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. Author manuscript; available in PMC: 2010 May 1.
Published in final edited form as: Mol Microbiol. 2009 Apr 14;72(4):905–917. doi: 10.1111/j.1365-2958.2009.06693.x

Fig. 4.

Fig. 4

Growth kinetics of S. mutans UA159 strain containing the shuttle plasmid pDL277 (Leblanc et al., 1992) harbouring the CipB-encoding gene under the control of the raffinose-inducible promoter (notation ‘Pmsm’) of the S. mutans multiple-sugar metabolism operon (McLaughlin and Ferretti, 1996). Growth was monitored by following OD600 for 16 h in TYE containing either 0.5% raffinose (inducer, notation ‘raf’) or 0.5% glucose (repressor, notation ‘glc’). The vector alone (no insert) was used as control. Also plotted is the growth of a mutant defective in the putative immunity gene SMU.925 carrying the pMSM construct following induction with 0.5% raffinose.