The influence of Lactobacillus acidophilus-derived surfactants on staphylococcal adhesion and biofilm formation
Jazyk angličtina Země Spojené státy americké Médium print-electronic
Typ dokumentu časopisecké články, práce podpořená grantem
- MeSH
- bakteriální adheze účinky léků MeSH
- biofilmy účinky léků růst a vývoj MeSH
- Lactobacillus acidophilus metabolismus MeSH
- lidé MeSH
- povrchově aktivní látky metabolismus farmakologie MeSH
- stafylokokové infekce mikrobiologie MeSH
- Staphylococcus účinky léků izolace a purifikace fyziologie MeSH
- Check Tag
- lidé MeSH
- Publikační typ
- časopisecké články MeSH
- práce podpořená grantem MeSH
- Názvy látek
- povrchově aktivní látky MeSH
The ability of surfactants obtained from three Lactobacillus acidophilus strains to inhibit Staphylococcus aureus and S. epidermidis biofilms was evaluated. Their influence was determined on bacterial initial adhesion, biofilm formation and dispersal using MTT-reduction assay, confocal laser scanning microscopy and image PHLIP analysis. The number of adhering S. aureus and S. epidermidis cells after a 3-h co-incubation with biosurfactants was reduced by 5-56 % in a strain-and dose-dependent manner. S. epidermidis-and, to a lower extent, in S. aureus-biofilm formation was also inhibited in the presence of the tested surfactants. The addition of surfactants to preformed mature biofilms accelerated their dispersal, and changed the parameters of biofilm morphology. The L. acidophilus-derived surfactants inhibit bacterial deposition rate and biofilm development (and also its maturation) without affecting cell growth probably due to the influence on the cell-surface hydrophobicity of staphylococci.
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