Table 1.

Details of primers and their respective polymerase chain reaction conditions.

Gene	Size	Polymerase chain reaction protocol	Sequence of gene
UidA	147 bp	Initial denaturation was carried out for 7 min at 95°C followed by total 35 cycles of 30 sec each at 95°C; annealing for 30 sec at 55°C; extension for 30 sec at 72°C, followed by final extension at 72°C, for 7 min	F-TGGTAATTACCGAC GAAAACGGC R-ACGCGTG GTTACAGTCTTGCG
blaCTX-M-15	996 bp	Initial denaturation for 4 min at 96°C followed by total 34 cycles of 20 sec each at 95°C; annealing for 20 sec at 56°C; 60 sec at 72°C, followed by final extension at 72°C, for 5 min	F-CACACGTGGAATTTAGGGACT R-GCCGTCTAAGGCGATAAACA
tetB	634 bp	Initial denaturation for 3 min at 95°C followed by total 35 cycles of 1 min each at 94°C; annealing for 90 sec at 56°C; 60 sec at 72°C, followed by final extension at 72°C, for 8 min	F-CCTCAGCTTCTCAACGCGTG R-GCACCTTGCTGATGACTCTT
TMP-SMX dfrA1	367 bp	Initial denaturation for 3 min at 95°C followed by total 35 cycles of 1 min each at 94°C; annealing for 90 sec at 45°C; 60 sec at 72°C, followed by final extension at 72°C, for 8 min	F-GGAGTGCCAAAGGTGAACAGC R-GAGGCGAAGTCTTGGGTAAAAAC
PAP		Initial denaturing 3 min at 94°C, 35 cycles of 1 min at 94°C, 1 min at 58°C, 1 min at 72°C followed by final extension of 5 min at 72°C	F-AACCTGGCTTACGCAACTGTACCC GT R-CTG CAA AAT CAT GGA T
Heat-labile toxin		Initial denaturing 3 min at 94°C, 35 cycles of 1 min at 94°C, 1 min at 58°C, and 1 min at 72°C and final extension for 5 min at 72°C	F-GCACACGGAGCTCCTCAGTC R-TCCTTCATCCTT TCA ATG GCT TT