Non-O157
Comparative pathogenicity, toxicity and pulse types of o157 and non o157 escherichia coli
... STEC O157 and non-O157 serotypes (with different virulence genes: shiga toxins Stx1 and Stx2 in addition to Enteroheamolysin hly (A) and Intimin eae) to induce in vivo toxicity and systemic ...coli ...
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Extensive genomic diversity and selective conservation of virulence determinants in enterohemorrhagic Escherichia colistrains of O157 and non O157 serotypes
... of non-O157 EHEC We analyzed the gene contents of non-O157 EHEC strains by using the O157 oligoDNA microarray, and compared the results with those of O157 strains in our previous ...
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Molecular Profiling of Escherichia coli O157:H7 and Non O157 Strains Isolated from Humans and Cattle in Alberta, Canada
... (STEC) O157 and non- O157 strains have been identified in outbreak settings associ- ated with water (1), food (2, 3, 4, 5), and animals (6, ...clinical O157:H7 and non-O157 STEC ...
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Shiga Toxin Producing Escherichia coli in Children: Diagnosis and Clinical Manifestations of O157:H7 and Non O157:H7 Infection
... for O157 STEC is frequently performed by stool culture with sorbitol-MacConkey agar ...Most O157 STEC strains do not rapidly ferment sorbitol, so sorbitol-neg- ative colonies on SMAC at 24 h are potential ...
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Molecular epidemiology of shiga toxin producing Escherichia coli (STEC) O157 and non O157 STEC in calves in the North Island of New Zealand : a thesis submitted in partial fulfilment of the requirements for the degree of Doctor of Philosophy, Massey University, Palmerston North, New Zealand
... et al., 2004) and non-O157 (Fukushima and Seki, 2004; Leung et al., 2001; Pearce et al., 2006). However, conflicting information about the seasonality of STEC is evident from the literature. Although this ...
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Role of antigen-43 on biofilm formation and horizontal antibiotic resistance gene transfer in non-O157 Shiga toxin producing Escherichia coli strains
... Several studies have reported that flagella are neces- sary for biofilm formation by E. coli and other bacteria such as Listeria monocytogenes and Yersinia entero- colitica (17, 25). Furthermore, it has been suggested ...
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Phylogenetic Analysis of Non O157 Shiga Toxin Producing Escherichia coli Strains by Whole Genome Sequencing
... Fifteen STEC strains representing different pulsed-field gel electrophoresis (PFGE) patterns, isolation years, hosts, and stx gene profiles, including O111:H11, O111:H8, O26:H11, O103: H2, and O103:H25, were selected for ...
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Clinical Isolates of Non O157 Shiga Toxin ProducingEscherichia coli: Serotypes, Virulence Characteristics, and Molecular Profiles of Strains of the Same Serotype
... than O157 from commensal ...all O157 STEC strains and a significant proportion of non-O157 strains have been observed to produce Ehly (24), a putative virulence factor that also facilitates ...
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Evaluation of a New Chromogenic Agar Medium for Detection of Shiga Toxin Producing Escherichia coli (STEC) and Relative Prevalences of O157 and Non O157 STEC in Manitoba, Canada
... 29 non-O157 isolates (all with recent isolation dates falling within the time frame of 2010 to 2012) was also characterized for the presence of four virulence factor genes (stx 1 , stx 2 , eaeA, and EHEC ...
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Antimicrobial resistance profiles of Shiga toxin-producing Escherichia coli O157 and Non-O157 recovered from domestic farm animals in rural communities in Northwestern Mexico
... Interestingly, non-susceptibility to cephalothin was predominant among the examined STEC strains, corresponding to 85 % (22/26) of the O157:H7 from cattle, sheep and chicken and 73 % (24/33) of the ...
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Incidence and Virulence Determinants of Verocytotoxin Producing Escherichia coli Infections in the Brussels Capital Region, Belgium, in 2008–2010
... (2), Spain (5), The Netherlands (60), and Belgium (50). In 2010, the European Center for Disease Prevention and Control (ECDC) reported 3,160 confirmed VTEC cases, or 0.66 infection per 100,000 persons (13a). In Belgium, ...
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Clinical Escherichia coli Strains Carrying stx Genes: stx Variants and stx Positive Virulence Profiles
... STEC O157 and 62 non-O157 isolates from 170 Finns with STEC infection were investigated for the pos- session of various genes by ...of O157, eae, and Ehly and Stx production, were ...
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Serotypes, Virulence Genes, and Intimin Types of Shiga Toxin (Verotoxin) Producing Escherichia coli Isolates from Human Patients: Prevalence in Lugo, Spain, from 1992 through 1999
... of non-O157 STEC strains, is also available ...rotype O157:H7 (2, 27, 46). Unlike other E. coli strains, STEC O157:H7 does not ferment sorbitol and is -glucuronidase ...identify ...
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Antibiotic Resistance, Virulence Gene, and Molecular Profiles of Shiga Toxin Producing Escherichia coli Isolates from Diverse Sources in Calcutta, India
... serotype O157:H7 has been epidemiologically significant world- wide because of its notoriety of being associated with life- threatening disease ...areas, non-O157 strains are more commonly isolated ...
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Prevalence and distribution of the stx1, stx2 genes in Shiga toxin producing E. coli (STEC) isolates from cattle
... STEC O157 among 7 isolates (11.5%), from cattle, whereas non-O157 strains that are frequently associated with sporadic cases of HUS (25, 26), were isolated from 4 (6%) of ...
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Distribution of tccP in Clinical Enterohemorrhagic and Enteropathogenic Escherichia coli Isolates
... EHEC O157:H7, have been ...in O157:H7, in non-O157 EHEC, and in typical and atypical EPEC ...EHEC O157:H7 strains tested were tccP ⴙ ...in non-O157 EHEC, and in typical ...
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Isolation of Shiga toxin-producing Escherichia coli from raw milk in Kermanshah, Iran.
... eae-negative non-O157 STEC ...of O157:H7 STEC, which is in accord with some data from Canada, Australia and the UK (Scotland) (21, 29, ...of O157:H7 STEC in raw milk in other studies (37, ...
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A Cross Sectional Sero Study of Verocytotoxigenic Escherichia coli (VTEC) Serotypes in Apparently Healthy and Diarrhoeic Cattle in Abuja, Federal Capital Territory (FCT), Nigeria
... and non O157) in both apparently healthy and diarrhoeic cattle in Abuja, ...and non sorbitol fermenting ...and non sorbitol fer- menting ...VTEC O157 in apparently healthy cattle was ...
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Point Counterpoint: Should All Stools Be Screened for Shiga Toxin Producing Escherichia coli?
... to O157 and non-O157 serotypes justify the routine use of anti- gen detection of Shiga toxins as well as culture for O157? Although STEC infection is generally a self-lim- ited disease ...
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Haemolytic uremic syndrome surveillance in children less than 15 years in Belgium, 2009–2015
... 4. Gerber A, Karch H, Allerberger F, Verweyen HM, Zimmerhackl LB. Clinical course and the role of Shiga toxin-producing Escherichia coli infection in the hemolytic-uremic syndrome in pediatric patients, 1997-2000, in ...
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