article · Water
Pesticide contamination in water bodies presents substantial risks to ecosystems and public health. This investigation identified microbial isolates from pesticide-contaminated water resources to assess their capacity to degrade dimethoate and methomyl. The microorganisms, identified as the bacterium Xanthomonas campestris pv. Translucens and the fungus Aspergillus fumigatus, grew more rapidly in media containing the target pesticides than in pesticide-free media. Over a 32-day incubation period from an initial concentration of 5 mg per litre, the bacterial isolate degraded 97.8 percent of dimethoate and 95 percent of methomyl, while the fungal isolate degraded 91.2 percent and 87.8 percent, respectively. In vivo tests using rats demonstrated that contaminated water treated with the isolates left no remaining toxicity, as shown by stable biochemical markers and the absence of histopathological damage to the liver and kidneys.
Widely used pesticides often leach into waterways, harming aquatic life and threatening drinking water supplies. Finding natural microorganisms capable of breaking down toxic agricultural chemicals without leaving harmful residues offers a safe, biological route to purifying contaminated water sources and preventing toxic organ damage in animals and humans.
This research demonstrates a biological remediation approach that could be relevant to wastewater treatment facilities, environmental remediation services, and agricultural water management operators. Because the findings are based on laboratory-scale incubation and rat toxicity models, the technology remains at an early stage of applied research and would require pilot testing before deployment in real-world remediation systems.
AI-generated from the published abstract. Always read the original work before citing.
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.
This page summarises published work. The authoritative version sits with the publisher.
DOI: 10.3390/w13081117
Is something wrong with this record? Report it or request removal.
Discussion
Have you built on this work, tried to replicate it, or seen it applied in practice? Share what you know. Verified researchers and MARATTO™ domain experts can open a discussion, and any member can reply. Contributions are reviewed before they appear.
No discussion yet. Open the first thread.
New to MARATTO™? Create a free account.
