نتایج جستجو برای: escherichia coliecoli

تعداد نتایج: 126679  

Journal: :avicenna journal of clinical microbiology and infection 0
mahnaz karimian department of biology, faculty of science, university of ilam, ilam, ir iran arman rostamzad department of biology, faculty of science, university of ilam, ilam, ir iran; department of biology, faculty of science, university of ilam, ilam, ir iran. tel/fax: +98-8432227022 parisa shoaei nosocomial infection research center, isfahan university of medical sciences, isfahan, ir iran

conclusions our data showed that, the high prevalence of beta-lactamase genes among isolates, and it. our findings may provide useful insights in replace of the appropriate antibiotics and it may also prevents of esbls, mediated resistance problem. results from 145 strains of e. coli, 51(35.2%) and 61(42.1%) isolates were resistance to ceftazidime and cefotaxime, respectively. esbl production w...

Journal: :jundishapur journal of microbiology 0
hsiu-lin huang department of biotechnology, ming dao university, chang hua, taiwan ho-ting su agriculture and food agency, council of agriculture, taipei, taiwan chung-hsiun herbert wu protein engineering and biologics development i, institute of biologics, new taipei, taiwan jyy-jih tsai-wu department of medical research, national taiwan university hospital, taipei, taiwan; department of medical research, national taiwan university hospital, 7 chung shan s. rd., taipei, taiwan. tel: +886-223123456; ext. 65759, fax: +886-223947927

background mycobacterium tuberculosis is a vicious microbe co-existing with the infected host. this pathogen exploited opportunities to spread during periods of urbanization and social upheaval, and got retreated with improved hygiene. objectives this investigation was designed to clone and characterize m. tuberculosis mutt gene, a homologue of a dna repair protein in escherichia coli. the aim ...

Journal: :jundishapur journal of microbiology 0
sara asadi department of parasitology, school of medicine, jahrom university of medical sciences, jahrom, ir iran mohammad kargar department of microbiology, jahrom branch, islamic azad university, jahrom, ir iran; department of microbiology, jahrom branch, islamic azad university, jahrom, ir iran. tel: +98-917314 9203, fax: +98-7116476101 kavous solhjoo department of parasitology, school of medicine, jahrom university of medical sciences, jahrom, ir iran akram najafi department of marine microbiology, the persian gulf marine biotechnology research center, bushehr university of medical sciences, bushehr, ir iran sadegh ghorbani-dalini department of microbiology, jahrom branch, young researcher's club, islamic azad university, jahrom, ir iran

conclusions the results showed that e. coli isolated from patients with uti had eight virulence factors with high frequencies. moreover, these results alleged a direct connection between virulence factors and antimicrobial resistance in e. coli. results the frequency of virulence factors papc, afa, sfa/foc, fimh, hly, neuc, ibea, and iucc were 53.3%, 51.7%, 53.3%, 56.7%, 23.3%, 31.7%, 20%, and ...

2017
Seyedeh Tina Miri Amir Dashti Saeid Mostaan Farzaneh Kazemi Saeid Bouzari

BACKGROUND AND OBJECTIVES Diarrhea is one of the most prevalent diseases in the world, specially in developing countries. One of the most important causative agents of bacterial diarrhea is diarrheagenic Escherichia coli (DEC) which causes gastroenteritis and this group involving enterotoxigenic E. coli (ETEC), enteropathogenic E. coli (EPEC), enteroaggregative E. coli (EAEC), enterohemoragic E...

2013
Diego M Lozer Tamara B Souza Mariane V Monfardini Fernando Vicentini Sônia S Kitagawa Isabel C A Scaletsky Liliana C Spano

BACKGROUND Childhood diarrheal diseases remain highly endemic in developing areas of Brazil. The importance of Escherichia coli among children with diarrhea in these areas was unknown. This study determined the prevalence of different E. coli categories in symptomatic and asymptomatic children from low socioeconomic level rural communities in southeastern Brazil. METHODS A total of 560 stool ...

Introduction: Nanoparticles (NPs) are one of the antibacterial substances, among them nanoparticles type MgO and Fe2O3 are less toxic to mammalian cells. So, the aim of this study was investigation of combination effects of iron oxide and magnesium oxide nanoparticles on the growth of Staphylococcus aureus and Escherichia coli (E.coli) to achieve the optimum combination of nanoparticles inhibit...

Journal: :molecular biology research communications 2013
abdollah derakhshandeh roya firouzi mohammad moatamedifar azar motamedi maryam bahadori

escherichia coli (e. coli) is a normal inhabitant of the gastrointestinal tract of vertebrates, including humans. phylogenetic analysis has shown that e. coli is composed of four main phylogenetic groups (a, b1, b2 and d). group a and b1 are generally associated with commensals, whereas group b2 is associated with extra-intestinal pathotypes. most enteropathogenic isolates, however, are assigne...

Journal: :international journal of advanced biological and biomedical research 2014
fereshteh javadian shahla sahraei arezoo azizi

infectious diseases are responsible for thousands of worldwide early death .many commercial antibiotics have been used to control human's infectious diseases all over the world. calotropis procera linn a wild growing plant of asclepiadaecae family is known to possess multifarious medicinal properties. total 80 non repetitive clinical e. coli strains recovered during 7 month, and were screened f...

Journal: :archives of pediatric infectious diseases 0
masoumeh navidinia bacteriology department of medical sciences faculty, tarbiat modares university, jalal ale ahmad, p.o. box 14115-111, ir iran +98-2182883870, [email protected]سازمان اصلی تایید شده: دانشگاه تربیت مدرس (tarbiat modares university) shahin najar peerayeh bacteriology department of medical sciences faculty, tarbiat modares university, jalal ale ahmad, p.o. box 14115-111, ir iran +98-2182883870, [email protected]; bacteriology department of medical sciences faculty, tarbiat modares university, jalal ale ahmad, p.o. box 14115-111, ir iran +98-2182883870, [email protected]سازمان اصلی تایید شده: دانشگاه تربیت مدرس (tarbiat modares university) fatemeh fallah pediatric infections research center, mofid children hospital, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (shahid beheshti university of medical sciences) bita bakhshi bacteriology department of medical sciences faculty, tarbiat modares university,سازمان اصلی تایید شده: دانشگاه تربیت مدرس (tarbiat modares university) saadat adabian bacteriology department of medical sciences faculty, tarbiat modares university,سازمان اصلی تایید شده: دانشگاه تربیت مدرس (tarbiat modares university) shadi alimehr pediatric infections research center, mofid children hospital, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (shahid beheshti university of medical sciences)

background uropathogenic escherichia coli (upec) is a causative agent of most of urinary tract infections (utis), which expresses a multitude of virulence factors. objectives the aim of this study was to investigate virulence associated characteristics characteristics in upec isolates derived from urine specimens, and to investigate the distribution of the pathogenicity islands virulence marker...

Journal: :journal of medical bacteriology 0
pejman abbasi professor alborzi clinical microbiology research center, nemazee hospital, shiraz university of medical sciences, shiraz, ir iran. mohammad kargar department of microbiology, jahrom branch, islamic azad university, jahrom, ir iran. abbas doosti biotechnology research center, islamic azad university, shahrekord branch, shahrekord, ir iran. jalal mardaneh professor alborzi clinical microbiology research center, nemazee hospital, shiraz university of medical sciences, shiraz, ir iran. sadegh ghorbani-dalini jahrom branch, young researcher's and elit club, islamic azad university, jahrom, ir iran. mohammadali dehyadegari professor alborzi clinical microbiology research center, nemazee hospital, shiraz university of medical sciences, shiraz, ir iran.

background : enteroaggregative e. coli (eaec) is increasingly recognized as a cause of often persistent diarrhea in children and adults in both developing and developed countries. the aim of the present study was to investigate the presence and the frequency of eaec as etiologic agent of diarrhea in shiraz. methods : a total of 715 stool samples were collected from patients with diarrhea in shi...

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