Polyvinyl chloride microplastics changed risks of antibiotic resistance genes propagation by enhancing the removal of triclosan in partial denitrification systems with different carbon source

The distribution, removal and microbial mechanisms of microplastics and antibiotic resistance genes in leachate treatment processes

Effects and mechanism of microplastics on abundance and transfer of antibiotic resistance genes in the environment - A critical review

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Tiny plastic particles polluting our water, soil, and even the air don't just sit there, this review of existing research shows they can act like rafts that help bacteria pick up antibiotic-resistance genes and spread them more easily, including in our gut environments. That's concerning because it means microplastic pollution could be quietly fueling the growing problem of antibiotic-resistant infections, making it harder to treat illnesses in the future. The researchers reviewed how this happens but say scientists still don't fully understand all the mechanisms behind it, so more research is needed to address the risk.

Effects of polyvinyl chloride microplastics and benzylalkyldimethylethyl compounds on system performance, microbial community and resistance genes in sulfur autotrophic denitrification system

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Researchers found that PVC microplastics and a common disinfectant chemical in wastewater treatment systems promoted the spread of antibiotic resistance genes, with the disinfectant having an even stronger effect than the microplastics. The microplastic surfaces harbored disease-causing bacteria that carried these resistance genes. This is concerning because wastewater treatment plants could be releasing both microplastics and antibiotic-resistant pathogens into waterways, potentially threatening human health.

Microplastics as a Carrier of Antibiotic Resistance Genes: A Revision of Literature

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Researchers review evidence that microplastics act as carriers and hotspots for antibiotic resistance genes, influencing bacterial community composition in the environment and potentially accelerating the spread of antibiotic resistance — a dual threat to ecosystem and human health.

Microplastics enhance the enrichment and dissemination of antibiotic resistance genes in aquatic environments: A meta-analysis

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Tiny plastic particles in water aren't just pollution, this analysis of multiple studies found they nearly double the amount of antibiotic-resistant bacteria genes in aquatic environments, essentially acting as gathering spots where these genes multiply and spread more easily. This matters because antibiotic resistance is already a major public health threat, and if microplastics in our waterways are helping resistant bacteria thrive and share their resistance traits, that could make infections harder to treat down the line, especially since smaller plastic particles seemed to make the problem worse.