Table 2.

Bacterial strains used in the study

Bacterium	Description	Reference
L. monocytogenes
EGDe	Wild type, serovar 1/2a	[24]
EGDeΔhly	The hly gene deletion	[19]
NCTC5105	The prfA* gene encoding constitutively active PrfA*, serovar 1/2a	[19]
VIMVR081	Wild type, wild rodent isolate, serovar 4b	[5]
VIMVW039	Wild type, environmental isolate, serovar 4b	[5]
VIMHA034	Wild type, clinical isolate, serovar 1/2a	[5]
VIMVF870	Wild type, food isolate, serovar 1/2a	[5]
L. innocua
NCTC11288	Wild type, serovar 6a	[5]
E. coli
JM109	recA1, endA1, gyrA96, thi, hsdR17, supE44, relA1, Δ(lac-proAB)/F' [traD36, proAB+, lacIq, lacZΔM15]	Fermentas (Lituania)