Impact of dispersed fuel oil on cardiac mitochondrial function in polar cod Boreogadus saida
In this study, impact of dispersed oil on cardiac mitochondrial function was assessed in a key species of Arctic marine ecosystem, the polar cod Boreogadus saida. Mature polar cod were exposed during 48 h to dispersed oil (mechanically and chemically) and dispersants alone. The increase observed in...
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| Veröffentlicht in: | Environmental science and pollution research international 2014-12, Vol.21 (24), p.13779-13788 |
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| creator | Dussauze, Matthieu Camus, Lionel Le Floch, Stéphane Pichavant-Rafini, Karine Geraudie, Perrine Coquillé, Nathalie Amérand, Aline Lemaire, Philippe Theron, Michael |
| description | In this study, impact of dispersed oil on cardiac mitochondrial function was assessed in a key species of Arctic marine ecosystem, the polar cod Boreogadus saida. Mature polar cod were exposed during 48 h to dispersed oil (mechanically and chemically) and dispersants alone. The increase observed in ethoxyresorufin-O-deethylase activity and polycyclic aromatic hydrocarbon metabolites in bile indicated no difference in contamination level between fish exposed to chemical or mechanical dispersion of oil. Oil induced alterations of O₂consumption of permeabilised cardiac fibres showing inhibitions of complexes I and IV of the respiratory chain. Oil did not induce any modification of mitochondrial proton leak. Dispersants did not induce alteration of mitochondrial activity and did not increase oil toxicity. These data suggest that oil exposure may limit the fitness of polar cod and consequently could lead to major disruption in the energy flow of polar ecosystem. |
| doi_str_mv | 10.1007/s11356-014-2618-0 |
| format | Article |
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Mature polar cod were exposed during 48 h to dispersed oil (mechanically and chemically) and dispersants alone. The increase observed in ethoxyresorufin-O-deethylase activity and polycyclic aromatic hydrocarbon metabolites in bile indicated no difference in contamination level between fish exposed to chemical or mechanical dispersion of oil. Oil induced alterations of O₂consumption of permeabilised cardiac fibres showing inhibitions of complexes I and IV of the respiratory chain. Oil did not induce any modification of mitochondrial proton leak. Dispersants did not induce alteration of mitochondrial activity and did not increase oil toxicity. 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Mature polar cod were exposed during 48 h to dispersed oil (mechanically and chemically) and dispersants alone. The increase observed in ethoxyresorufin-O-deethylase activity and polycyclic aromatic hydrocarbon metabolites in bile indicated no difference in contamination level between fish exposed to chemical or mechanical dispersion of oil. Oil induced alterations of O₂consumption of permeabilised cardiac fibres showing inhibitions of complexes I and IV of the respiratory chain. Oil did not induce any modification of mitochondrial proton leak. Dispersants did not induce alteration of mitochondrial activity and did not increase oil toxicity. These data suggest that oil exposure may limit the fitness of polar cod and consequently could lead to major disruption in the energy flow of polar ecosystem.</description><subject>Animals</subject><subject>Aquatic Pollution</subject><subject>Arctic Regions</subject><subject>Aromatic hydrocarbons</subject><subject>Atmospheric Protection/Air Quality Control/Air Pollution</subject><subject>Bile</subject><subject>Bile - metabolism</subject><subject>Biomarkers - metabolism</subject><subject>Boreogadus</subject><subject>Boreogadus saida</subject><subject>Cod</subject><subject>cod (fish)</subject><subject>Cold</subject><subject>Cytochrome P-450 CYP1A1 - metabolism</subject><subject>Dispersants</subject><subject>Earth and Environmental Science</subject><subject>ecosystems</subject><subject>Ecotoxicology</subject><subject>Electron transport</subject><subject>electron transport chain</subject><subject>Energy flow</subject><subject>Environment</subject><subject>Environmental Chemistry</subject><subject>Environmental Health</subject><subject>Fibers</subject><subject>Fish oils</subject><subject>Fish Proteins - metabolism</subject><subject>fuel oils</subject><subject>Fuel Oils - adverse effects</subject><subject>Fuel Oils - analysis</subject><subject>Gadiformes - metabolism</subject><subject>Heart</subject><subject>Hydrocarbons</subject><subject>Life Sciences</subject><subject>Marine ecosystems</subject><subject>Metabolism</subject><subject>Metabolites</subject><subject>Mitochondria</subject><subject>Mitochondria - metabolism</subject><subject>Myocardium - metabolism</subject><subject>Oil pollution</subject><subject>Oil spills</subject><subject>Oxygen consumption</subject><subject>PAHs and fish – Exposure monitoring and adverse effects – from molecular to individual level</subject><subject>Petroleum - analysis</subject><subject>Petroleum - metabolism</subject><subject>Polycyclic aromatic hydrocarbons</subject><subject>Polycyclic Aromatic Hydrocarbons - 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Mature polar cod were exposed during 48 h to dispersed oil (mechanically and chemically) and dispersants alone. The increase observed in ethoxyresorufin-O-deethylase activity and polycyclic aromatic hydrocarbon metabolites in bile indicated no difference in contamination level between fish exposed to chemical or mechanical dispersion of oil. Oil induced alterations of O₂consumption of permeabilised cardiac fibres showing inhibitions of complexes I and IV of the respiratory chain. Oil did not induce any modification of mitochondrial proton leak. Dispersants did not induce alteration of mitochondrial activity and did not increase oil toxicity. These data suggest that oil exposure may limit the fitness of polar cod and consequently could lead to major disruption in the energy flow of polar ecosystem.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer-Verlag</pub><pmid>24532208</pmid><doi>10.1007/s11356-014-2618-0</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0002-3338-5205</orcidid><orcidid>https://orcid.org/0000-0002-5794-7284</orcidid><oa>free_for_read</oa></addata></record> |
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| identifier | ISSN: 0944-1344 |
| ispartof | Environmental science and pollution research international, 2014-12, Vol.21 (24), p.13779-13788 |
| issn | 0944-1344 1614-7499 |
| language | eng |
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| source | MEDLINE; SpringerLink Journals - AutoHoldings |
| subjects | Animals Aquatic Pollution Arctic Regions Aromatic hydrocarbons Atmospheric Protection/Air Quality Control/Air Pollution Bile Bile - metabolism Biomarkers - metabolism Boreogadus Boreogadus saida Cod cod (fish) Cold Cytochrome P-450 CYP1A1 - metabolism Dispersants Earth and Environmental Science ecosystems Ecotoxicology Electron transport electron transport chain Energy flow Environment Environmental Chemistry Environmental Health Fibers Fish oils Fish Proteins - metabolism fuel oils Fuel Oils - adverse effects Fuel Oils - analysis Gadiformes - metabolism Heart Hydrocarbons Life Sciences Marine ecosystems Metabolism Metabolites Mitochondria Mitochondria - metabolism Myocardium - metabolism Oil pollution Oil spills Oxygen consumption PAHs and fish – Exposure monitoring and adverse effects – from molecular to individual level Petroleum - analysis Petroleum - metabolism Polycyclic aromatic hydrocarbons Polycyclic Aromatic Hydrocarbons - analysis Polycyclic Aromatic Hydrocarbons - metabolism Toxicity Waste Water Technology Water Management Water Pollutants, Chemical - analysis Water Pollutants, Chemical - metabolism Water Pollution Control |
| title | Impact of dispersed fuel oil on cardiac mitochondrial function in polar cod Boreogadus saida |
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