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. Author manuscript; available in PMC: 2009 Nov 1.
Published in final edited form as: Microbiology (Reading). 2008 Nov;154(Pt 11):3579–3589. doi: 10.1099/mic.0.2008/021063-0

Figure 2. prfA* strains exhibit increased expression of PrfA-dependent gene products in broth culture.

Figure 2

A. Levels of actA expression measured by monitoring GUS activity. Each time point represents the mean +/− the SEM of duplicate samples, and the data is representative of three independent experiments. B. Secreted hemolytic activity as measured by erythrocyte (RBC) lysis. Serial dilutions of bacterial supernatants were incubated with RBCs and cell lysis was determined by measuring absorbance at 450 nm (OD450). Each point represents the mean +/− SD, and the data is derived from three independent experiments.