Phage-Antibiotic Synergy: How Antibiotics Help Virulent Phages Grow
Author Information
Author(s): Comeau André M., Tétart Françoise, Trojet Sabrina N., Prère Marie-Françoise, Krisch H.M.
Primary Institution: Laboratoire de Microbiologie et Génétique Moléculaires, Centre National de la Recherche Scientifique, Université Paul Sabatier-Toulouse
Hypothesis
Can sub-lethal concentrations of antibiotics stimulate the production of virulent phages in bacterial cells?
Conclusion
Sub-lethal concentrations of certain antibiotics can significantly enhance the production of virulent phages in bacteria.
Supporting Evidence
- Sub-lethal doses of cefotaxime increased phage production by more than 7-fold.
- The phenomenon was observed across various host-phage systems.
- The PAS effect was found to be primarily a consequence of cellular filamentation.
Takeaway
Some antibiotics can help viruses that infect bacteria grow better, which is surprising because we usually think of antibiotics as just killing bacteria.
Methodology
The study involved testing the effects of various antibiotics on phage production in bacterial cultures.
Limitations
The study primarily focused on specific antibiotic classes and may not generalize to all antibiotics or phage types.
Digital Object Identifier (DOI)
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