P22 Phage Shows Promising Antibacterial Activity under Pathophysiological Conditions

Logan Gildea1, Joseph A Ayariga2, Boakai K Robertson3

  • 1The Microbiology Program, College of Science, Technology, Engineering and Mathematics (C-STEM), Alabama State University, Montgomery, AL, 36104.

Archives of Microbiology & Immunology
|August 23, 2022
PubMed

Insights

Bacteriophages show promise in treating multidrug-resistant bacteria like Salmonella. This study explored phage therapy dynamics and antibiotic synergy, highlighting bacteriophages as versatile treatments for public health threats.

Area of Science:

  • Microbiology
  • Infectious Diseases
  • Public Health

Background:

  • Multidrug-resistant bacterial infections pose a significant global health risk.
  • Foodborne pathogens, such as Salmonella spp., cause millions of infections and hospitalizations annually.
  • Novel therapeutic strategies are crucial for combating antimicrobial resistance.

Purpose of the Study:

  • To investigate the infection dynamics of a single bacteriophage therapy against Salmonella Typhimurium.
  • To assess the development of bacterial resistance to phage treatment.
  • To evaluate the synergistic effects of phage therapy with antibiotics.

Main Methods:

  • Studied the infection dynamics of bacteriophage P22 against Salmonella Typhimurium under various conditions.
  • Determined the resistance development of Salmonella Typhimurium to P22 phage.
  • Assessed the combined efficacy of phage therapy with ampicillin and kanamycin.

Main Results:

  • Characterized the infection dynamics of Salmonella Typhimurium treated with bacteriophage P22.
  • Identified resistance mechanisms of Salmonella Typhimurium against phage P22.
  • Demonstrated potential synergistic effects between bacteriophage therapy and antibiotics.

Conclusions:

  • Bacteriophages represent a versatile and promising therapeutic option for multidrug-resistant bacterial infections.
  • Phage therapy, potentially in combination with antibiotics, offers a viable strategy to combat public health threats like Salmonella.
  • Further research into bacteriophage applications is essential for advancing antimicrobial treatments.

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