نتایج جستجو برای: اشرشیاکلی e coli
تعداد نتایج: 1123588 فیلتر نتایج به سال:
introduction: the aim of the present study was to investigate the presence and the frequency of eaec as etiologic agent of diarrhea in shiraz. enteroaggregative e. coli (eaec) is increasingly recognized as a cause of often persistent diarrhoea in children and adults in both developing and developed countries, and have been identified as the cause of several outbreaks worldwide. materials and...
introduction chicken is the only avian species in which polyclonal antibodies, like igg is transported from the hen to the egg yolk in a similar manner as the transport of mammalian igg from the mother to the fetus. immunoglobulin y in the chicken is transported to the egg and accumulates in the egg yolk in large quantities. igy is an egg yolk antibody that has been used widely for treatment an...
conclusions the analysis recommended that ta genes are prevalent in clinical isolates of e. coli strains. the analysis revealed that hipba ta system is associated with biofilm formation. results the results of the analysis revealed that 107 e. coli isolates were potent for biofilm formation by cra. the findings by microtiter plates showed that 102 e. coli isolates were biofilm producers. the re...
محیط زیست دریایی، منبع فرآوردههای طبیعی زیست فعال است که خصوصیات ساختاری-شیمیایی آنها در دیگر محصولات طبیعی گیاهان و جانوران خشکیزی وجود ندارد. این مطالعه بهمنظور بررسی و مقایسة خواص آنتی بیوتیکی عصارههای ان- هگزانی و استونی گرفته شده از چهار گونة بی مهره بر روی باکتری اشرشیاکلی (E. coli) انجام شد. گونههای آبفشان (Phaulasia nigra)، اسفنج (Cliona spp.)، شقایق موکتی (Sarcophyton spp.) و ست...
background: escherichia coli is a commensal-pathogenic organism, which includes a wide range of strains. despite several advanced molecular-genomic technologies for detecting and identifying different strains of e. coli, enterobacterial repetitive intergenic consensus polymerase chain reaction (eric-pcr) technique is a quick, sharp and cost effective fingerprint method. the major purpose of the...
background: integrons are mobile genetic elements able to obtain the antibiotic resistance gene cassettes. the prevalence of integrons in the enterobacteriaceae family has been varied and played an important role in the development of the drug resistant bacteria. the present study aimed to investigate the contribution of class 2 and 3 integrons in drug resistant diarrheagenic escherichia coli s...
resistance to oxyimino cephalosporins antibiotics in enterobacteriaceae is primarily done by the extended spectrum β-lactamases (esbls). clear identification of risk factors for esbl-producing infections is necessary. therefore, efficient strategies can be developed to decrease outbreak of these infections. the aim of this study was to determine the antibacterial susceptibility and esbls patter...
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 ...
Abstract: Background and Aim: Urinary tract infections are one of the most commonly reported nosocomial infections caused by colonization of E. coli in the mucosal epithelium and in the formation of microbial biofilms, which damage the host tissue. The aim of this study was to determine the amount of biofilm formation of uropathogenic E. coli based on urinary tract stones of people with urin...
چکیده فارسی: مقدمه: ویبریو کلره عامل بیماری وبا در انسان می باشد. بیان فلاژله و تحرک آن، در کلونیزاسین و ویرولانس باکتری دخیل است. flaa یکی از پنج ژن کد کننده فلاژلین در این باکتری بوده که به عنوان فلاژلین اصلی در حرکت باکتری، سنتز و ایمنی زائی فلاژله مطرح می باشد. در این مطالعه بیان این پروتئین در باکتری اشرشیا کلی و تولید پروتئین نوترکیب مورد بررسی قرار می گیرد. هدف از این مطالعه تولید یک وا...
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