We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
Enhanced transformation of antibiotic resistance genes: a new environmental risk of tire wear particles and leachates
AI summary
Researchers found that tire wear particles (TWPs) and their leachate can significantly enhance the transfer of antibiotic resistance genes (ARGs) into bacteria, with leachate increasing transformation frequency up to 13-fold compared to controls. The leachate promoted ARG uptake by inducing oxidative stress and increasing membrane permeability, while the particles themselves had an opposing inhibitory effect, revealing a complex dual mechanism by which TWPs may accelerate the spread of antibiotic resistance in the environment.
More Papers Like This
Tire Wear Particles' Environmental Distribution and Potential Threats to Human Health
AI summary Read the abstract
Researchers reviewed the environmental distribution and health hazard profile of tire wear particles, highlighting that their complex rubber-carbon black-additive matrix—particularly the chemical 6PPD-quinone, which is acutely lethal to coho salmon below 1 µg/L—distinguishes them toxicologically from conventional microplastics and demands specialized monitoring and risk assessment frameworks.
Tire particles and its leachates: Impact on antibiotic resistance genes in coastal sediments
AI summary Read the abstract
Researchers studied how tire particles and the chemicals they release affect antibiotic resistance genes in coastal sediment microorganisms. They found that both the physical particles and their chemical leachates increased the abundance of antibiotic resistance genes and altered microbial community structure. The findings suggest that tire wear pollution in coastal areas may contribute to the spread of antibiotic resistance in marine environments.
Tire-wear Particles as a Major Component of Microplastics in the Environment
AI summary Read the abstract
Researchers analyzed non-exhaust traffic particles along busy German roads using microscopy and SEM-EDX, finding that tire-wear particles dominate coarse airborne particulate matter and accumulate additional hazardous metals from brake and road abrasion, making them a major and chemically complex microplastic pollutant in aquatic environments.
Tire wear particles enhance horizontal gene transfer of antibiotic resistance genes in aquatic ecosystems
AI summary Read the abstract
Researchers investigated whether tire wear particles can promote the transfer of antibiotic resistance genes between bacteria in aquatic environments. They found that tire particles significantly enhanced gene transfer rates, with metals like zinc leaching from the particles playing a key role in this process. The findings suggest that tire wear pollution in waterways may contribute to the growing problem of antibiotic resistance.
Tire wear particles amplify the transmission risk of antibiotic resistance genes in a soil–plant system by reshaping microbial communities
AI summary Read the abstract
In a soil and vegetable plant study, tire wear particles changed soil chemistry and microbial communities, increasing antibiotic resistance genes in soil, roots and leaves, with effects peaking at certain particle concentrations. The study suggests tire wear particles may contribute to antibiotic resistance genes entering vegetables in the food chain.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.