Species of the Enterobacter cloacae complex are widely encountered in nature, but they can
act as pathogens. The biochemical and molecular studies on E. cloacae have shown …

Extended-spectrum β-lactamases (ESBLs) are a rapidly evolving group of β-lactamases
which share the ability to hydrolyze third-generation cephalosporins and aztreonam yet are …

Background The global emergence and spread of extended-spectrum beta-lactamases
(ESBLs) producing Enterobacteriaceae have been threatening the ability to treat an …

SUMMARY β-Lactamases continue to be the leading cause of resistance to β-lactam
antibiotics among gram-negative bacteria. In recent years there has been an increased …

The medical community relies on clinical expertise and published guidelines to assist
physicians with choices in empirical therapy for system-based infectious syndromes, such as …

The emergence and spread of resistance in Enterobacteriaceae are complicating the
treatment of serious nosocomial infections and threatening to create species resistant to all …

Strains of Enterobacteriaceae producing an extended spectrum β‐lactamase have become
a concern in medical bacteriology as regards both antimicrobial treatment and infection …

Extended spectrum β-lactamase (ESBL)-producing organisms pose unique challenges to
clinical microbiologists, clinicians, infection control professionals and antibacterial-discovery …

Since their first description more than 20 years ago, Escherichia coli and Klebsiella
pneumoniae possessing extended-spectrum class A beta-lactamases (ESBLs) continue to …

Extended-spectrum β-lactamase (ESBL) producing gram-negative bacilli are a growing
concern in human medicine today. When producing these enzymes, organisms (mostly K …