Table 1: Oligonucleotide primers used for detection of beta-lactamase genes.

Primers	Forward Primers 5′-3′	Reverse Primers 3′ - 5′	Reference
SHV	AGGATTGACTGCCTTTTTG	CGAGTAGTCCACCAGATCCT	EF125011
TEM	TTTCGTGTCGCCCTTATTCC	ATCGTTGTCAGAAGTAAGTTGG	AB282997
CTX-M	CGCTGTTGTTAGGAAGTGTG	GGCTGGGTGAAGTAAGTGAC	DQ303459