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Hydrobiological Journal
SJR: 0.227 SNIP: 0.575 CiteScore™: 0.24

ISSN Imprimir: 0018-8166
ISSN En Línea: 1943-5991

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Hydrobiological Journal

DOI: 10.1615/HydrobJ.v51.i5.90
pages 91-100

Status of Markers of the Aquatic Environment Toxicity in Bivalve Mollusk Unio tumidus under impact of Common Municipal Pollutants

G. I. Fal'fushinskaya
Ternopil' State Pedagogical University, Ternopil', Ukraine; Ternopil Medical University
L. L. Gnatyshyna
Ternopil Teachers Training Institute Ternopil, Ukraine; Ternopil Medical University Ternopil, Ukraine
O. B. Stoliar
Ternopil Teachers Training Institute Ternopil, Ukraine


Stress-response and detoxification systems of bivalve mollusk Unio tumidus specimens from reference site after impact of triclosan (500 ng/l), ibuprofen (250 ng/l) and estrone (100 ng/l) and specimens from the site, polluted by the waste water, were compared after the exposure during 14 days. Signs of oxidative stress and genotoxicity in specimens from the polluted site were detected. In all exposed groups of mollusks prooxidative changes occurred. Triclosan and estrone caused increase of lysosomal membranes permeability, and estrone provoked increase of oxyradicals formation. The signs of genotoxicity were not observed only under the action of ibuprofen. Impact of the considered compounds, which are common components of the municipal wastewater, even at nanomolar concentrations modulated physiological and biochemical responses of the mollusk.

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