NDLI: Toxicity of dispersant application: biomarkers responses in gills of juvenile golden grey mullet (Liza aurata)

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Toxicity of dispersant application: biomarkers responses in gills of juvenile golden grey mullet (Liza aurata)

Content Provider	Hyper Articles en Ligne (HAL)
Author	Milinkovitch, Thomas Godefroy, Joachim Théron, Michaël Thomas-Guyon, Hélène
Abstract	Dispersant use in nearshore areas is likely to increase the exposure of aquatic organisms to petroleum. To measure the toxicity of this controversial response technique, golden grey mullets (Liza aurata) were exposed to mechanically dispersed oil, chemically dispersed oil, dispersant alone in seawater, water-soluble fraction of oil and to seawater as a control treatment. Several biomarkers were assessed in the gills (enzymatic antioxidant activities, glutathione content, lipid peroxidation) and in the gallbladder (polycylic aromatic hydrocarbons metabolites). The significant differences between chemically dispersed oil and water soluble fraction of oil highlight the environmental risk to disperse an oil slick when containment and recovery can be conducted. The lack of significance between chemically and mechanically dispersed oil suggests that dispersant application is no more toxic than the natural dispersion of the oil slick. The results of this study are of interest in order to establish dispersant use policies in nearshore areas.
Related Links	https://hal.science/hal-00647259/file/manuscript.pdf
ISSN	02697491
e-ISSN	18736424
DOI	10.1016/j.envpol.2011.04.035
Journal	Environmental Pollution
Issue Number	10
Volume Number	159
Language	English
Publisher	HAL CCSD Elsevier
Publisher Date	2011-10-01
Access Restriction	Open
Subject Keyword	glutathione PAH biliary metabolites Liza aurata. Liza aurata oxidative stress dispersed crude oil Life Sciences [q-bio] Ecology, environment
Content Type	Text
Resource Type	Article
Subject	Pollution Health, Toxicology and Mutagenesis Medicine Biochemistry, Genetics and Molecular Biology Toxicology

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