. 2013 Jun;51(6):1951–1954. doi: 10.1128/JCM.00524-13

Table 1.

βLACTA test results and CAZ 30-μg disk inhibition diameters of acquired β-lactamase-producing P. aeruginosa strains

Resistance mechanism(s)	Resistance determinant(s)	CAZ inhibition zone diam (mm)	BLT result
ESBLs	BEL-1	17	Purple
	BEL-1	12	Purple
	BEL-1	21	Purple
	BEL type^a	6	Purple
	BEL type^a	13	Purple
	BEL type^a	14	Purple
	GES-1	6	Orange
	GES-5	10	Orange
	GES-5	10	Red
	GES-18 + CARB-1	17	Orange
	GES type^a	13	Red
	PER-1	6	Purple
	PER-1	6	Purple
	PER type^a + OXA G2	6	Purple
	PER type^a	6	Purple
	PER type^a	6	Purple
	PER type^a	6	Purple
	VEB-1a	6	Purple
	VEB-1b	6	Purple
	VEB-1b	6	Purple
	VEB-1b + OXA-10	6	Purple
	VEB-1	6	Purple
MBLs	IMP-7	6	Purple
	IMP-7	6	Purple
	IMP-13	6	Purple
	IMP-13	6	Purple
	IMP-13	6	Purple
	VIM-2	6	Orange
	VIM-2	6	Orange
	VIM-2	12	Orange
	VIM-2	9	Orange
	VIM-2	13	Orange
	VIM-2	10	Orange
	VIM-4	18	Yellow
	VIM-4	6	Orange
	VIM-4	25	Orange
	VIM-4	7	Red
	VIM-4 + OXA-35	12	Orange
	VIM type^a	9	Orange
	VIM type^a	12	Yellow
	VIM type^a	8	Orange
	VIM type^a	6	Yellow
	VIM type^a	10	Orange
	VIM type^a	6	Red
	VIM type^a	10	Orange
	VIM type^a	6	Red
Carbenicillinases	CARB type^a	21	Orange
	CARB type^a	25	Orange
	CARB type^a	22	Orange
	CARB type^a	23	Orange
	CARB type^a	25	Orange
Oxacillinases	OXA-1	16	Orange
	OXA-2	21	Orange
	OXA-2	20	Red
	OXA-9	6	Orange
	OXA-10	25	Purple
	OXA-G10	24	Purple
	OXA-18 + OXA-20	10	Purple
	OXA-18 + OXA-20	6	Purple
	OXA-198	27	Orange
MBLs with ESBLs	VIM-2 + BEL-1	6	Purple
	VIM-2 + BEL-2	8	Purple
	VIM type^a + BEL-type^a	6	Purple
	VIM type^a + BEL-type^a	6	Purple

Unsequenced gene.