Table 2. Strains used.

Name	Strain	Mutation	Reference
SA564-based strains
WT	PR01	ΔpyrFE	[21]
ΔJ1	PR01-01	ΔrnjA (SA0940)	[21]
ΔJ2	PR01-04	ΔrnjB (SA1118)	[21]
ΔJ1ΔJ2	PR01-17	ΔrnjA::ermC, ΔrnjB	This work
J1AGA	PR01-27	GTGACCATGT to GGCGCCTGCT at position 1068202*	This work
J2AGA	PR01-37	ACACGGACATG to AGCAGGCGCCG at position 1268999*	This work
ΔY	PR01-02	Δrny	[21]
ΔcshA	PR01-15	ΔcshA::kanA Chromosomal region between 2134254 and 2137592* substituted with the kanA gene	This work
RN4220-based strains
RN4220ΔpyrFE	PR02		[21]
RN4220ΔJ1C	PR02-03	ΔJ1::CAT194	This work
RN4220ΔJ1E	PR02-06	ΔJ1::ermC	This work

*) S. aureus N315 nomenclature and chromosomal positions are used.