نتایج جستجو برای: aminoglycoside resistance
تعداد نتایج: 377867 فیلتر نتایج به سال:
The resistance-nodulation-division (RND) family multidrug efflux system MexXY-OprM is a major determinant of aminoglycoside resistance in Pseudomonas aeruginosa, although the details of aminoglycoside recognition and export by MexY, the substrate-binding RND component of this efflux system, have not been elucidated. To identify regions/residues of MexY important for aminoglycoside resistance, p...
Aminoglycoside-modifying enzymes among Proteus mirabilis aminoglycoside-modifying enzymes, Proteus mirabilis, ESBL, plasmid-mediated resistance
background: aminoglycoside antibiotics are widely used in medical centers, particularly to treat infections. the resistance developed against these agents is a huge concern in health care. a number of researchers have reported that hospital and municipal wastewaters are among the most important dissemination sources of these agent into the environment. some, however, do not agree with this opin...
High-level aminoglycoside resistance was assessed in 190 commensal erythromycin-resistant alpha-hemolytic streptococcal strains. Of these, seven were also aminoglycoside-resistant: one Streptococcus mitis strain was resistant to high levels of kanamycin and carried the aph(3 ')-III gene, four S. mitis strains were resistant to high levels of streptomycin and lacked aminoglycoside-modifying enzy...
Background: Aminoglycoside antibiotics are widely used in medical centers, particularly to treat infections. The resistance developed against these agents is a huge concern in health care. A number of researchers have reported that hospital and municipal wastewaters are among the most important dissemination sources of these agent into the environment. Some, however, do not agree with this opin...
OBJECTIVES Prevalences of cephalosporin-resistant Enterobacteriaceae are increasing globally, especially in intensive care units (ICUs). The effect of selective digestive tract decontamination (SDD) on the eradication of cephalosporin-resistant Enterobacteriaceae from the intestinal tract is unknown. We quantified eradication rates of cephalosporin-resistant and cephalosporin-susceptible Entero...
conclusions the present study showed a high prevalence of aminoglycoside-resistance genes among mrsa isolates in two cities in iran. results the results of drug susceptibility testing showed that the highest rate of resistance was against erythromycin in tehran (84.4%) and gentamicin (71.7%) in sari. all isolates were sensitive to vancomycin, and all strains harbored the meca gene. the aac (6’)...
background: acinetobacter spp. is characterized as an important nosocomial pathogen and increasing antimicrobial resistance. our aim was to evaluate antimicrobial susceptibility and aminoglycosides resistance genes of acinetobacter spp. isolated from hospitalized patients. methods: sixty isolates were identified as acinetobacter species. the isolates were tested for antibiotic resistance by d...
BACKGROUND Acinetobacter baumannii is a significant hospital pathogen, possessing a considerable degree of antimicrobial resistance. A. baumannii resistance to carbapenems and aminoglycosides is mostly conferred by class D OXA carbapenemases and aminoglycoside-modifying enzymes, respectively. The aim of this study was to determine the prevalence of selected genes encoding OXA carbapenemases and...
BACKGROUND Aminoglycosides are a group of antibiotics that have been widely used in the treatment of life-threatening infections of Gram-negative bacteria. OBJECTIVES This study aimed to evaluate the frequency of aminoglycoside resistance genes in Enterococcus and Salmonella strains isolated from clinical samples by PCR. MATERIALS AND METHODS In this study, 140 and 79 isolates of Enterococc...
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