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Assessment of contamination of the Svitava and Svratka rivers in the Czech Republic using selected biochemical markers
J. Blahová, M. Havelková, K. Kruzíková, K. Hilscherová, R. Halouzka, H. Modrá, R. Grabic, J. Halírová, J. Jurcíková, T. Ocelka, D. Harustiaková, Z. Svobodová,
Language English Country United States
Document type Journal Article, Research Support, Non-U.S. Gov't
PubMed
20821476
DOI
10.1002/etc.89
Knihovny.cz E-resources
- MeSH
- Biomarkers MeSH
- Water Pollutants, Chemical analysis MeSH
- Cyprinidae metabolism MeSH
- Cytochrome P-450 CYP1A1 metabolism MeSH
- Endocrine Disruptors analysis MeSH
- Glutathione Transferase metabolism MeSH
- Environmental Monitoring MeSH
- Organic Chemicals analysis MeSH
- Rivers chemistry MeSH
- Testosterone analogs & derivatives blood MeSH
- Vitellogenins blood MeSH
- Animals MeSH
- Check Tag
- Male MeSH
- Animals MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
- Geographicals
- Czech Republic MeSH
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.
References provided by Crossref.org
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