Author:
Kračun-Kolarević Margareta,Kolarević Stoimir,Atanacković Ana,Marković Vanja,Gačić Zoran,Paunović Momir,Vuković-Gačić Branka
Abstract
Abstract
Genotoxicity of 5-fluorouracil (5-FU), etoposide (ET) and cadmium chloride (CdCl2) was evaluated in Limnodrilus udekemianus, cosmopolitan tubificid species, by alkaline single-cell gel electrophoresis (comet assay). Groups of 50 individuals were exposed in vivo in water-only short-term (96 h) tests to 5-FU (0.004, 0.04, 0.4, 4 and 40 μM), ET (0.004. 0.04, 0.4 and 4 μM) and CdCl2 (0.004, 0.04, 0.4, 4 and 40 μM). Mortality of worms was observed only for CdCl2 (4 and 40 μM). Cell viability lower than 70 % was detected for 5-FU (0.4, 4 and 40 μM), ET (4 μM) and CdCl2 (0.4 and 4 μM). All tested substances induced significant increase of DNA damage except 0.004 μM of ET. L. udekemianus being sensitive to all tested substances indicates that it can be used in ecogenotoxicology studies. Concern should be raised to cytostatics, especially to 5-FU, since concentration of 0.004 μM induced DNA damage is similar to ones detected in wastewaters.
Publisher
Springer Science and Business Media LLC
Subject
Pollution,Water Science and Technology,Ecological Modeling,Environmental Chemistry,Environmental Engineering
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