Adhesion of dairy propionibacteria to intestinal epithelial tissue in vitro and in vivo

Journal of Food Protection
Gabriela ZárateSilvia González

Abstract

Adhesion to the intestinal mucosa is a desirable property for probiotic microorganisms and has been related to many of their health benefits. In the present study, 24 dairy Propionibacterium strains were assessed with regard to their hydrophobic characteristics and their autoaggregation and hemagglutination abilities, since these traits have been shown to be indicative of adherence in other microorganisms. Six strains were further tested for their capacity to adhere to ileal epithelial cells in vitro and in vivo. The results of the study showed that propionibacteria were highly hydrophilic, and hemagglutination and autoaggregation were properties not commonly found among these microorganisms. No relationship was found between surface characteristics and adhesion ability, since hemagglutinating, autoaggregating, and nonautoaggregating bacteria were able to adhere to intestinal cells both in vitro and in vivo. Microscopic examination revealed that autoaggregating cells adhered in clusters, with adhesion being mediated by only a few bacteria, whereas the hemagglutinating and nonautoaggregating strains adhered individually or in small groups making contact with each epithelial cell with the entire bacterial surface. The in vitro as...Continue Reading

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Citations

Feb 5, 2009·Journal of Applied Microbiology·G Zárate, A Perez Chaia
Nov 10, 2007·Current Gastroenterology Reports·Anna M Borowiec, Richard N Fedorak
Nov 10, 2004·The British Journal of Nutrition·Anne S BiongJan I Pedersen
Oct 21, 2015·Animals : an Open Access Journal From MDPI·Rabin GyawaliSalam A Ibrahim
Jul 19, 2012·World Journal of Microbiology & Biotechnology· PoonamRameshwar Singh
May 1, 2004·Critical Reviews in Microbiology·Kelly A Stevens, Lee-Ann Jaykus
Sep 15, 2006·Analytical Chemistry·Shmuel YitzhakiAvi Keysary

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