The Evolution of Plasmid-Carried Antibiotic Resistance
Author Information
Author(s): Svara Fabian, Rankin Daniel J
Primary Institution: Institute of Evolutionary Biology and Environmental Studies, University of Zürich
Hypothesis
What are the selective pressures that favor plasmid-carried antibiotic resistance genes?
Conclusion
Different antibiotic treatment regimes can select for either plasmid-carried or chromosome-carried resistance.
Supporting Evidence
- Plasmids are important for the spread of antibiotic resistance genes.
- The study shows that the dosage and interval of antibiotic treatments influence the evolution of resistance.
- Plasmids can be seen as genomic parasites that can persist despite costs to their bacterial hosts.
Takeaway
This study looks at how bacteria can pass around genes that make them resistant to antibiotics, and how different treatments can change which type of resistance is more common.
Methodology
Mathematical models of plasmid dynamics were used to analyze the effects of different antibiotic treatment regimes.
Limitations
The model assumes efficient horizontal transfer of plasmids and does not account for all genetic variations.
Statistical Information
P-Value
p < 10-12
Statistical Significance
p < 10-12
Digital Object Identifier (DOI)
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