicol. 83(2): 85-92. dx.doi.org/10.1016/j.aquatox.2007.03.012
In: Aquatic Toxicology. Elsevier Science: Tokyo; New York; London; Amsterdam. ISSN 0166-445X; e-ISSN 1879-1514
|  |
| Trefwoorden |
Aquatic communities > Benthos
Biomarkers
Natural resources > Mineral resources > Mineral deposits > Subsurface deposits > Fuels > Fossil fuels > Petroleum
Polycyclic hydrocarbons
PN, Arctisch [Marine Regions]
Marien/Kust |
| Author keywords |
cellular energy allocation (CEA); arctic; petroleum; PAH; biomarkers; benthos |
| Auteurs | | Top |
- Olsen, G.H.
- Sva, E.
- Carroll, J.
- Camus, L.
|
- De Coen, W.M.
- Smolders, R.
- Øveraas, H.
- Hylland, K.
|
|
| Abstract |
We studied cellular energy allocation (CEA) in three Arctic benthic species (Gammarus setosus (Amphipoda), Onisimus litoralis (Amphipoda), and Liocyma fluctuosa (Bivalvia)) exposed to oil-related compounds. The CEA biomarker measures the energy budget of organisms by biochemically assessing changes in energy available (carbohydrates, protein and lipid content) and the integrated energy consumption (electron transport system activity (ETS) as the cellular aspect of respiration). Energy budget was measured in organisms subjected to water-accommodated fraction (WAF) of crude oil and drill cuttings (DC) to evaluate whether these compounds affect the energy metabolism of the test species. We observed significantly lower CEA values and higher ETS activity in G. setosus subjected to WAF treatment compared to controls (p = 0.03). Higher CEA value and lower cellular respiration were observed in O. litoralis exposed to DC compared to controls (p = 0.02). No difference in the energy budget of L. fluctuosa was observed between the treatments (p = 0.19). Different responses to oil-related compounds between the three test species are likely the result of differences in feeding and burrowing behavior and species-specific sensitivity to petroleum-related compounds. |
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