نتایج جستجو برای: escherchia coli virulence genes

تعداد نتایج: 588338  

ساکی, علی, میرزایی, محسن,

Introduction: Urinary tract infection (UTI) caused by E coli is one of the most common diseases in community. Colonization of E. coli and its attachment to the uroepithelium are mediated by adhesions such as P, Fim and S fimbriae. The present study was aimed to evaluate the prevalence of fimbrial virulence genes in Escherichia coli (E. coli) isolates from the patients with urinary tra...

Anoshirvan Kazemnejad Lili, Bahram Nikmanesh, Bita Bakhshi, Mahdi Ghorbanalizadgan, Shahin Najar-Peerayeh,

Background: The aim of this study was to determine the prevalence of virulence-associated genes and enterobacterial repetitive intergenic consensus PCR (ERIC-PCR) analysis of Campylobacter spp. isolated from children with diarrhea in Iran. Methods: A total of 200 stool specimens were obtained from children under 5 years during July 2012 to July 2013. Detection of C. jejuni and C. coli was perfo...

A.A.M. Hatha, A.C. Antony, B. Francis, D.P. Sukumaran,

Background: The survival of pathogens in biofilms poses a threat to food safety. The aim of this study was to determine prevalence, antimicrobial resistance, and molecular characterization of Escherichia coli strains. Methods: Swab samples (n=144) were collected from biofilm formed on food contact surfaces in seafood pre-processing plant in India. E. coli was isolated and identified using uid ...

Background: Foodborne outbreaks associated with shiga toxin-producing Escherichia coli (STEC) have been well documented worldwide. STECs are major causative agents of gastroenteritis in humans that may be complicated by hemorrhagic colitis (HC), hemolytic uremic syndrome (HUS), and thrombotic thrombocytopenia purpura (TTP). OBJECTIVES: The aim of this study was to investigate the presence of vi...

Journal: :jundishapur journal of microbiology 0
masoud rahdar department of biology, faculty of basic sciences, university of zabol, zabol, ir iran ahmad rashki department of physiopathology, faculty of vet-medicine, university of zabol, zabol, ir iran; department of physiopathology, faculty of vet-medicine, university of zabol, zabol, ir iran. tel: +98-9151970877, fax: +98-5424822251 hamid reza miri torbat heydariyeh university of medical sciences, torbat heydariyeh, ir iran mehdi rashki ghalehnoo institutes of special animal sciences, university of zabol, zabol, ir iran

conclusions these results indicate that the pcr method is a powerful genotypic assay for the detection of adhesin-encoding operons. thus, this assay can be recommended for clinical use to detect virulent urinary e. coli strains, as well as epidemiological studies. materials and methods a total of 100 upec isolates were obtained from urine samples of patients with uti. the prevalence of 5 virule...

Journal: :novelty in biomedicine 0
hamid reza jalali department of medical microbiology, faculty of medicine, shahid beheshti university of medical science, tehran, iran ali pourbakhsh vice president for research, razi vaccine and serum research institute, karaj, iran fatemeh fallah department of medical microbiology, faculty of medicine, shahid beheshti university of medical science, tehran, iran gita eslami department of medical microbiology, faculty of medicine, shahid beheshti university of medical science, tehran, iran

background: escherichia coli is the most causative agent of urinary tract infections (utis). apart from all human infectious diseases, uti have a high prevalence and in most cases, escherichia coli is a dominance bacterium which can cause pyelonephritis and cystitis. the aim of the study was to determine the occurrence of some virulence genes expressing fimbriae, production of hemolysin and aer...

I. Samanta, P. K. Das S. N. Joardar T. K. Sar

The present work was conducted to compare the occurrence of Escherichia coli possessing virulence and ESBL genes in backyard and farmed poultry. Three hundred and sixty samples from the poultry kept in backyard system and 120 samples from the farmed birds were collected from West Bengal, India. Among the E. coli isolates of backyard poultry (O2, O10, O25, O55, O60, O106, UT), none of them posse...

Journal: :Brazilian Journal of Poultry Science 2022

Due to the genetic similarity of pathogenic Escherichia coli isolated from birds and pathotypes human origin, it is suggested that they have a common ancestor may exchange virulence-associated genes. This study aimed detect genes in E. strains Red-browed Amazon parrot (Amazona rhodocorytha) kept at conservation institute Brazil. High variability virulence was observed, since 12 profiles were fo...

Journal: :Polish journal of microbiology 2012
Beata Sobieszczańska Urszula Kasprzykowska Michał Turniak Henryk Maciejewski Roman Franiczek Anna Duda-Madej

The association between Escherichia coli virulence factors and chronic intestinal disorders is mostly unknown. The presented study compared the distribution of virulence genes and phylogroups among E. coli isolated from chronic intestinal disorders such as Crohn's disease and irritable bowel syndrome (IBS) with strains isolated from patients with acute diarrhea as a control group. The presence ...

Journal: :iranian journal of veterinary research 2015
i. samanta s. n. joardar p. k. das t. k. sar

the present work was conducted to compare the occurrence of escherichia coli possessing virulence and esbl genes in backyard and farmed poultry. three hundred and sixty samples from the poultry kept in backyard system and 120 samples from the farmed birds were collected from west bengal, india. among the e. coli isolates of backyard poultry (o2, o10, o25, o55, o60, o106, ut), none of them posse...

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