Table 1: Primers used to amplify the genes of beta-lactamase.

Target Type of β-Lactamase Genes Primer Sequence Size of
Product (bp)
AT (ºC)
blaSHV 5´-TTA ACT CCC TGT TAG CCA-3´ (F) 860 51.2
5´-GAT TTG CTG ATT TCG CCC-3´ (R)
blaTEM 5´-ATG AGT ATT CAA CAT TTC CG-3´ (F) 867 52.2
5´-CTG ACA GTT ACC AAT GCT TA-3´ (R)
blaOXA 5´-ACA CAA TAC ATA TCA ACT TCG -3´ (F) 885 60
5´-AGT GTG TTT AGA ATG GTG ATC-3´ (R)
blaVEB 5´-CGA CTT CCA TTT CCC GAT GC-3´ (F) 1014 55
5´-GGA CTC TGC AAC AAA TAC GC-3´ (R)
blaCTX 5´-TTT GCG ATG TGC AGT ACC AGT AA- 3´ (F) 560 60
5´-CTC CGC TGC CGG TTT TAT -3´ (R)