Table 1.

Primers used in this study

No.	Primers	Sequence 5′ — 3′	Amplicon size (bp)	Reference
1	OprI	F 5′-ATGAACAACGTTCTGAAATTC TCTGCT-3′	249 bp	(27)
		R 5′-CTTGCGGCTGGCTTTTTCCAG-3′
2	OprL	F 5′-ATGGAAATGCTGAAATTCGGC-3′	504 bp	(27)
		R 5′-CTTCTTCAGCTCGACGCGACG-3′
3	TEM	R 5′-ATAAAATTCTTGAAGAC-3′	1,075 bp	(23)
		F 5′-TTACCAATGCTTAATCA-3′
4	SHV	F 5′-TGGTTATGCGTTATATTCGCC-3′	867 bp	(23)
		R 5′-GCTTAGCGTTGCCAGTGCT-3′
5	PRE	F 5′-AATTTGGGCTTAGGGCAGAA-3′	933 bp	(28)
		R 5′-ATGAATGTCATTATAAAAGC-3′
6	VEB	F 5′-CGACTTCCATTTCCCGATGC-3′	642 bp	(23)
		R 5′-GGACTCTGCAACAAATACGC-3′
7	CTX-M13U	F 5′-GGTTAAAAAATCACTGCGTC-3′	863 bp	(23)
		R 5′-TTGGTGACGATTTTAGCCGC-3′
8	CTX-M9U	F 5′-ATGGTGACAAAGAGAGTGCA-3′	870 bp	(23)
		R 5′-CCCTTCGGCGATGATTCTC-3′
9	CTX-M25U	F 5′-ATGATGACTCAGAGCATTCG-3′	865 bp	(23)
		R 5′-TGGGTTACGATTTTCGCCGC-3′
10	OXA	F 5′-GTCTTTCG(A)AGTACGGCATTA-3′	699 bp	(23)
		R 5′-ATTTTCTTAGCGGCAACTTAC-3′
11	FOXM	F 5′-AACATGGGGTATCAGGGAGATG-3′	190 bp	(24)
		R 5′-CAAAGCGCGTAACCGGATTGG-3′
12	VIM	F 5′-GATGGTGTT TGG TCG CAT A-3′	390 bp	(25)
		R 5′-CGA ATG CGC AGC ACC AG-3′
13	IMP	F 5′-GGAATAGAGTGGCTTAATTCTC-3′	188 bp	(25)
		R 5'-CCAAACCACTACGTTATCT-3′
14	GIM	F 5'-TCG ACA CAC CTT GGT CTG AA -3′	477 bp	(25)
		R 5'-AAC TTC CAA CTT TGC CAT GC-3′
15	SPM	F 5'-AAA ATC TGG GTA CGC AAA CG-3′	271 bp	(25)
		R 5'-ACA TTA TCC GCT GGA ACA GG-3′
16	SIM	F 5′-TAC AAG GGA TTC GGC ATC G-3′	570 bp	(25)
		R 5′-TAA TGG CCT GTT CCC ATG TG-3′