TABLE 1.

Strains and plasmids used in this study

Organism or plasmidGenotype or strainReference
L. monocytogenes EGD-e 20
Δhly ΔplcA 38
ΔprfAThis study
Δlmo0206 (ΔorfX)This study
Δlmo0207 (ΔorfZ)This study
Δlmo0229 (ΔctsR)This study
ΔsigBThis study
Δlmo1298 (ΔtnrA)This study
Δlmo2200 (ΔohrR)This study
Δlmo2219 (ΔprsA)This study
E. coli InvαF′Invitrogen
pAUL-A 46
pMV158 36