AmpC β-lactamases are clinically important cephalosporinases encoded on the
chromosomes of many of the Enterobacteriaceae and a few other organisms, where they …

Serratia marcescens is a ubiquitous bacterium from order Enterobacterales displaying a
high genetic plasticity that allows it to adapt and persist in multiple niches including soil …

Serratia species, in particular Serratia marcescens, are significant human pathogens. S.
marcescens has a long and interesting taxonomic, medical experimentation, military …

Kong K‐F, Schneper L, Mathee K. Beta‐lactam antibiotics: from antibiosis to resistance and
bacteriology. APMIS 2010; 118: 1–36. This review focuses on the era of antibiosis that led to …

Production of beta-lactamases, the enzymes that degrade beta-lactam antibiotics, is the
most widespread and threatening mechanism of antibiotic resistance. In the past, extensive …

AmpC β-lactamases have been a target of study since the late 1970s. Most of these
enzymes are cephalosporinases but are capable of hydrolysing all β-lactams to some …

Background AmpC β-lactamases are encoded on the chromosomes of certain
Enterobacterales and lead to clinical resistance to various β-lactams in case of high-level …

Recently, a Texas, USA hospital isolated seven Pseudomonas aeruginosa strains
displaying dual resistance to fluoroquinolones and imipenem. These isolates were resistant …

Enterobacter cloacae complex (ECC), an opportunistic pathogen causing numerous
infections in hospitalized patients worldwide, is able to resist β-lactams mainly by producing …

Eleven Klebsiella pneumoniae clinical isolates and one Klebsiella oxytoca clinical isolate
showing various pulsed-field gel electrophoresis types and producing an inducible DHA-1 …