Identification and characterization of an operon, msaABCR, that controls virulence and biofilm development in Staphylococcus aureus

Table 2 Relative expression of global regulators in msaABCR deletion mutant complemented with the frameshift msaC mutation

Strain	Fold change*
Strain	sarA	agrA	sigB	msaC
LAC	1	1	1	1
∆ msaABCR	-3.59	-6.7	-2.07	0
∆ msaABCR + pMOE555 (msaABCR_ fsmut msaC)	-1.25	-1.04	-1.08	17.95
∆ msaABCR + pMOE403 (msaABCR)	-1.39	-1.56	1.01	16.37

*Fold change in the transcription level in the various strains relative to the wild type (USA300 LAC).
Values represent the mean ratio for at least three independent experiments.

ISSN: 1471-2180