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The Scourge of Antibiotic Resistance: The Important Role of the Environment

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TLDR
The rapid evolution and spread of "new" antibiotic resistance genes has been enhanced by modern human activity and its influence on the environmental resistome, which highlights the importance of including the role of the environmental vectors, such as bacterial genetic diversity within soil and water, in resistance risk management.
Abstract
Antibiotic resistance and associated genes are ubiquitous and ancient, with most genes that encode resistance in human pathogens having originated in bacteria from the natural environment (eg, β-lactamases and fluoroquinolones resistance genes, such as qnr). The rapid evolution and spread of "new" antibiotic resistance genes has been enhanced by modern human activity and its influence on the environmental resistome. This highlights the importance of including the role of the environmental vectors, such as bacterial genetic diversity within soil and water, in resistance risk management. We need to take more steps to decrease the spread of resistance genes in environmental bacteria into human pathogens, to decrease the spread of resistant bacteria to people and animals via foodstuffs, wastes and water, and to minimize the levels of antibiotics and antibiotic-resistant bacteria introduced into the environment. Reducing this risk must include improved management of waste containing antibiotic residues and antibiotic-resistant microorganisms.

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Journal ArticleDOI

Ceftiofur-resistant Salmonella enterica serovar Heidelberg of poultry origin – a risk profile using the Codex framework

TL;DR: The Codex Guidelines provided a useful approach to summarise data for decision-makers to evaluate an AMR food safety issue, and the evidence was sufficient to indicate the need for risk management options, such as restricting the use of ceftiofur in poultry.
Journal ArticleDOI

MALDI-TOF MS Identification and Clustering Applied to Enterobacter Species in Nosocomial Setting.

TL;DR: The relative numbers of Enterobacter species, their antimicrobial susceptibility along 3 years of observation and the identification ability of the two most common MALDI-TOF platforms were evaluated to identify changes in the microbial population within the nosocomial environment.
Journal ArticleDOI

Low-cost, flexible, disinfectant-free and regular-array three-dimensional nanopyramid antibacterial films for clinical applications

TL;DR: A low-cost, scalable and highly repeatable approach was developed to prepare polystyrene films with three-dimensional nanopyramids on the surface that showed an excellent antibacterial performance with more than 90% reduction in the E. coli population after a 168 h prolonged incubation time.
Journal ArticleDOI

Manure Compost Is a Potential Source of Tetracycline-Resistant Escherichia coli and Tetracycline Resistance Genes in Japanese Farms.

TL;DR: The results suggest that the use of antimicrobials in livestock constitutes a selective pressure, not only in livestock feces but also in manure compost, for avoiding the spread of ARB and ARGs.
References
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Journal ArticleDOI

Antibiotics in the aquatic environment - A review - Part II

TL;DR: This review brings up important questions that are still open, and addresses some significant issues which must be tackled in the future for a better understanding of the behavior of antibiotics in the environment, as well as the risks associated with their occurrence.
Journal ArticleDOI

Antibiotic resistance is ancient

TL;DR: Target metagenomic analyses of rigorously authenticated ancient DNA from 30,000-year-old Beringian permafrost sediments are reported and show conclusively that antibiotic resistance is a natural phenomenon that predates the modern selective pressure of clinical antibiotic use.
BookDOI

Water for Food Water for Life : A Comprehensive Assessment of Water Management in Agriculture

TL;DR: Molden et al. as discussed by the authors presented a comprehensive assessment of water management in agriculture, focusing on water for food, water for life, and water for the future of agriculture.
Journal ArticleDOI

Antibiotics and antibiotic resistance in water environments

TL;DR: Methods to reduce resistant bacterial load in wastewaters, and the amount of antimicrobial agents, in most cases originated in hospitals and farms, include optimization of disinfection procedures and management of wastewater and manure.
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