Listeria monocytogenes virulence factor Listeriolysin O favors bacterial growth in co-culture with the ciliate Tetrahymena pyriformis, causes protozoan encystment and promotes bacterial survival inside cysts

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	recA 1, endA 1, gyrA 96, thi, hsdR 17, supE 44, relA 1, Δ(lac-proAB)/F' [traD 36, proAB⁺, lacI^q, lacZ ΔM15]	Fermentas (Lituania)

ISSN: 1471-2180