Toxic Effects of Glyphosate-Based Herbicide on Melanopsis praemorsa
Abstract
In the present study, we determined the 24, 48, 72, and 96 h LC50 values for a glyphosate- based commercial herbicide (GBH) for the aquatic snail Melanopsis praemorsa. We examined subacute toxicity responses from M. praemorsa after 30-day exposure to 1/10, 1/5, and 1/2 of the 96 h LC50 value using several biochemical markers. Glutathione reductase (GR) and glutathione S-transferase (GST) activities were significantly inhibited when compared to control after 4 days of GBH exposure. On the twentieth day of exposure, GST and GR activities were inhibited in organisms exposed to both LC50/10 and LC50/5 compared to control. These results showed that chronic GBH exposure inhibited GST, an important detoxifying enzyme. GR, an important oxidative stress marker, was likely inhibited as a result of inhibition of the detoxification mechanism.
Keywords
References
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Details
Primary Language
English
Subjects
Structural Biology
Journal Section
Research Article
Publication Date
June 25, 2020
Submission Date
September 24, 2019
Acceptance Date
March 2, 2020
Published in Issue
Year 2020 Volume: 10 Number: 1
Cited By
Histopathological and Ultrastructural Effects of Glyphosate on the Mantle Tissue of Melanopsis praemorsa (Linnaeus, 1758)
Dicle Üniversitesi Veteriner Fakültesi Dergisi
https://doi.org/10.47027/duvetfd.1762232