[PDF] Top 20 Characterization of two new CTX-M-25-group extended-spectrum β-lactamase variants identified in Escherichia coli isolates from Israel.

... MICs of b-lactams for the CTX-M-94- and -100-producing isolates are shown in Table ...The CTX-M-94 harbouring isolate exhibited four- to approximately 200-fold higher MICs ... See full document

... E. coli strain isolated from dairy products 57 (38%) isolates were identified as ESBL-producing strains using DDST ...positive isolates could be typed for one or more ...was ... See full document

... importance of phylogroups and virulence factors (VF) in bloodstream infections (BSI) caused by extended-spectrum b-lactamase-producing Escherichia coli ...cases of ... See full document

... potential in bacterial populations due to the location of such resistance genes on transferable ...plasmids. In epidemiological investigations of plasmid bound resistance, the typing of ... See full document

... to β-lactam antibiotics dates back to the first years of discovery of resistance to the first antibiotic, ...first β-lactamase was observed in Escherichia coli ... See full document

... ated in our study showed the greatest diversity of bla genes (brand IV in ...bla CTX-M-15 and the two isolates simultaneously harbour- ing bla CTX-M-type and ... See full document

... cephalosporins in Salmonella isolates due to ESBL has been recently identified worldwide (Newell et ...emergence of ESBL include: (1) The use of third generation cephalosporins ... See full document

... proportion of the ESBL- producers were detected with cefotaxime alone versus cefotaxime/clavulanate discs than with ceftazidime versus ceftazidime/clavulanate ...observations of other investigators ... See full document

... with isolates of the CESP group (Citrobacter ...placed in a 20 mm plate center (center to center) away from a ceftriaxone dis-k (30 µg) (Laborclin, Brazil) and ceftazidime disk (30 µg) ... See full document

... E. coli and Proteus ...reduction in susceptibility zone diameter for one or more of five antimicrobial agents (cefpodoxime, aztreonam, ceftriaxone, cefotaxime and ...tested in combination with ... See full document

... emergence of Extended-Spectrum Beta-Lactamase (ESBL)-producing microorganisms in Brazilian hospitals is a challenge that concerns scientists, clinicians and healthcare institutions due ... See full document

... mortality in wild birds (Foster et al., 1998). However, the isolation of this serogroup in a single bird (Amazona aestiva) in this study reveals that psittacine may act as asymptomatic ... See full document

... recommended, in the period of 2005 to 2009, to perform additional tests for the detection of extended-spectrum beta-lac- tamases (ESBL) production among Escheri- chia coli, ... See full document

... out of the 202 (72.8%) isolates analyzed herein were resistant to at least six antimicrobial agents while the results of the PFGE showed that the ESBL- and/or PMQR-positive isolates exhibited ... See full document

... toxin-producing Escherichia coli (STEC) can cause a broad spectrum of human illness ranging from uncomplicated diarrhea to hemorrhagic colitis (HC) and hemolytic-uremic syndrome (HUS) ... See full document

... analysis of 3895 urine samples provided by “Laborexpress 2000” - Varna. They in- clude all urine samples of children patients (aged 0 to 18 years), examined during the period ...ability of ... See full document

... identification of Gram-negative susceptibility, and then the AST N151 card (bioMérieux®, Marcy-l’Étoile, France) for Gram-negative ...standards of the Clinical and Laboratory Standards Institute (CLSI) for ... See full document

... E. coli harboring pREM-1 [AAC(6’)-30] recombinant plasmid did not demonstrate an obvious resistance profile; however, a slight increase in the aminoglycoside MIC values was observed suggesting its complete ... See full document

... (10.5%) isolates were resistant to imipenem, levofloxacin, and gatifloxacin, ...(17.5%) isolates were defined as MDR. The phenotypic test for ESBL, AmpC β-lactamase, and carbapenemase ... See full document

... lence of extended-spectrum β-lactamases (ESBLs) as well as AmpC β-lactamases produc- ers among Escherichia coli from different sources in the community ... See full document