TABLE 2.

Oligonucleotide sequences used in this study

Procedure and primer or probe	Sequencea	Function	Source or references
Standard PCR and DNA sequencing
GES-C	GTT TTG CAA TGT GCT CAA CG	Forward primer	This study
GES-D	TGC CAT AGC AAT AGG CGT AG	Reverse primer	This study
PNA-based multiplex PCR
GES-1A	ATG CGC TTC ATT CAC GCA C	Forward primer	24, 29
GES-1B	CTA TTT GTC CGT GCT CAG G	Reverse primer	24, 29
GES-E	GTG TGT TGT CGT TCA TCT C	Reverse primer complementary to blaGES-2	This study
GES-F	CCT GGC GAC CTC AGA GAT AC	Forward primer	This study
PNA probe	GTT GTC GCC CAT CTC	Complementary to blaGES-1 and blaIBC	This study

^aSequences are delineated 5′ to 3′. Relevant point mutations are depicted in boldface.