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Antimicrobial textiles
J Vaun McArthur1, R C Tuckfield, C Baker-Austin
1Savannah River Ecology Laboratory, University of Georgia, Aiken, SC, USA. mcarthur@srel.edu
Handbook of Experimental Pharmacology
|October 24, 2012
Summary
Antimicrobial textiles can accelerate the spread of bacterial resistance to metals and antibiotics. This co-selection poses a significant public health risk, potentially leading to untreatable infections.
Area of Science:
- Microbiology
- Evolutionary Biology
- Public Health
Background:
- Bacteria share genetic traits, rapidly spreading resistance to antimicrobials like metals and antibiotics.
- The textile industry uses bactericides (metal nanoparticles, quaternary ammonia, triclosan) in antimicrobial fabrics.
- Bacteria are already developing resistance to these common textile bactericides.
Purpose of the Study:
- To discuss the evolutionary and ecological consequences of antimicrobial textiles.
- To analyze the phenomenon of co-selection driven by antimicrobial fabric use.
- To predict the impact of widespread antimicrobial textile use on bacterial resistance.
Main Methods:
- Review of existing literature on bacterial resistance mechanisms.
- Analysis of co-selection dynamics in microbial populations exposed to textile antimicrobials.
- Ecological and evolutionary modeling of resistance spread.
Main Results:
- Antimicrobial textiles contribute to the co-selection of resistance traits in bacteria.
- Widespread use of these textiles is predicted to increase resistance to metals and antibiotics.
- This increased resistance can transfer to human pathogens.
Conclusions:
- Antimicrobial textiles exert selective pressure, driving resistance evolution in bacteria.
- Co-selection by textile antimicrobials can lead to cross-resistance to medically important antibiotics.
- Unintended public health consequences, including untreatable infections, are a potential outcome of current practices.
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