Three new Escherichia coli phages from the human gut show promising potential for phage therapy
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Supplementary File 3
Date
2016-06-09
Authors
Dalmasso, Marion
Strain, Ronan
Neve, Horst
Franz, Charles M. A. P.
Cousin, Fabien J.
Ross, R. Paul
Hill, Colin
Journal Title
Journal ISSN
Volume Title
Publisher
PLoS
Published Version
Abstract
With the emergence of multi-drug resistant bacteria the use of bacteriophages (phages) is gaining renewed interest as promising anti-microbial agents. The aim of this study was to isolate and characterize phages from human fecal samples. Three new coliphages, ?APCEc01, ?APCEc02 and ?APCEc03, were isolated. Their phenotypic and genomic characteristics, and lytic activity against biofilm, and in combination with ciprofloxacin, were investigated. All three phages reduced the growth of E. coli strain DPC6051 at multiplicity of infection (MOI) between 10?3 and 105. A cocktail of all three phages completely inhibited the growth of E. coli. The phage cocktail also reduced biofilm formation and prevented the emergence of phage-resistant mutants which occurred with single phage. When combined with ciprofloxacin, phage alone or in cocktail inhibited the growth of E. coli and prevented the emergence of resistant mutants. These three new phages are promising biocontrol agents for E. coli infections.
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Keywords
Bacteriophages , Escherichia coli infections , Bacterial biofilms , Viral genomics , Antibiotics , Comparative genomics , Bird genomics , Gene prediction
Citation
Dalmasso, M., Strain, R., Neve, H., Franz, C. M. A. P., Cousin, F. J., Ross, R. P. and Hill, C. (2016) 'Three new Escherichia coli phages from the human gut show promising potential for phage therapy', PLoS ONE, 11(6), e0156773 (16pp). doi: