Ethoxyresorufin- O-deethylase activity and fixed wavelength fluorescence detection of PAHs metabolites in bile in turbot ( Scophthalmus maximus L.) Exposed to a dispersed topped crude oil in a Continuous Flow System
Long term effects of sublethal concentrations of oil on the marine environment have become of general concern. Cytochrome P4501A activity (EROD) in liver and fixed wavelength fluorescence detection of PAHs metabolites (FF) have in this study been used as biomarkers for dispersed oil exposure on a lo...
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| Veröffentlicht in: | Marine environmental research 1998-07, Vol.46 (1), p.29-32 |
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| creator | Camus, Lionel Aas, Endre Børseth, Jan Fredrik |
| description | Long term effects of sublethal concentrations of oil on the marine environment have become of general concern. Cytochrome P4501A activity (EROD) in liver and fixed wavelength fluorescence detection of PAHs metabolites (FF) have in this study been used as biomarkers for dispersed oil exposure on a long term period of juvenile turbot (
Scophthalmus maximus L.). A Continuous Flow System was used to carry out the study. The fish were continuously exposed to 0.125, 0.5 or 2.0 mg litre
−1 dispersed topped crude oil for 6, 15, 24 h, 4 and 21 days followed by a 9 days recovery period in clean seawater. No induction of the cytochrome P4501A was measured. A maximum level in bile metabolites (4- to 5-fold) was recorded after 24 h of exposure revealing thereby a detoxification process, but a decline occurred from day 4 to day 21. This study demonstrated that FF detection of PAHs metabolites in bile could be a more sensitive biomarker than EROD activity in a long term exposure to sublethal concentration of oil. |
| doi_str_mv | 10.1016/S0141-1136(97)00045-7 |
| format | Article |
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| identifier | ISSN: 0141-1136 |
| ispartof | Marine environmental research, 1998-07, Vol.46 (1), p.29-32 |
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| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Agnatha. Pisces Animal, plant and microbial ecology Applied ecology Biological and medical sciences Ecotoxicology, biological effects of pollution Effects of pollution and side effects of pesticides on vertebrates Fundamental and applied biological sciences. Psychology Marine Scophthalmus maximus |
| title | Ethoxyresorufin- O-deethylase activity and fixed wavelength fluorescence detection of PAHs metabolites in bile in turbot ( Scophthalmus maximus L.) Exposed to a dispersed topped crude oil in a Continuous Flow System |
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