TABLE 6.

Effect of efflux pump inhibitors on MICs of bile salts for S. aureus^a

Bile salt	MIC (mM) for strain
	S. aureus SH1000			S. aureus ΔmnhF
	Control	PAβN	Reserpine	Control	PAβN	Reserpine
CA	22	2.5	10	5	2.5	2.5
DCA	1.2	0.3	1.2	0.6	0.3	0.3
CDCA	1.2	0.3	1.2	0.6	0.3	0.3
GCA	>200	200	>200	>200	200	>200
TCA	>200	200	>200	>200	200	>200

^aWith PAβN at 20 μg/ml and reserpine at 40 μg/ml.