Table S1.

Primers used in study with target gene and amplicon size

Target gene	Primer name	Sequence	Product size	Reference
blaCTX-M	CTX-M-F CTX-M-R	5′SCS ATG TGC AGY ACC AGT3′ 5′ACC AGA AYV AGC GGB GC3′	585 bp	13, 14
blaCTX-M-1	CTX-M-1-F CTX-M-1-R	5′GCG TGA TAC CAC TTC ACC TC3′ 5′TGA AGT AAG TGA CCA GAA TC3′	260 bp	13, 14
blaCTX-M-2	CTX-M-2-F CTX-M-2-R	5′TGA TAC CAC CAC GCC GCT C3′ 5′TAT TGC ATC AGA AAC CGT GGG3′	341 bp	13, 14
blaCTX-M-9	CTX-M-9-F CTX-M-9-R	5′ATC AAG CCT GCC GAT CTG GTT A3′ 5′GTA AGC TGA CGC AAC GTC TGC3′	293 bp	13, 14