… Klebsiella pneumoniae to carbapenems is mainly associated with acquired carbapenem-hydrolyzing
β-lactamases … clinical Klebsiella pneumoniae isolates that produce β-lactamase bla …

… of extended spectrum β-lactamase (ESBL) in multi drug resistant (MDR) strains of Klebsiella
pneumoniae isolated from different clinical samples… Methods: A total of 120 MDR strain of K. …

… recurrent colonization by Klebsiella pneumoniae strains producing type SHV-4 extended-spectrum
b-lactamases (ESBLs), … Fifty-one patients colonized or infected by ESBL-producing K. …

Background: Commonly encountered nosocomially acquired gram-negative bacteria,
especially Klebsiella pneumoniae, produce extended-spectrum β-lactamases (ESBLs) as an …

… The prevalence of antibiotic resistance among extended-spectrum β-lactamase (ESBL)-producing
Escherichia coli and Klebsiella pneumoniae has increased markedly in recent years. …

… We investigated the diversity of the chromosomal class A beta-lactamase gene in Klebsiella
pneumoniae in order to study the evolution of the gene. A 789-bp portion was sequenced in …

The status of SHV-1 or related β-lactamases as “typical” of Klebsiella pneumoniae … of us,(2)
we screened 20 isolates identified as K. pneumoniae with API 20E tests (Bio-Merieux, Lyons, …

… The worldwide spread of extended-spectrum β-lactamase (ESBL)-producing bacteria,
particularly Escherichia coli and Klebsiella pneumoniae, is a critical concern for the development …

… extended-spectrum β-lactamase (ESBL)-producing bacteria, particularly Escherichia coli and
Klebsiella pneumoniae, is now a … Nosocomial infections due to TEM and SHV-producing K. …

… For the reasons given below, the AmpC β-lactamases detected in K. pneumoniae
isolates in this study are referred to as imported AmpC β-lactamases. …