Mechanisms of Colonisation and Colonisation Resistance of the Digestive Tract

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Fons, Michel ; Gomez, Ana ; Karjalainen, Tuomo (2011)
  • Publisher: Microbial Ecology in Health and Disease
  • Journal: Microbial Ecology in Health and Disease (issn: 1651-2235, eissn: 1651-2235)
  • Related identifiers: doi: 10.3402/mehd.v12i2.8059

In this review we describe the most common mechanisms through which bacterial antagonisms occur in the GI-tract. These include depletion and:or competition for substrates; competition for receptor sites (competitive exclusion); generation of a restrictive physiological environment (role of pH, short-chain fatty acids, oxidation-reduction potential); and production of antimicrobial substances (bacteriocinand non bacteriocin-related).Keywords: bacterial antagonisms, competitive exclusion, pH, oxidation:reduction potential, bacteriocins, colonisation resistance.
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