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Pyocin-mediated antagonistic interactions in Pseudomonas spp. isolated in James Ross Island, Antarctica.
Environ Microbiol
March 2022
Department of Biology, Faculty of Medicine, Masaryk University, Kamenice 753/5, Brno, 625 00, Czech Republic.
Interactions within bacterial communities are frequently mediated by the production of antimicrobial agents. Despite the increasing interest in research of new antimicrobials, studies describing antagonistic interactions among cold-adapted microorganisms are still rare. Our study assessed the antimicrobial interactions of 36 Antarctic Pseudomonas spp.
View Article and Find Full Text PDFPrevalence of bacteriocins and their co-association with virulence factors within Pseudomonas aeruginosa catheter isolates.
Int J Med Microbiol
December 2020
Institute for Microbiology, Faculty of Medicine, Masaryk University and St. Anne's University Hospital Brno, Pekarska 53, 656 91 Brno, Czech Republic. Electronic address:
Urinary tract infections represent common nosocomial infectious diseases. Bacteriocin production has been recently described as a putative virulence factor in these infections but studies focusing particularly on Pseudomonas aeruginosa are not available. Therefore, we assessed the prevalence of the bacteriocin genes, their co-occurrence and their co-association with previously detected virulence factors in a set of 135 P.
View Article and Find Full Text PDFMolecular investigation of the colicinogenic Escherichia coli strains that are capable of inhibiting E. coli O157:H7 in vitro.
BMC Vet Res
January 2019
Molecular Microbiology Research Group, Faculty of Veterinary Medicine, Shahid Bahonar University of Kerman, Kerman, Iran.
Background: Escherichia coli O157:H7 is a highly virulent human pathogen with severe consequences following infection, which claims many lives worldwide. A suggested method for controlling this bacterium is the competitive elimination through using probiotic bacteria that prevent its colonization. Some nonpathogenic E.
View Article and Find Full Text PDFHuman extraintestinal pathogenic Escherichia coli strains differ in prevalence of virulence factors, phylogroups, and bacteriocin determinants.
BMC Microbiol
September 2016
Department of Biology, Faculty of Medicine, Masaryk University, Kamenice 5, Building A6, 625 00, Brno, Czech Republic.
Background: The study used a set of 407 human extraintestinal pathogenic E. coli strains (ExPEC) isolated from (1) skin and soft tissue infections, (2) respiratory infections, (3) intra-abdominal infections, and (4) genital smears. The set was tested for bacteriocin production, for prevalence of bacteriocin and virulence determinants, and for phylogenetic typing.
View Article and Find Full Text PDFMicrocin determinants are associated with B2 phylogroup of human fecal Escherichia coli isolates.
Microbiologyopen
June 2016
Department of Biology, Faculty of Medicine, Masaryk University, Kamenice 5, Building A6, 625 00, Brno, Czech Republic.
Escherichia coli strains are classified into four main phylogenetic groups (A, B1, B2, and D) and strains of these phylogroups differ in a number of characteristics. This study tested whether human fecal E. coli isolates belonging to different phylogroups differ in prevalence of bacteriocinogenic isolates and prevalence of individual bacteriocinogenic determinants.
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