Table 1. Sequences of primers for resistance genes PCR amplification.

Gene	Primersa	Primer sequences (5′-3′)	Expected amplicon size (bp)
TEM	F R	ATAAAATTCTTGAAGACGAAA GACAGTTACCAATGCTTAATC	1,080
SHV	F R	TGGTTATGCGTTATATTCGCC GGTTAGCGTTGCCAGTGCT	865
CTX-M-1	F R	AAAAATCACTGCGCCAGTTC AGCTTATTCATCGCCACGTT	415
CTX-M-2	F R	CGACGCTACCCCTGCTATT CCAGCGTCAGATTTTTCAGG	552
CTX-M-8	F R	TCGCGTTAAGCGGATGATGC AACCCACGATGTGGGTAGC	666
CTX-M-9	F R	CAAAGAGAGTGCAACGGATG ATTGGAAAGCGTTCATCACC	205
CTX-M-25	F R	GCACGATGACATTCGGG AACCCACGATGTGGGTAGC	327
OXA-1	F R	CTGTTGTTTGGGTTTCGCAAG CTTGGCTTTTATGCTTGATG	440
OXA-2	F R	CAGGCGCYGTTCGYGATGAGTT GCCYTCTATCCAGTAATCGCC	233
OXA-10	F	GTCTTTCRAGTACGGCATTA	822
	R	GATTTTCTTAGCGGCAACTTA
VEB	F R	GCGGTAATTTAACCAGA GCCTATGAGCCAGTGTTC	961
GES	F R	ATGCGCTTCATTCACGCAC CTATTTGTCCGTGCTCAGG	846
PER	F R	AGTCAGCGGCTTAGATA CGTATGAAAAGGACAATC	978

Notes.

^aPrimer, The ‘F’ meant the forward primer and the ‘R’ meant the reverse primer.