… Escherichia coli strains belonging to diverse pathotypes have increasingly been recognized
… β-lactam antibiotics have been used successfully to treat infections caused by pathogenic E. …

… and Escherichia coli (3,4). These enzymes probably evolved from chromosomal β-lactamases …
ESBLs are usually described as acquired β-lactamases that are encoded mainly by genes …

… Extended-spectrumβ-lactamase (ESBL)-producing Escherichia coli has emerged worldwide
as a significant group of community pathogens. This is of clinical importance because E coli …

… This review discusses the recent findings (July 2008–January 2010) on extended-spectrum
β-lactamase (ESBL)-producing Escherichia coli, mainly focussed on the epidemiology and …

… chromosomal 8-lactamase operon of Escherichia coli. A single base alteration within this
attenuator led to a loss in the cell's ability to coordinate its content of 6-lactamase with growth …

… The X‐ray structure of Escherichia coli TEM1β‐lactamase has been refined to a crystallorgphic
… It was found that the E. coli TEM1 and Staphylococcus aureus PC1 β‐lactamases crystal …

… among extended-spectrum β-lactamase (ESBL)-producing Escherichia coli and Klebsiella
… Thirty-three patients with infection due to ESBL-producing E. coli or K. pneumoniae (case …

… to extended-spectrum cephalosporins, Escherichia coli strains may become resistant to these
β-… The β-lactamase described in this report is a novel plasmid-encoded ESBL from an E. …

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

… We have constructed a tripartite fusion consisting of (i) the signal sequence and rust nine
N-terminal amino acids of the mature major Escherichia coli lipoprotein, (it) amino acids 46-159 …