The Current Landscape of Phage-Antibiotic Synergistic (PAS) Interactions

Area of Science:

• Microbiology
• Infectious Diseases
• Drug Discovery

Background:

• Multidrug-resistant (MDR) pathogens pose a significant global health threat, necessitating novel therapeutic strategies.
• Bacteriophages (phages), viruses that infect bacteria, are emerging as potent antimicrobial agents due to their distinct lytic mechanisms.
• Phages are largely unaffected by antibiotic resistance mechanisms, offering a promising alternative or adjunct to conventional antibiotics.

Purpose of the Study:

• To review the evolutionary and molecular mechanisms driving phage-antibiotic synergy (PAS).
• To summarize the current understanding of interactions between phages and antibiotics.
• To explore strategies for developing effective PAS treatments against MDR pathogens.

Main Methods:

• Literature review of existing research on phage-antibiotic interactions.
• Analysis of evolutionary and molecular mechanisms underlying PAS.
• Examination of in vitro methods for assessing PAS.

Main Results:

• Phage-antibiotic interactions exhibit a spectrum from synergistic to antagonistic.
• Understanding these interactions is crucial for optimizing combination therapies.
• Phages can enhance the efficacy of existing antibiotics against resistant bacteria.

Conclusions:

• PAS is a promising strategy for improving treatment outcomes against MDR pathogens.
• Further research into the mechanisms of PAS is essential for clinical translation.
• Standardized in vitro methods are needed for evaluating phage-antibiotic combinations.