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1 July 2015 Alterations in Antioxidant Enzyme Activity, Lipid Peroxidation, and Ion Balance Induced by Dichlorvos in Galleria mellonella (Lepidoptera: Pyralidae)
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Abstract

Dichlorvos (DDVP; 2,2-dichlorovinyl dimethyl phosphate) is an organophosphate insecticide widely used in the control of pests. This study aims to determine the changes caused by DDVP in the antioxidant enzyme activity, lipid peroxidation level, and ion content of a model organism, Galleria mellonella L. (Lepidoptera: Pyralidae). Larvae of G. mellonella were fed sublethal concentrations of DDVP (2, 4, 6, and 8 µg/l00 g feed). Exposure to DDVP resulted in induction of superoxide dismutase and catalase activities, and lipid peroxidation in larvae. Potassium and sodium ion levels were significantly altered by DDVP exposure. These results suggest that DDVP causes oxidative stress and lipid peroxidation and alters the antioxidant enzyme activities and ion balance in G. mellonella larvae. Additionally, these results indicate that G. mellonella is a useful model for testing the effects of insecticides.

© The Authors 2015. Published by Oxford University Press on behalf of Entomological Society of America. All rights reserved. For Permissions, please email: journals.permissions@oup.com
T. Kayis, M. Coskun, O. Dursun, and I. Emre "Alterations in Antioxidant Enzyme Activity, Lipid Peroxidation, and Ion Balance Induced by Dichlorvos in Galleria mellonella (Lepidoptera: Pyralidae)," Annals of the Entomological Society of America 108(4), 570-574, (1 July 2015). https://doi.org/10.1093/aesa/sav038
Received: 23 January 2015; Accepted: 15 April 2015; Published: 1 July 2015
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