Gene

Primer sequence (5' ® 3')

TM (˚C)

Amplicons size (bp)

CTX-M

Forward: CGCTTTGCGATGTGCAG

Reverse: ACCGCGATATCGTTGGT

52

551

SHV

Forward: ATGCGTTATATTCGCCTGTG

Reverse: TGCTTTGTTATTCGGGCCAA

52

972

TEM

Forward: AAACGCTGGTGAAAGTA

Reverse: AGCGATCTGTCTAT

45

560