alexa Genotoxic and mutagenic effects of diesel oil water soluble fraction on a neotropical fish species.
Agri and Aquaculture

Agri and Aquaculture

Fisheries and Aquaculture Journal

Author(s): Vanzella TP, Martinez CB, Clus IM

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Abstract Numerous spills and leakages involving petroleum and its derivatives have recently occurred in Brazilian rivers. Considering the lack of information regarding the genotoxic response of neotropical fish to these events and the predominance of information regarding saltwater fish, which offers no genuine comparisons, the present work aimed to evaluate the genotoxicity and mutagenicity of the diesel water soluble fraction (DWSF) on the neotropical fish Prochilodus lineatus under acute (6, 24 and 96h) and subchronic (15 days) exposures, using the comet (SCGE) and micronucleus assays. The results indicated genotoxic and mutagenic damage in erythrocytes of P. lineatus exposed to DWSF. Comet scores for fish exposed to DWSF in all experimental periods were significantly higher than the respective negative control groups (fish exposed to clean water for the same period). The relative frequencies of micronucleated erythrocytes for P. lineatus exposed to DWSF under acute and subchronic treatment were also significantly higher than their respective negative controls. Taken together these results showed that acute and subchronic exposures to DWSF produce mutagenic and genotoxic effects on the blood cells of P. lineatus and that the combination of comet and micronucleus assays proved to be both suitable and useful in the evaluation of the genotoxicity of diesel oil due to their complementary action. This article was published in Mutat Res and referenced in Fisheries and Aquaculture Journal

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