CTX-M group of extended spectrum β lactamases (ESBLs) represents a rapidly emerging problem in many countries. The prevalence of nosocomial
bla CTX-M-1 producing
Enterobacteriaceae
strains has not been reported earlier in Indian hospitals. This study describes molecular subtyping of nosocomial
bla CTX-M producing strains of
Enterobacteriaceae . Polymerase chain reaction with primers specific for
bla CTX-M-1 coding genes was used to identify 95
Enterobacteriaceae strains producing
bla CTX-M positive isolates. Of the 95
bla CTX-M producing isolates, 45 strains were positive for
bla CTX-M-1 .
bla CTX-M-1 was found to be most prevalent in
Klebsiella
strains.
