Responses of carp hepatopancreatic 7-ethoxyresorufin-O-deethylase and glutathione-dependent enzymes to organic pollutants-a field study

Modulations of hepatopancreatic activities of cytochrome P4501A (CYP1A) and glutathione‐dependent enzymes were investigated in carp collected in five ponds with different levels of contamination. The CYP1A‐dependent 7‐ethoxyresorufin‐O‐deethylase activity was markedly induced by polycyclic aromatic...

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Veröffentlicht in:Environmental Toxicology and Chemistry 1997-07, Vol.16 (7), p.1410-1416
Hauptverfasser: Machala, Miroslav, Petřivalský, Marek, Nezveda, Karel, Ulrich, Robert, Dušek, Ladislav, Piačka, Vladimír, Svobodová, Zdenka
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container_end_page 1416
container_issue 7
container_start_page 1410
container_title Environmental Toxicology and Chemistry
container_volume 16
creator Machala, Miroslav
Petřivalský, Marek
Nezveda, Karel
Ulrich, Robert
Dušek, Ladislav
Piačka, Vladimír
Svobodová, Zdenka
description Modulations of hepatopancreatic activities of cytochrome P4501A (CYP1A) and glutathione‐dependent enzymes were investigated in carp collected in five ponds with different levels of contamination. The CYP1A‐dependent 7‐ethoxyresorufin‐O‐deethylase activity was markedly induced by polycyclic aromatic hydrocarbons present in the sediment at a total concentration of 0.9 mg/kg. Even a low organic contamination increased some of the glutathione‐dependent enzymatic activities, namely cytosolic glutathione reductase, glutathione S‐transferase toward 1‐chloro‐2,4‐dinitrobenzene, ethacrynic acid and l,2‐epoxy‐3‐(p‐nitrophenoxy)propane, and microsomal glutathione S‐transferase. These parameters should be considered as potential tools for the biomonitoring of exposure to chemicals and/or impacts of exposure. An example of a multivariate cluster and discriminant analysis of the obtained analytical and biochemical data proved to be very effectiv tools for the characterization of the level of contamination.
doi_str_mv 10.1002/etc.5620160713
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subjects Agnatha. Pisces
Animal, plant and microbial ecology
Applied ecology
Biological and medical sciences
BIOLOGICAL INDICATORS
BIOLOGICAL MARKERS
BIOLOGICAL STRESS
BIOLOGY AND MEDICINE, APPLIED STUDIES
Biomarker
Carp
CYP1A
Cyprinus carpio
Ecotoxicology, biological effects of pollution
Effects of pollution and side effects of pesticides on vertebrates
ENVIRONMENTAL SCIENCES
ENZYME ACTIVITY
FIELD TESTS
FISHES
Freshwater
Fundamental and applied biological sciences. Psychology
Glutathione enzymes
OXIDOREDUCTASES
POLYCYCLIC AROMATIC HYDROCARBONS
WATER POLLUTION
title Responses of carp hepatopancreatic 7-ethoxyresorufin-O-deethylase and glutathione-dependent enzymes to organic pollutants-a field study
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