TABLE 1.

PCR primers employed

Target	β-Lactamase(s)	Primers	Amplification product size (bp)	Reference
ESBL	TEM	blaTEMF, blaTEMR	1,079	17
	SHV	blaSHVR, blaSHVR	868
	CTX-M1 group	CTX-1F, CTX-1R	864	28
	CTX-M2 group	CTX-2F, CTX-2R	866
	CTX-M9 group	CTX-9F, CTX-9R	785	16
pAmpC	MOX-1, MOX-2, CMY-1, CMY-8 to CMY-11	MOXMF, MOXMR	520	20
	LAT-1, CMY-2 to CMY-7	CITMF, CITMR	462
	DHA-1, DHA-2	DHAMF, DHAMR	405
	ACC	ACCMR, ACCMF	346
	MIR-1T, ACT-1	EBCMF, EBCMR	302
	FOX-1 to FOX-5b	FOXMF, FOXMR	190