American Society for Microbiology, Journal of Bacteriology, 18(186), p. 6327-6331, 2004
DOI: 10.1128/jb.186.18.6327-6331.2004
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ABSTRACT Gram-positive and gram-negative bacteria use quorum sensing to coordinate population behavior. In several streptococci, quorum sensing mediated by competence-stimulating peptides (CSP) is associated with development of competence for transformation. We show here that a synthetic CSP favored the biofilm mode of growth of Streptococcus intermedius without affecting the rate of culture growth.