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Prevalence of coaggregation reactions among chicken lactobacilli
L Vandevoorde1, H Christiaens, W Verstraete
1Laboratory of Microbial Ecology, Faculty of Agricultural Sciences, State University of Gent, Belgium.
Abstract:
Interbacterial adherence was frequently encountered among chicken lactobacilli. Fourteen of 45 combinations involving nine adhering strains were shown to be coaggregative. The coadherence mechanism was mediated by complementary heat- and sonication-sensitive cell surface structures. It was shown that intrageneric adherence enabled lactobacilli to maintain higher numbers in fed-batch reactors simulating the gastrointestinal tract. The mechanism of coaggregation can substantially increase the colonization potential of lactobacilli in environments with short residence times.