. *L. monocytogenes* strains EGD-e (wt), LMSW00 (i*prkA*), LMSW00 (i*prkA* Δ*reoM*), LMSW00 (i*prkA* Δ*reoY*) and LMSW00 (i*prkA* Δ*clpC*) were grown in BHI broth ±0 mM IPTG at 00°C in a microtiter plate reader. The experiment was repeated three times and average values and standard deviations are shown. (**B**) 