PCR Detection of Plasmid Mediated TEM, SHV and AmpC β-Lactamases in Community and Nosocomial Urinary Isolates of Escherichia coli
نویسندگان: ثبت نشده
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منابع مشابه
Study of Antibiotic Susceptibility Pattern and Frequency of Extended Spectrum β-lactamases Genes TEM and SHV in Urinary Tract Isolates of Escherichia coli and Klebsiella pneumoniae in Tabriz
Background & objectives: Urinary tract infection (UTI) is one of the most common types of human infections and Escherichia coli and Klebsiella pneumonia are the main causes of urinary tract infection among the gram negative bacteria. The prevalence of extended-spectrum β-lactamases (ESBLs) among these bacteria and hence resistant strains to β-lactam antibiotics have increased in recent decades...
متن کاملprevalence of ampc and shv β-lactamases in clinical isolates of escherichia coli from tehran hospitals
background beta-lactam resistance in gram-negative bacteria, especially escherichia coli, is a main clinical problem. it is often caused by the co-production of β-lactamases, particularly extended-spectrum β-lactamases (esbls) and ampc enzymes. it may lead to a problem for diagnosis via recommended phenotypic tests by the clinical and laboratory standards institute (clsi). conversely, β-lactama...
متن کاملmultiplex pcr study of plasmid-mediated ampc beta-lactamase genes in clinical isolates of escherichia coli
background : ampc β-lactamases are important cephalosporinases chromosomally encoded in many of enterobacteriaceae and a few other organisms where they mediate resistance to cephalothin, cefazolin, cefoxitin and penicillins. the six different families of plasmid-mediated ampc β-lactamases have been described, but no phenotypic test can discriminate among them. ampc multiplex pcr has been succ...
متن کاملDetection of TEM, SHV and CTX-M Antibiotic Resistance Genes in Escherichia coli Isolates from Infected Wounds
ABSTRACT Background and Objective: Escherichia coli is one of the most common causes of hospital-acquired infections. Extended-spectrum β-lactamase (ESBL)-producing E. coli strains are resistant to third-generation cephalosporins. The three main genes involved in ESBL production are TEM, SHV and CTX-M. Detection of ESBL-producing E. coli is of importan...
متن کاملDetection of plasmid-mediated AmpC β-lactamase in Escherichia coli
Escherichia coli (E. coli) is a common opportunistic pathogen for nosocomial infection. The aim of the study was to examine the phenotype, genotype and epidemiology of plasmid-mediated AmpC β-lactamases in E. coli. In total, 96 clinical isolates of repeated E. coli were collected from different hospitals between August and October 2012. Using a cefoxitin disk diffusion method to identify the ph...
متن کاملCharacterization of β-Lactamases from Urinary Isolates of Escherichia coli in Tehran
Knowledge of antimicrobial resistance patterns in E. coli, the predominant pathogen associated with urinary tract infections (UTI) is important as a guide in selecting empirical antimicrobial therapy. Methods: To describe the antimicrobial susceptibility of E. coli associated with UTI in a major university hospital in Tehran (Iran), seventy-six clinical isolates of E. coli were studied for susc...
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عنوان ژورنال
دوره 3 شماره 1
صفحات 48- 54
تاریخ انتشار 2005-01-01
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