نتایج جستجو برای: extended spectrum β

تعداد نتایج: 600686  

Journal: :archives of clinical infectious diseases 0
freshteh shahcheraghi department of microbiology, pasteur institute of iran, tehran, ir iran; department of microbiology, pasteur institute of iran, tehran, ir iran. email: siavash nasiri department of microbiology, pasteur institute of iran, tehran, ir iran hanieh noveiri department of microbiology, pasteur institute of iran, tehran, ir iran

background escherichia coli (e. coli) species are able to produce extended-spectrum β-lactamases (esbls) that cause high resistance to the beta-lactam antibiotics. therefore, determining the antibiotic susceptibility patterns in resistant organisms is necessary for suitable therapeutic approaches. patients and methods totally, 260 clinical isolates of e. coli were collected from hospitals in te...

Journal: :journal of biotechnology and health sciences 0
amir peymani cellular and molecular research center, qazvin university of medical sciences, qazvin, ir iran taghi naserpour farivar cellular and molecular research center, qazvin university of medical sciences, qazvin, ir iran mahdi mohammadi ghanbarlou cellular and molecular research center, qazvin university of medical sciences, qazvin, ir iran marzieh marandi cellular and molecular research center, qazvin university of medical sciences, qazvin, ir iran mehdi sahmani cellular and molecular research center, qazvin university of medical sciences, qazvin, ir iran reza najafipour cellular and molecular research center, qazvin university of medical sciences, qazvin, ir iran; cellular and molecular research center, qazvin university of medical sciences, qazvin, ir iran. tel/fax: +98-2813324971

conclusions this study was the first report of the emergence of the plasmid-encoded blaoxa genes among e. cloacae isolates in iran. these findings highlight the need to use appropriate infection control policy and rational antibiotic therapy to reduce further spread of these resistant bacteria in the studied hospitals. results in total, 48 esbl-producing isolates (58.5%) were positive for the b...

Journal: :journal of medical bacteriology 0
hedroosha molla agha mirzaeie 1 food microbiology research center, tehran university of medical sciences, tehran, iran. ailar sabbaghi 1 food microbiology research center, tehran university of medical sciences, tehran, iran. mohammad mehdi soltan dallal 2 division of microbiology, department of pathobiology, school of public health, tehran university of medical sciences, tehran, iran.

background :   ampc beta lactamases play a significant role in creating resistance to third generation cephalosporins worldwide. they mostly express on chromosome of enterobacteriaceae especially escherichia coli and cause consequential problem in clinical treatment and lead to failure in diagnosis and phenotypic test recommended by clinical and laboratory standards institute.   methods : total...

Journal: :iranian journal of microbiology 0
fereshteh eftekhar department of microbiology, faculty of biological sciences, shahid beheshti university, tehran, iran. ziaeldin naseh department of microbiology, faculty of biological sciences, shahid beheshti university, tehran, iran.

background and objectives: klebsiella pneumoniae is an opportunistic pathogen responsible for up to 10% of nosocomial infections. the emergence and spread of multidrug resistant k. pneumoniae , mostly due to the production of extended-spec- trum β-lactamases (esbl) and carbapenemases, is often responsible for antibiotic treatment failure of these infections. we compared the antibiotic resistanc...

Journal: :iranian journal of microbiology 0
neda mostatabi department of microbiology, science and research branch, islamic azad university, fars, iran. shohreh farshad clinical microbiology research center, shiraz university of medical sciences, shiraz, iran. reza ranjbar molecular biology research center, baqiyatallah university of medical sciences, tehran, iran.

background and objective: nowadays, the presence of extended-spectrum β-lactamases (esbls) producing strains in serratia genus causes the emergence of resistance to many antibiotics. so, the lack of proper diagnosis of esbls strains can lead to failure in the treatment. the objective of the present study was to investigate esbls production in serratia strains isolated from the clinical blood sa...

Journal: :مجله بین المللی زیست و زیست پزشکی 0
md. anowar khasru parvez department of microbiology, faculty of life sciences, jahangirnagar university, savar, bangladesh taslin jahan mou department of microbiology, faculty of life sciences, jahangirnagar university, savar, bangladesh feroz ahmed department of microbiology, faculty of biological sciences, primeasia university, dhaka, bangladesh

extended-spectrum β-lactamase (esbl)-producing enterobacteria has become a considerable global concern because of their potential dissemination in humans, in domestic animals, wildlife and the environment. the present study aimed to explore the esbl producing  enterobacteria in aquatic sources of bangladesh as the water may be the potential source of dissemination of this alarming antimicrobial...

Alisha Akya Mehrdad Khodadoost

Background and Aims: The rate of urinary tract infection caused by the extended-spectrum-β-lactamase- (ESBL) producing Escherichia coli (E. coli) is increasing worldwide. This study aimed to assess the frequency of blaCTX-M genes in the E. coli isolated from urinary tract infection (UTI) in outpatients. Methods: 240 E. coli bacteria were isolated from the outpatients’ urine samples in the Kerma...

ژورنال: پژوهش در پزشکی 2007
مظفری, نورامیر, زهره طواف لنگرودی, , عباس عبدالهی, , فروهش تهرانی, هما,

Background: Klebsiella pneumoniae is one of the most important and prevalent bacterium isolated from clinical cases especially from hospitalized patients. Recent studies have focused on multiple drug resistant K.pneumoniae strains. In this survey, drug resistance in clinical isolates was studied with special reference to extended spectrum β-lactamase. Methods: A total of 303 K.pneumoniae strai...

Journal: :jundishapur journal of microbiology 0
abolfazl gholipour department of microbiology and immunology, cellular and molecular research center, faculty of medicine, shahrekord university of medical sciences, shahrekord, ir iran neda soleimani department of pathology, al-zahra hospital, isfahan university of medical sciences, isfahan, ir iran dariush shokri nosocomial infection research center, isfahan university of medical sciences, isfahan, ir iran sina mobasherizadeh department of microbiology, al-zahra hospital, isfahan university of medical sciences, isfahan, ir iran mohammad kardi department of pathology, al-zahra hospital, isfahan university of medical sciences, isfahan, ir iran azar baradaran department of pathology, al-zahra hospital, isfahan university of medical sciences, isfahan, ir iran; department of pathology, al-zahra hospital, isfahan university of medical sciences, isfahan, ir iran. tel: +98-3116691565, fax: +98-3116684510

background extended-spectrum beta-lactamases (esbls) are a group of enzymes that hydrolyze antibiotics, including those containing new cephalosporins, and they are found in a significant percentage of escherichia coli and klebsiella pneumoniae strains. with the widespread use of antibiotics, difficulties with infection therapy caused by drug resistant organisms, especially those that have acqui...

The occurrence of extended-spectrum beta-lactamases-producing bacteria is an important public health issue. The aim of this study was to investigate phenotypic and genotypic characteristics regarding the presence of extended spectrum β-lactamase ctx-m, per and ver producing Escherichia coli isolated from raw dairy samples. For this purpose, E. coli were isolated from 247 raw dairy samples (milk...

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