FIG. 2.
Overnight cultures of L. monocytogenes strains grown in BHI broth at 37°C without shaking. The strain numbers and relevant genotypes are shown underneath the respective culture tubes. 476, NF-L476 (WT); 879, NF-L879 (EMS L140F mutant); 1041, NF-L1041 (ΔprfA + WTi); 1011, NF-L1011 (ΔprfA + L140Fi); 1067, NF-L1067 (L140F + L140Fi); 1006, NF-L1006 (WT + pPL2i); 1008, NF-L1008 (WT + L140Fi).