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Microplastic-mediated antimicrobial resistance in aquatic environments: plastisphere dynamics, ecological risks, and mitigation strategies
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Tiny plastic particles floating in water aren't just pollution—they act like rafts where bacteria gather and swap genes that make them resistant to antibiotics, potentially making infections harder to treat. This review paper rounds up existing research on how this happens and compares different water treatment methods (like filtration and chemical treatments) that could remove both the plastics and the resistant bacteria at once. The takeaway: tackling microplastic pollution in our water systems may be an important, underappreciated tool for slowing the spread of antibiotic-resistant infections.
The plastisphere, formed by microbial colonization on microplastics (MPs) surfaces, is widely recognized as a key reservoir for antibiotic resistance genes (ARGs). The persistence of MP-associated biofilms further exacerbates the spread of antimicrobial resistance (AMR). How to mitigate MPs and ARGs becomes an emerging issue under the context of One Health. However, given the increasingly fragmented focus of current research, there is a lack of comprehensive reviews on the removal of MPs and ARGs. With this in mind, this paper discusses the mechanisms by which MPs promote AMR production and transfer, as well as the multi-level ecological risks of MPs-ARGs combined pollution. More importantly, we systematically summarize the mechanisms of various wastewater treatment technologies for the simultaneous elimination of ARGs and MPs, including comprehensive biological processes (wastewater treatment plants, constructed wetlands and membrane bioreactors) and physical/chemical processes (adsorption and advanced oxidation processes). Besides, the efficiency and disadvantages of these methods in removing MPs and ARGs from wastewater and future prospects are discussed. In summary, this article offers valid information to reveal the tip of the iceberg of the severity of MPs and ARGs combined pollution. And it promotes the progress of novel and viable methods for the simultaneous removal of MPs and ARGs.
More Papers Like This
The Microplastic–biofilm–resistome Nexus: the Role of Environmental Microplastics in the Formation and Dissemination of Antibiotic-resistant Bacteria and the Potential Consequences for Human Health
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Tiny plastic particles floating in water and soil aren't just pollution, they can act like rafts where bacteria cluster together and swap genes that help them resist antibiotics. This review pulls together existing research suggesting that these plastic-bacteria communities could be a hidden pathway for drug-resistant "superbugs" to spread through the environment and potentially reach humans. While more research is needed to confirm the real-world health risk, it's a reminder that plastic pollution may have ripple effects beyond what we can see.
[Pollution Situation and Transmission Risks of Antibiotic Resistance within the Plastisphere in the Aquatic Environment].
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This review examines how microplastics serve as a new ecological niche for antibiotic-resistant bacteria in aquatic environments, creating what researchers call the plastisphere. Microplastics interact with heavy metals, antibiotics, and other pollutants while migrating through water systems and food chains, potentially accelerating the spread of antibiotic resistance genes. The study highlights the plastisphere as a hotspot for resistance gene transfer, posing threats to both human health and urban ecosystems.
Are microplastic particles a hotspot for the spread and the persistence of antibiotic resistance in aquatic systems?
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This review explores whether microplastic particles in water could serve as hotspots for antibiotic-resistant bacteria. Researchers found that microplastics host a unique microbial biofilm called the "plastisphere" that differs from surrounding water communities and may promote the survival and spread of resistant organisms. The study suggests that microplastics could act as carriers of antibiotic resistance genes, posing a potential threat to both environmental and human health.
The Microplastic–biofilm–resistome Nexus: the Role of Environmental Microplastics in the Formation and Dissemination of Antibiotic-resistant Bacteria and the Potential Consequences for Human Health
AI summary Read the abstract
Tiny plastic bits (microplastics) that end up in water and soil aren't just pollution, they can act like rafts where bacteria cluster together and swap genes that help them resist antibiotics. This review pulls together existing research suggesting these plastic "biofilms" could be a hidden pathway for drug-resistant germs to spread through the environment and potentially reach humans. While more research is needed to confirm real-world health risks, it's a reminder that plastic pollution and the growing problem of antibiotic resistance may be more connected than we think.
Microplastics: Hidden drivers of antimicrobial resistance in aquatic systems
AI summary Read the abstract
This review examines how microplastics in aquatic environments serve as surfaces for biofilm formation, creating what researchers call the 'plastisphere,' which can harbor antibiotic-resistant bacteria and pathogens. Evidence indicates that microplastics facilitate the spread of antimicrobial resistance genes through water systems, potentially affecting both aquatic organisms and human health. The findings underscore microplastics as an overlooked driver of antibiotic resistance in waterways.
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