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Title: | Biochemical indicators and biomarkers in chub (Squalius cephalus L.) from the Sava River | Authors: | Mihailović, Mirjana Blagojević, Duško Ogrinc, Nives Simonović, Predrag Simić, Vladica Vidaković, Melita Dinić, Svetlana Uskoković, Aleksandra Grdović, Nevena Arambašić-Jovanović, Jelena Đorđević, Miloš Tolić, Anja Kračun-Kolarević, Margareta Kolarević, Stoimir Piria, Marina Paunović, Momir |
Keywords: | Sava River;Antioxidant enzymes;CYP4501A;Metallothioneins;Heat shock protein;Biomarkers | Issue Date: | 2016 | Publisher: | Elsevier | Project: | MANAGING THE EFFECTS OF MULTIPLE STRESSORS ON AQUATIC ECOSYSTEMS UNDER WATER SCARCITY | Journal: | Science of The Total Environment | Abstract: | Biochemical indicators and biomarkers were analyzed in the liver and gills of chub caught in three localities along the Sava River exposed to different environmental impacts. Sampling sites were: downstream from Zagreb (Zgd), downstream Sremska Mitrovica (SM) and downstream from Belgrade (Bgd). We observed that the relative amounts and levels of activity of Cu, Zn containing superoxide dismutase and glutathione in both the liver and gills, and the relative amounts of heat shock protein (HSP90) and metallothioneins in the gills were highest in the Zgd locality, suggesting a higher impact of metal pollution. The Zgd locality had higher concentrations of trace metals in the water, especially iron. In the SM and Bgd localities, higher relative levels of glutathione peroxidase and catalase were recorded (especially in SM) as compared to the Zgd locality, pointing to the presence of hydrogen peroxide and different classes of organic peroxides. Low water oxygen and high temperature levels in the Bgd locality suggesting different metabolic activity between examined locations. Our results suggest that different presence and concentrations of individual environmental factors (total environment) influence the way how fish establish homeostasis. |
URI: | https://biore.bio.bg.ac.rs/handle/123456789/3697 | ISSN: | 0048-9697 | DOI: | 10.1016/j.scitotenv.2015.06.098 |
Appears in Collections: | Journal Article |
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