From wastewater to leachate: Fate and influencing mechanisms of microplastics as vectors of antibiotic resistance genes in different biological treatment systems

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.

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.

Microplastics Aided Augmentation of Antibiotic Resistance in WWTPs: A Global Concern

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This review examines how microplastics in wastewater treatment plants adsorb antibiotics and facilitate biofilm formation, accelerating the spread of antibiotic resistance genes and antibiotic-resistant bacteria into surrounding ecosystems. The convergence of microplastic pollution and antibiotic resistance represents a dual public health threat, as WWTPs act as conduits that amplify and distribute both contaminants into waterways used for drinking and agriculture.

Contribution of microplastic particles to the spread of resistances and pathogenic bacteria in treated wastewaters

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Researchers studied microplastic particles collected from treated wastewater effluents and found that MPs harbored significantly higher loads of antibiotic resistance genes and pathogenic bacteria compared to surrounding water, suggesting MPs facilitate their environmental spread.