1887

Abstract

There is increasing evidence that may colonize the intestinal tract, especially among hospitalized patients. As has been found to be associated with certain gastrointestinal diseases, it has become important to study whether this bacterium can colonize the intestinal tract and if so, whether it is possible to prevent colonization. Adhesion is the first step in colonization; this study shows that adheres to mucus from resected human intestinal tissue. Certain lactic acid bacteria (LAB), mainly commercial probiotics, were able to reduce adhesion and viability of adherent . In displacement assays the amount of adherent in human intestinal mucus was reduced 39–44 % by GG, subsp. and subsp. . Moreover, adherent , and reduced viability of adherent by 27–36 %, depending on the strain, after 2 h incubation. This was probably due to the production of organic acids and hydrogen peroxide and possibly in the case of to the production of reuterin. This study shows for the first time that can adhere to human intestinal mucus and adherent bacteria can be displaced and killed by certain LAB strains via production of antimicrobial substances.

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2006-06-01
2024-03-29
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