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Influence of Selected Factors on Biofilm Formation by Salmonella enterica Strains.


ABSTRACT: Biofilm formed by S. enterica on the surface of gallstones or biomaterials promotes the development and spread of chronic infection. The aim of the study was to assess biofilm formation on the surface of polystyrene depending on nutritional conditions and the effect of 0.5, 1.0, and 2.0% glucose and 3.0% bile and sub-inhibitory concentrations of ampicillin on biofilm formation of S. enterica. Sixty-nine clinical strains of S. enterica isolated from feces (92.8%) and blood (7.2%) collected from patients (66.7%) and carriers (33.3%) were used in the study. Assessment of forming 24-h biofilm by these strains was performed on the surface of polystyrene 96-well plates at 37 °C. In this study, it was indicated that 1.0% glucose and 3.0% bovine bile inhibit biofilm formation. Biofilm formation was inhibited in all examined sub-MIC of ampicillin. Biofilm formation is varied in different conditions, depending on the serovar.

SUBMITTER: Bialucha A 

PROVIDER: S-EPMC7824446 | biostudies-literature | 2020 Dec

REPOSITORIES: biostudies-literature

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Influence of Selected Factors on Biofilm Formation by <i>Salmonella enterica</i> Strains.

Białucha Agata A   Gospodarek-Komkowska Eugenia E   Kwiecińska-Piróg Joanna J   Skowron Krzysztof K  

Microorganisms 20201225 1


Biofilm formed by <i>S. enterica</i> on the surface of gallstones or biomaterials promotes the development and spread of chronic infection. The aim of the study was to assess biofilm formation on the surface of polystyrene depending on nutritional conditions and the effect of 0.5, 1.0, and 2.0% glucose and 3.0% bile and sub-inhibitory concentrations of ampicillin on biofilm formation of <i>S. enterica</i>. Sixty-nine clinical strains of <i>S. enterica</i> isolated from feces (92.8%) and blood (7  ...[more]

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