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Evaluating the genotoxic damages and tissue alterations in demersal fish species: a case study in the Ligurian Sea (NW-Mediterranean)
Pietrapiana, D.; Modena, M.; Guidetti, P.; Falugi, C.; Vacchi, M. (2002). Evaluating the genotoxic damages and tissue alterations in demersal fish species: a case study in the Ligurian Sea (NW-Mediterranean). Mar. Pollut. Bull. 44(3): 238-243
In: Marine Pollution Bulletin. Macmillan: London. ISSN 0025-326X; e-ISSN 1879-3363, meer
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| Auteurs | | Top |
- Pietrapiana, D.
- Modena, M.
- Guidetti, P., meer
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| Abstract |
A protocol for detecting hepatic micronuclei in fish was performed to check genotoxic damage, as an indicator of environmental hydrocarbons exposure, in relation to the "Haven" oil spill. As target fish, we have chosen three demersal species with different habitats and feeding behaviour (i.e., Lepidorhombus boscii, Merluccius merluccius and Mullus barbatus) collected from two differently impacted areas and a control site. Additional analysis was performed by histological detection of hepatic tissue damages such as the presence of necrotic and tumour-like aspects. The three studied species showed different sensitivity to environmental pollutants exposure, L. boscii resulting the more sensitive in terms of both micronuclei incidence and tissue damage. The results of this study show that: (1) the micronucleus test could be an effective and fast method to detect oil pollution; (2) a clear response of L. boscii only to oil contamination for both micronucleus test and liver tissue alterations. |
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