Table 1. S. aureus strains used in this study.

Strain	Source	Inserted resistancecassettes	ATCC number orReferences
CF-#	clinical laboratory, Heidelberg, Germany	n.a.	cultured from respiratory specimen ofpatients with cystic fibrosis; this study
CF30, CF17, CF38	previously published as SCV1, SCV2 and SCV3	n.a.	Hilmi et al. 2013
INV-#	clinical laboratory, Heidelberg, Germany	n.a.	cultured from patients with invasiveinfections; this study
SA113	Friedrich Götz, Tuebingen, Germany	n.a.	ATCC #35556
SA113 ΔhemB	Friedrich Götz, Tuebingen, Germany	ermB	Gaupp et al. 2010
SA113 Δsdh	Friedrich Götz, Tuebingen, Germany	Spectino-mycin	Gaupp et al. 2010
SA113 Δlgt	Friedrich Götz, Tuebingen, Germany	ermB	Stoll et al. 2005
Cowan I (SAC)	DSMZ, Braunschweig, Germany	n.a.	DSM # 20372
Wood46	DSMZ, Braunschweig, Germany	n.a.	DSM #20491
SH1000	Thomas Wichelhaus, Frankfurt, Germany	n.a.	Besier et al. 2007
SH1000 Δ thyA	Thomas Wichelhaus, Frankfurt, Germany	ermB	Besier et al. 2007
Newman-132	Christiane Wolz, Tuebingen, Germany	IPTG-inducible cap5A	Jansen et al. 2013
RN4220	Gabriele Bierbaum, Bonn, Germany	n.a.	ATCC # 35556
Newman	Christiane Wolz, Tuebingen, Germany	n.a	Wolz et al. 1996
Newman Δagr	Christiane Wolz, Tuebingen, Germany	tetM	Wolz et al. 1996

n.a. = not applicable.