Table 2.

Nucleotide sequences of PCR primers used to amplify bla_CTX-M alleles

Gene	Primer sequence (5'-3')		Amplicon size (bp)	Reference
blaCTX-M-1	F	AAA AAT CAC TGC GCC AGT TC	415
	R	AGC TTA TTC ATC GCC ACG TT
blaCTX-M-2	F	CGA CGC TAC CCC TGC TAT T	552
	R	CCA GCG TCA GAT TTT TCA GG
blaCTX-M-8	F	TCG CGT TAA GCG GAT GAT GC	666
	R	AAC CCA CGA TGT GGG TAG C		[15]
blaCTX-M-9	F	CAA AGA GAG TGC AAC GGA TG	205
	R	ATT GGA AAG CGT TCA TCA CC
blaCTX-M-25/-26	F	GCA CGA TGA CAT TCG GG	327
	R	AAC CCA CGA TGT GGG TAG C