Jornal de Probióticos e Saúde
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Antibiofilm and Antiadhesive Activities of Different Synbiotics

De Marco Stefania, Piccioni Miranda, Muradyan Diana, Zadra Claudia, Pagiotti Rita and Pietrella Donatella

Synbiotics are a combination of probiotic bacteria and the growth promoting prebiotic ingredients that purport “synergism”. Probiotics are well known for their ability to restore a healthful balance of commensal microbes supporting the repair of hyper-permeable epithelial barriers and interfering with infection. The present research was designed to evaluate the anti-virulence role of cell-free supernatants of synbiotic cultures. The effect of prebiotics fructo-oligosaccharide, inulin and isomaltose on probiotic Lactobacillus acidophilus, Lactococcus lactis, Lactobacillus casei, Lactobacillus reuteri and Saccharomyces boulardii growth, fermentation products has been investigated. Cell-free supernatants of synbiotics cultures have been studied for their antimicrobial, antibiofilm and anti-adhesion properties. Results highlight that prebiotics can enhance the antimicrobial and anti-virulence activities of probiotics against potential pathogens Staphylococcus aureus and Escherichia coli. The present research supports, for the first time, the value of anti-virulence activity of metabolites produced by synbiotics suggesting their use as a suitable adjuvant in antibacterial treatment.