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. 2012 Sep 18;7(9):e44673. doi: 10.1371/journal.pone.0044673

Figure 1. S. marcescens Db10 is able to inhibit growth of Gram-positive bacteria.

Figure 1

A. Activity assays using B. subtilis NCIB3610, S. aureus 113 and M. luteus ATCC4698 as indicator strains, with S. marcescens Db10 or S. marcescens Db10 SMA2290::Tn5 (NRS2992) as the producer strains. B. Culture supernatant assays (described in experimental procedures) indicate the diffusible molecule is produced by S. marcescens Db10 in stationary phase. Clearance halo sizes (radius of cleared area) are averages of three replicates; error bars represent standard error of the mean. A representative growth curve is shown for reference.