Methicillin- and gentamicin-resistant strains of Staphylococcus aureus isolated in Dublin hospitals have been classified into groups I, II, and III based on resistance to antimicrobial agents and plasmid profiles. Each group expresses a characteristic level of resistance to gentamicin, tobramycin, and sisomicin. Enzyme assays showed that resistant strains expressed 2"-aminoglycoside phosphotran...

Introduction: Helicobacter pylori infection is associated with a wide range of digestive diseases and is very prevalent in developing countries, although few data exist on the susceptibility of helicobacter pylori to antimicrobial agents. The aim of this study was to determine the susceptibility patterns in helicobacter pylori strains isolated from patients in Kermanshah to twelve antimicrobial...

Tobramycin and amikacin are new aminoglycoside antibiotics which resemble gentamicin and kanamycin respectively in pharmacokinetic, toxicological, and some microbiological respects. Minimum inhibitory concentrations for these four antibiotics have been determined against 393 bacterial strains (13 species from eight genera) isolated from clinical materialKanamycin was the least active, 89% of th...

introduction: escherichia coli (e.coli) as a main cause of both nosocomial and community-acquired infections in humans have a relative potential to develop resistance. nowadays, most infections caused by esbl-producing e.coli (esblec) had mostly been described as nosocomial acquired or nursing home related. in this study, we employed e-test assay to detect antibiotic resistance of e.coli strain...

The commonly isolated organisms, Staphylococcus aureus, Escherichia coli, Klebsiella species, Pseudomonas aeruginosa, Acinetobacter species, Proteus species and Enterobacter species from clinical material other than blood, cerebrospinal fluid and stool, were analysed for their incidence and increasing trends of resistance to the commonly used antimicrobials. Staphylococcus aureus was tested aga...

We determined the importance and dissemination of enzymatic mechanisms of aminoglycoside resistance in 239 gentamicin-resistant strains of Gram-negative bacilli isolated in Slovakia during the past decade. Over the past 5 years, the resistance to tobramycin has risen by 1.1% to netilmicin by 27.4%, to amikacin by 78.3%, and resistance to isepamicin was high too (81.9%). Sixteen different aminog...

Objective: In recent years, there has been an increasing interest in using herbal products to overcome bacterial resistance. The aim of this study was to investigate the effect of lemon verbena aqueous extract, verbascoside and caffeine in combination with gentamicin against standard and clinical isolates of Staphylococcus aureus and Escherichia coli strains. Materials and Methods: The MIC and ...

Gentamicin is the preferred antimicrobial agent used in implant coating for the prevention of implant-related infections (IRI). However, the present heavy local and systemic administration of gentamicin can lead to increased resistance, which has made its future use uncertain, together with related preventive technologies. Fosfomycin is an alternative antimicrobial agent that lacks the cross-re...

OBJECTIVES We determined the presence of antibiotic-resistant enterococci (ARE) in commercialized poultry samples from Portugal and analysed their clonal diversity and the resistance genes harboured by these strains. METHODS Ninety-nine retail poultry samples of 10 widely commercialized brands were studied (1999-2001). Samples were enriched and plated on selective media with and without vanco...