Summary
This study demonstrates that pesticide exposure enhances the transmission of antibiotic resistance genes through a soil food chain, specifically tracking ARG dissemination from collembolans to predatory mites. The findings suggest that chemical stressors in agricultural soils may amplify horizontal gene transfer and antimicrobial resistance spread via soil invertebrate food webs, with implications for understanding resistance dynamics in terrestrial ecosystems.
Regional applicability
The findings are relevant to UK agricultural practice, where both pesticide use and antibiotic resistance in soil environments pose regulatory and environmental health concerns. The results may inform soil health monitoring protocols and pesticide risk assessment frameworks under UK and EU environmental legislation.
Key measures
Antibiotic resistance gene (ARG) abundance and transmission rates in collembolans and predatory mites; pesticide stress conditions as experimental variable
Outcomes reported
The study measured the dissemination of antibiotic resistance genes (ARGs) through a soil food chain comprising collembolans and predatory mites following pesticide exposure. The research documented increased transmission and accumulation of ARGs in both trophic levels under pesticide stress conditions.
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