TABLE 7.

Effect of CCCP on the susceptibility of CF isolates of P. aeruginosa to ampicillin, chloramphenicol, and tetracycline^a

Strain	MIC (μg/ml)
	Ampicillin		Chloramphenicol		Tetracycline
	−I	+I	−I	+I	−I	+I
1	512	512	256	64	8	8
2	256	256	256	256	8	8
3	64	64	256	64	8	8
4	512	512	32	32	8	8
5	512	512	32	32	8	8
6	>1,024	>1,024	8	8	8	8
7	256	8	8	8	8	8
8	256	8	32	32	16	8
9	512	8	16	16	8	8
10	>1,024	8	32	8	8	8
11	512	8	32	32	8	8
12	>1,024	>1,024	8	8	8	8
13	>1,024	8	32	8	8	8
14	512	8	16	8	8	8
15	>1,024	8	8	8	8	8
16	16	8	8	8	8	8
17	512	8	8	8	8	8
18	256	256	32	32	16	8

^aThe bacterial strains were treated with (+I) or without (−I) 120 μM CCCP.