TABLE 5.

Susceptibilities of P. aeruginosa strains and their mutants to ampicillin and cefotaxime in the presence or absence of CCCP^a

Strain	MIC (μg/ml)
	Ampicillin		Cefotaxime
	−I	+I	−I	+I
PAO1	256	128	16	8
PAK	512	256	8	8
PAO1ΔDDh2Dh3	1,024	64	512	64
PAO1ΔG	32	32	8	4
PAO1ΔGh1	256	256	16	8
PAO1ΔGGh1	32	32	8	4
PAO1ΔG/pUCP24	32	32	8	4
PAO1ΔG/pZY0901	1,024	512	256	128
PAKΔG	32	32	8	4
PAKΔGh1	512	256	8	8
PAKΔGGh1	32	32	8	4
PAKΔG/pUCP24	32	32	4	4
PAKΔG/pZY0901	512	32	512	256
PAO1ΔDDh2Dh3G	16	16	4	4
PAO1ΔDDh2Dh3Gh1	1,024	64	256	64
PAO1ΔDDh2Dh3G/pUCP24	16	16	4	4
PAO1ΔDDh2Dh3G/pZY0901	1,024	32	512	64

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