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Characterization and anti-biofilm activity of bacteriophages against urinary tract Enterococcus faecalis isolates
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Characterization and anti-biofilm activity of bacteriophages against urinary tract Enterococcus faecalis isolates
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Journal Article
Characterization and anti-biofilm activity of bacteriophages against urinary tract Enterococcus faecalis isolates
2022
Overview
Strong biofilm-forming
Enterococcus feacalis
urinary tract pathogens (n = 35) were used to determine the lytic spectrum of six bacteriophages isolated from sewage samples. Only 17
Enterococcus feacalis
isolates gave lytic zones with the tested bacteriophages from which five isolates were susceptible to all of them. The isolated enterococcal phages are characterized by wide range of thermal (30–90 °C) and pH (3–10) stability. They belong to order
Caudovirales,
from which four bacteriophages (EPA, EPB, EPD, EPF) belong to family M
yoviridae
and two (EPC, EPE) belong to family
Siphoviridae.
In addition, they have promising antibiofilm activity against the tested strong-forming biofilm
E. faecalis
isolates. The enterococcal phages reduced the formed and preformed biofilms to a range of 38.02–45.7% and 71.0–80.0%, respectively, as compared to the control. The same promising activities were obtained on studying the anti-adherent effect of the tested bacteriophages on the adherence of bacterial cells to the surface of urinary catheter segments. They reduced the number of adherent cells to a range of 30.8–43.8% and eradicated the pre-adherent cells to a range of 48.2–71.1%, as compared to the control. Overall, the obtained promising antibiofilm activity makes these phages good candidates for application in preventing and treating biofilm associated
Enterococcus faecalis
infections.
Publisher
Nature Publishing Group UK,Nature Publishing Group,Nature Portfolio
