Bacteriophages to Control Multi-Drug Resistant Infection of Dental Root Canals

Overview

Journal Microorganisms

Specialty Microbiology

Date 2021 Apr 3

PMID 33802385

Citations 21

Authors

Mohamed El-Telbany

Gamal El-Didamony

Ahmed Askora

Eman Ariny

Dalia Abdallah

Ian F Connerton

Ayman El-Shibiny

Affiliations

Soon will be listed here.

Abstract

Phage therapy is an alternative treatment to antibiotics that can overcome multi-drug resistant bacteria. In this study, we aimed to isolate and characterize lytic bacteriophages targeted against isolated from root canal infections obtained from clinics at the Faculty of Dentistry, Ismalia, Egypt. Bacteriophage, vB_ZEFP, was isolated from concentrated wastewater collected from hospital sewage. Morphological and genomic analysis revealed that the phage belongs to the family with a linear double-stranded DNA genome, consisting of 18,454, with a G + C content of 32.8%. Host range analysis revealed the phage could infect 10 of 13 isolates exhibiting a range of antibiotic resistances recovered from infected root canals with efficiency of plating values above 0.5. One-step growth curves of this phage showed that it has a burst size of 110 PFU per infected cell, with a latent period of 10 min. The lytic activity of this phage against biofilms showed that the phage was able to control the growth of in vitro. Phage vB_ZEFP could also prevent ex-vivo root canal infection. These results suggest that phage vB_ZEFP has potential for application in phage therapy and specifically in the prevention of infection after root canal treatment.

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