Primer

Strain

CTX-M-1

group

CTX-M-2

group

CTX-M-9

group

TEM

group

SHV

group

ampC

Klebsiella pneumoniae A-12

±

±

±

Escherichia coli D-18

+

+

Klebsiella quasipneumoniae B-7

+

+

Klebsiella pneumoniae B-8

+

+

Klebsiella pneumoniae B-11

±