Table 9.

Description of the strains used in this study.

Strains	Description	References
S. aureus Pig1	Markedly pigmented clinical isolate	[14]
S. aureus Pig1ΔcrtM	crtM-knockout construct of S. aureus Pig1	[14]
S. argenteus	Naturally crt-operon lacking clinical strain. Closely related to S. aureus. Also referred to as S. aureus MSHR1132	[19,20]
S. aureus SH1000	A laboratory-derived S. aureus strain NCTC 8325-4 by complementing rsbU+ from S. aureus Newman	[41]
S. aureus Newman	Clinical isolate sensitive to methicillin	[42]
S. aureus COL	Hospital-associated homogeneous methicillin-resistant strain	[43]
S. aureus MW2	Community-associated heterogeneous methicillin-resistant strain	[44]