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the clonal relationship among the citrobacter freundii isolated from the main hospital in kermanshah, west of iran
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نویسنده
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rezaei mansour ,akya alisha ,elahi azam ,ghadiri keyghobad ,jafari somayeh
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منبع
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iranian journal of microbiology - 2016 - دوره : 8 - شماره : 3 - صفحه:175 -180
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چکیده
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background and objectives: citrobacter freundii is an opportunistic pathogen causing nosocomial infections and resistant to various antibiotics. we aimed to determine the clonal relationship of c. freundii isolates using pulsed-field gel electrophoresis (pfge). materials and methods: fifty clinical isolates of c. freundii were collected from the main hospital in kermanshah. after antibiotic susceptibility testing and screening for extended-spectrum beta lactamase (esbl), all isolates were genotyped by pfge. the dna fragment patterns were analysed using gelcompar ii version 6.6 software. the dice coefficient was used to calculate similarities for cluster analysis. results: the pfge results of 12 (24%) and 38 (76%) esbl positive and negative isolates, respectively, produced 39 clusters (x1-39) with different genotype patterns. the x1 and x2 clusters were the major clusters, each contained 3 isolates from different hospital wards. however, the majority of isolates showed a high genotypic diversity. conclusion: results revealed the genotypic diversity of c. freundii isolates indicating the various sources for the bacterial isolates. however, the presence of isolates with similar genotypes indicates the common origin for these strains and may reflect the strain dissemination within the hospital wards, in particular in infectious ward and intensive care unit.
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کلیدواژه
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clonal dissemination ,citrobacter freundii ,pulsed-field gel electrophoresis
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آدرس
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school of health, kermanshah university of medical sciences, kermanshah, iran, Iran, Islamic Republic of, nosocomial infection research centre, school of medicine, kermanshah university of medical sciences,kermanshah, iran, Iran, Islamic Republic of, 3department of microbiology, faculty of medicine, kermanshah university of medical sciences, kermanshah,iran, Iran, Islamic Republic of, department of microbiology, faculty of medicine, kermanshah university of medical sciences, kermanshah,iran, Iran, Islamic Republic of, emam reza hospital, kermanshah university of medical sciences, kermanshah, iran, Iran, Islamic Republic of
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پست الکترونیکی
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bartar2004@yahoo.com
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Authors
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