Assessment of Na+/K+-ATPase, Mg2+-ATPase, Ca2+-ATPase, and Total-ATPase Activities in Gills of Freshwater Mussels Exposed to Penconazole
Abstract
Penconazole,
a triazole fungicide, is widely used worldwide to increase agricultural
production and to control fungus. Bivalves, especially mussels, are specific
biomonitor organisms of pollution in aquatic ecosystems. This study deals with
the possible toxic effects of exposure to penconazole on Na+/K+-ATPase,
Mg2+-ATPase, Ca2+-ATPase, and Total-ATPase activities in
the gills of freshwater mussels (Unio
mancus). In this context, freshwater mussels were exposed to different
concentrations of penconazole (1, 10, 100, and 1000 µg AI L-1) in 96
hours static-renewal test system. The commercial form of penconazole (TOPAS®
100 EC, Syngenta, Germany) was used in toxicity tests. The actual penconazole
concentrations in the exposure media were determined by LC-MS/MS analysis.
According to the LC-MS/MS analysis results, the actual penconazole
concentrations in the exposure media were determined to be approximately 25%
lower than the nominal penconazole concentrations. After 96 hours of exposure,
the highest concentration of penconazole caused significant inhibition of
ATPase activities except Mg2+-ATPase activity (P < 0.05). The
observed data indicated that acute penconazole exposure may be a potential risk
for freshwater mussels and that ATPase enzymes are important and useful
biochemical markers for aquatic toxicology studies.
Keywords
References
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Details
Primary Language
English
Subjects
Structural Biology
Journal Section
Research Article
Authors
Ertan Yoloğlu
*
0000-0002-9730-9471
Türkiye
Publication Date
December 20, 2019
Submission Date
October 11, 2019
Acceptance Date
November 18, 2019
Published in Issue
Year 2019 Volume: 3 Number: 2
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