
pmid: 16168742
Schroederichthys chilensis is a common shark that lives in Chilean coastal environments. In this work, the relationship between liver 7-ethoxyresorufin-O-deethylase dealkylation (EROD) activity and Fluorescent Aromatic Compounds (FAC) in bile of S. chilensis sampled in three bays with different degrees of pollution were performed including a reference area. Sixty individuals were collected, 20 for each site; (10 males and 10 females per site) livers and bile samples were obtained and immediately frozen. EROD activity and FAC were measured according to three standard methods. EROD activity and FAC were higher in polluted areas than in the reference area. Synchronous Fluorescence Spectra of the bile from the fish collected at the most polluted area showed a peak at 347nm representing a metabolite corresponding to 1-hydroxypyrene. The low EROD activity in the reference area is likely related to the low level of PAH in sediments. We propose that this species is a good indicator of exposure to FACs, since it presents a series of characteristics that make it suitable for monitoring PAH exposure in coastal zones.
Male, Pacific Ocean, Fluorescence, Cytochrome P-450 CYP1A1, Sharks, Animals, Female, Polycyclic Aromatic Hydrocarbons, Biomarkers, Water Pollutants, Chemical
Male, Pacific Ocean, Fluorescence, Cytochrome P-450 CYP1A1, Sharks, Animals, Female, Polycyclic Aromatic Hydrocarbons, Biomarkers, Water Pollutants, Chemical
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