نتایج جستجو برای: enterococcus faecium
تعداد نتایج: 12133 فیلتر نتایج به سال:
Fifty-six Enterococcus spp. strains were isolated from foods in Southern Brazil, confirmed by PCR and classified as Enterococcus faecalis (27), Enterococcus faecium (23) and Enterococcus spp (6). Antimicrobial susceptibility tests showed resistance phenotypes to a range of antibiotics widely administrated in humans such as gentamycin, streptomycin, ampicillin and vancomycin.
To assess the potential for emergence of resistance during the use of linezolid, we tested 10 clinical isolates of vancomycin-resistant enterococci (VRE) (four Enterococcus faecalis, five Enterococcus faecium, and one Enterococcus gallinarum) as well as a vancomycin-susceptible control (ATCC 29212) strain of E. faecalis. The enterococci were exposed to doubling dilutions of linezolid for 12 pas...
OBJECTIVES The aim of this study was to discover the potential role of the pig farm environment in the spread of multidrug-resistant (MDR) Enterococcus strains, including high-risk clones, to animals and humans. METHODS Enterococcus isolates were recovered from a variety of samples (n = 82; swine, feed/medicines/antiseptics and pig farm facilities) from six Portuguese farms, most using antibi...
Enterococcus faecium has recently emerged as a serious nosocomial pathogen. The prevalence and severity of enterococcal infections, the mortality rate from such infections, and the antibiotic resistance of enterococci are often species dependent. Since conventional biochemical methods fail to differentiate E. faecium from certain newly described enterococcal species, a PCR-based assay was devel...
This retrospective cohort study revealed that linezolid resistance in vancomycin-resistant Enterococcus faecium was dependent on prior linezolid exposure and duration of linezolid therapy. These strains of E. faecium were resistant to the entire class of oxazolidinones.
An approximately 60-kb transferable, vanB-carrying plasmid has been identified in a clinical Enterococcus faecium strain. A similar plasmid has been observed in an unrelated E. faecium strain, suggesting that plasmid transfer of vanB operons occurs in nature and plays a role in the dissemination of VanB-type resistance among strains of E. faecium.
Sows and their piglets were fed a diet supplemented with or without the probiotic E. faecium NCIMB10415 (also known as SF68). Piglets were sacrificed 14, 28, 35 and 56 days after birth and DNA from intestinal segments was extracted and purified. A real time PCR assay was used to distinguish Enterococcus spp. (16s rDNA based), E. faecium (Efaafm gene), E. faecalis (Efaafs gene) as well as the pr...
We determined the antibiotic susceptibilities of 1,785 enterococcal bloodstream isolates collected over 25 years. Antibiotic resistance emerged at a greater rate in Enterococcus faecium than in other enterococcal species, and E. faecium isolates became proportionally more common over time. Our findings confirm the pattern of emerging antibiotic resistance among enterococci and highlight the inc...
Enterococci are Gram-positive cocci saprophyte of the human gastrointestinal tract, diners who act as opportunistic pathogens. They can cause infections in patients hospitalized for a long time or who have received multiple antibiotic therapy. Enterococcus faecalis and Enterococcus faecium are the most common species in human infections. To evaluate the possibility of rapid detection of these s...
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