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Long-term disruption of growth, reproduction, and behavior after embryonic exposure of zebrafish to PAH-spiked sediment ArchiMer
Vignet, Caroline; Devier, Marie-hélène; Le Menach, Karyn; Lyphout, Laura; Potier, Jeremy; Cachot, Jerome; Budzinski, Helene; Begout, Marie-laure; Cousin, Xavier.
A natural sediment spiked with three individual polycyclic aromatic hydrocarbons (PAHs; pyrene, phenanthrene and benzo[a]pyrene) was used to expose zebrafish embryos and larvae during 4 days. The total PAH concentration was 4.4 μg g−1 which is in the range found in sediment from contaminated areas. Quantification of metabolites in the larvae after exposure confirmed the actual contamination of the larvae and indicated an active metabolism especially for pyrene and benzo[a]pyrene. After a transfer in a clean medium, the larvae were reared to adulthood and evaluated for survival, growth, reproduction, and behavior. Measured endpoints revealed a late disruption of growth (appearing at 5 months) and a trend toward a lower reproductive ability. Adults of...
Tipo: Text Palavras-chave: Danio rerio; Polycyclic aromatic hydrocarbon; Lifecycle; Anxiety-like behavior; Offspring.
Ano: 2014 URL:
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