Characterization and Genomic Analysis of PA-56 Phage from Istanbul, Turkey: Antibacterial and Antibiofilm Efficacy Alone and with Antibiotics

Overview

Journal Heliyon

Specialty Social Sciences

Date 2024 Sep 12

PMID 39263065

Authors

Damla Damar Celik

Abdulkerim Karaynir

Hanife Salih Dogan

Bulent Bozdogan

Berna Ozbek Celik

Affiliations

Soon will be listed here.

Abstract

Phages are ubiquitous in freshwater, seawater, soil, the human body, and sewage water. They are potent biopharmaceuticals against antimicrobial-resistant bacteria and offer a promising alternative for treating infectious diseases. Also, combining phages with antibiotics enhances the antibiotics' efficacy. This study focused on two phages isolated from lake and sewage water samples and one of them selected for further investigation. Isolated phages PA-56 and PA-18 infected 92 % and 86 % of the tested 25 clinical strains, respectively. PA-56 with strong activity was chosen for detailed characterization, antimicrobial studies, and genome analysis. Combining PA-56 with ciprofloxacin or meropenem demonstrated phage-antibiotic synergism and increased antibiofilm efficacy. Genome analysis revealed a GC ratio of 54 % and a genome size of 42.761 bp, with no virulence or antibiotic resistance genes. Notably, PA-56 harboured the toxin-antitoxin protein, MazG. Overall, this study suggests that PA-56 holds promise for future applications in industry or medicine.

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