TABLE 1.

Bacterial strains used in this study

Strain	Description or relevant genotype or phenotype	Reference or source
NF-L100	Wild-type 10403S	60
NF-L340	Δhly (DP-L2161)	61
NF-L1124	NF-L100 actA-gus-neo-plcB	43
NF-L1166	NF-L100 actA-gus-neo-plcB prfA* L140F	43
NF-L1605	ΔhtrA	37
NF-L1651	ΔprsA2::erm	32
NF-L1634	ΔhtrA ΔprsA2::erm	30
NF-L3611	NF-L100 prfA*	This work
NF-L3612	NF-L1605 prfA* ΔhtrA	This work
NF-L3613	NF-L1651 prfA* ΔprsA2::erm	This work
NF-L3614	NF-L1634 prfA* ΔhtrA ΔprsA2::erm	This work