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Figure 4 | BMC Microbiology

Figure 4

From: Characterization of the expression of Salmonella Type III secretion system factor PrgI, SipA, SipB, SopE2, SpaO, and SptP in cultures and in mice

Figure 4

Effect of osmolarity on the expression of the tagged SPI-1 proteins. Cultures of the tagged strains T-spoE2, T-spaO, T-prgI, T-sptP, T-sipB, and T-sipA were grown in the presence of culture media under different concentrations of NaCl, as described in Methods and Materials. The values of the relative expression, which are the means from triplicate experiments, represent the ratios of the level of each protein under different osmolarity conditions to the control condition of 170 mM NaCl of the regular LB broth.

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