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Comparative killing kinetics of CLP-4. S. mutans UA159 cultures at a cell density of 6 × 105 CFU/ml were challenged with 5, 10, and 25 μg/ml CLP-4 under conditions of active growth in CDM supplemented with 0.5% (wt/vol) glucose (A) and against growth-arrested cells in CDM lacking any carbon source (B). Samples at time zero were enumerated prior to peptide treatment. Data shown are the means and standard deviations of three biological replicates from three independent experiments.
