First Line Defence Antioxidant Enzymes in Blicca bjoerkna (linnaeus, 1758) from the Belgrade Section of the Danube River
2024
Vranković, Jelena S. | Jovičić, Katarina | Đikanović, Vesna
The white bream (Blicca bjoerkna) is a common fish species in the Danube and is therefore suitable for biomonitoring studies. In this study, the activity of superoxide dismutase and catalase is investigated to evaluate the response of these two biomarkers in the liver of white bream. The fish were collected in the Danube River (Serbia) at two sites with different levels of anthropogenic pollution. The average values of the measured enzymes with a statistical significance of p<0.05 were higher at the Višnjica site than in the protected area “Veliko Ratno ostrvo”. The results indicate that a certain level of oxidative stress occurred in the fish from Višnjica, suggesting the presence of xenobiotics at this site that stimulate antioxidant enzymes.
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Publisher University of Belgrade, Technical faculty in Bor (Serbia)
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