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Title: Quantitative approach in the study of adhesion of lactic acid bacteria to intestinal cells and their competition with enterobacteria
Authors: Lee, Y.K. 
Lim, C.Y.
Teng, W.L.
Ouwehand, A.C.
Tuomola, E.M.
Salminen, S.
Issue Date: 2000
Citation: Lee, Y.K., Lim, C.Y., Teng, W.L., Ouwehand, A.C., Tuomola, E.M., Salminen, S. (2000). Quantitative approach in the study of adhesion of lactic acid bacteria to intestinal cells and their competition with enterobacteria. Applied and Environmental Microbiology 66 (9) : 3692-3697. ScholarBank@NUS Repository.
Abstract: To describe the phenomena of bacterial adhesion to intestinal cells and the competition for adhesion between bacteria, mathematical equations based on a simple dissociation process involving a finite number of bacterial receptors on intestinal cell surface were developed. The equations allow the estimation of the maximum number of Lactobacillus sp. and Escherichia coli cells that can adhere to Caco-2 cells and intestinal mucus; they also characterize the affinity of the bacteria to Caco-2 cells and intestinal and fecal mucus and the theoretical adhesion ratio of two bacteria present in a mixed suspension. The competition for adhesion between Lactobacillus rhamnosus GG and E. coli TG1 appeared to follow the proposed kinetics, whereas the competition between Lactobacillus casei Shirota and E. coli TG1 may involve multiple adhesion sites or a soluble factor in the culture medium of the former. The displacement of the adhered Lactobacillus by E. coli TG1 seemed to be a rapid process, whereas the displacement of E. coli TG1 by the Lactobacillus took more than an hour.
Source Title: Applied and Environmental Microbiology
ISSN: 00992240
DOI: 10.1128/AEM.66.9.3692-3697.2000
Appears in Collections:Staff Publications

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