Phages and Antibiotic Resistance Genes in Environmental Water Samples
Author Information
Author(s): Colomer-Lluch Marta, Jofre Juan, Muniesa Maite
Primary Institution: Department of Microbiology, University of Barcelona, Barcelona, Spain
Hypothesis
Phages may act as reservoirs for antibiotic resistance genes in the environment.
Conclusion
The study found that phages in environmental water samples carry antibiotic resistance genes that can be transferred to bacteria.
Supporting Evidence
- All three antibiotic resistance genes were detected in phage DNA from all samples tested.
- Phage DNA was shown to transfer resistance genes to sensitive bacteria, which then became resistant.
- Phages were found to contain a large number of blaTEM gene copies in urban sewage samples.
Takeaway
Phages, which are tiny viruses that infect bacteria, can carry genes that make bacteria resistant to antibiotics, and they can spread these genes in the environment.
Methodology
The study used quantitative PCR to quantify antibiotic resistance genes in phage DNA isolated from urban sewage and river water samples.
Limitations
The study did not determine whether the detected genes conferred resistance in specific bacterial hosts.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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