期刊
ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY
卷 29, 期 3, 页码 541-549出版社
WILEY-BLACKWELL
DOI: 10.1002/etc.89
关键词
Vitellogenin; 11-Ketotestosterone; Detoxifying enzymes; Persistent organic pollutants; Metals
The aim of the present study is to assess aquatic ecosystem contamination using selected biochemical markers: cytochrome P450, ethoxyresorufin-O-deethylase (EROD), glutathione S-transferase (GST), tripeptide glutathione, vitellogenin, and 11-ketotestosterone in chub (Leuciscus cephalus L.). Seven locations on the Svitava and Svratka rivers (in the Brno conurbation, Czech Republic) were assessed. The results were compared with the levels of the most important inductors of these biomarkers: organic pollutants hexachlorocyclohexane (HCH), hexachlorobenzene (HCB), DDT and its metabolites, polychlorinated biphenyls, and polycyclic aromatic hydrocarbons in bottom sediment, fish muscle, and semipermeable membrane devices (SPMDs) and metals in sediment. The highest levels of pollutants were observed at sites situated downstream from Brno, especially at Modrice and Rajhradice. Significant positive correlations (p<0.05) were found between EROD activity and HCH concentration in SPMDs, and also between GST and EROD activity with HCB concentration in muscle, after adjusting for age. Environ. Toxicol. Chem. 2010; 29: 541-549. (C) 2009 SETAC
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