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Article

Microbial Detoxification of Dimethoate and Methomyl Residues in Aqueous Media

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Pesticides Chemistry and Toxicology Department, Faculty of Agriculture, Kafr-El-Sheikh University, Kafr El Sheikh 33516, Egypt
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Nanotechnology Center, Chemistry Department, Faculty of Science, Kafr-El-Sheikh University, Kafr El Sheikh 33516, Egypt
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Department of Pathology, Faculty of Veterinary Medicine, Kafrelsheikh University, Kafrelsheikh 33516, Egypt
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Department of Human Anatomy, College of Medicine, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
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Department of Zoonoses, Faculty of Veterinary Medicine, Sohag University, Sohag 82524, Egypt
*
Author to whom correspondence should be addressed.
Academic Editor: Sandi Orlić
Water 2021, 13(8), 1117; https://doi.org/10.3390/w13081117
Received: 27 February 2021 / Revised: 8 April 2021 / Accepted: 14 April 2021 / Published: 19 April 2021
(This article belongs to the Special Issue Microbial Communities in Water Environments: Dynamics and Interaction)
The extensive and random application of major organic pollutants, mainly pesticides, threatens ecosystems and human health. The present study was conducted to isolate and identify microorganisms from some water resources contaminated with pesticides. We investigated the ability of the identified microbes to grow in water spiked with dimethoate and methomyl. We also evaluated the potential effect of the identified microbial isolates on dimethoate and methomyl biodegradation in water. In addition, the total detoxification of dimethoate and methomyl residues in water after treatment with the most effective microbial isolates was confirmed using toxicity tests and analyzing biochemical parameters and histopathological changes in the kidney and liver of treated rats. The microbial isolates were identified as Xanthomonas campestris pv. Translucens and Aspergillus fumigates. Results showed that X. campestris pv. Translucens and A. fumigatus grow in media supplemented with dimethoate and methomyl faster than in other media without both pesticides. About 97.8% and 91.2% of dimethoate and 95% and 87.8% of methomyl (initial concentration of both 5 mg L−1) were biodegraded within 32 days of incubation with X. campestris pv. Translucens and A. fumigatus, respectively. There was no remaining toxicity in rats treated with dimethoate- and methomyl-contaminated water with respect to biochemical parameters and histopathological changes. Collectively, the identified bacterial isolate showed high potential for the complete degradation of dimethoate and methomyl residues in water. View Full-Text
Keywords: water; pollution; dimethoate; methomyl; remediation; toxicity; histopathology water; pollution; dimethoate; methomyl; remediation; toxicity; histopathology
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MDPI and ACS Style

Derbalah, A.; Massoud, A.; El-Mehasseb, I.; Allah, M.S.; Ahmed, M.S.; Al-Brakati, A.; Elmahallawy, E.K. Microbial Detoxification of Dimethoate and Methomyl Residues in Aqueous Media. Water 2021, 13, 1117. https://doi.org/10.3390/w13081117

AMA Style

Derbalah A, Massoud A, El-Mehasseb I, Allah MS, Ahmed MS, Al-Brakati A, Elmahallawy EK. Microbial Detoxification of Dimethoate and Methomyl Residues in Aqueous Media. Water. 2021; 13(8):1117. https://doi.org/10.3390/w13081117

Chicago/Turabian Style

Derbalah, Aly; Massoud, Ahmed; El-Mehasseb, Ibrahim; Allah, Moustafa S.; Ahmed, Mohamed S.; Al-Brakati, Ashraf; Elmahallawy, Ehab K. 2021. "Microbial Detoxification of Dimethoate and Methomyl Residues in Aqueous Media" Water 13, no. 8: 1117. https://doi.org/10.3390/w13081117

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