Relevant bibliographies by topics / Escherichia coli O1113:H21

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  3. Conference papers

Academic literature on the topic 'Escherichia coli O1113:H21'

Author: Grafiati
Published: 4 June 2021
Last updated: 3 February 2022

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Journal articles on the topic "Escherichia coli O1113:H21"

1

Bettelheim, Karl A. "Non-O157 Verotoxin-Producing Escherichia coli: A Problem, Paradox, and Paradigm." Experimental Biology and Medicine 228, no. 4 (April 2003): 333–44. http://dx.doi.org/10.1177/153537020322800402.

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The problems associated with identification and characterization of non-O157 verotoxin-producing Escherichia coli (VTEC) are discussed. The paradox of VTEC is that most reports of human illnesses are associated with serotypes such as O157:H7, O111:H– (nonmotile), O26:H11, and O113:H21, which are rarely found in domestic animals. However, those VTEC serotypes commonly found in domestic animals, especially ruminants, rarely cause human illnesses. When they cause human illnesses, the symptoms are similar to those caused by the serotypes E. coli O157:H7, O111:H–, O26:H11, and O113:H21. The impact
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Miko, Angelika, Karin Pries, Sabine Haby, Katja Steege, Nadine Albrecht, Gladys Krause, and Lothar Beutin. "Assessment of Shiga Toxin-Producing Escherichia coli Isolates from Wildlife Meat as Potential Pathogens for Humans." Applied and Environmental Microbiology 75, no. 20 (August 21, 2009): 6462–70. http://dx.doi.org/10.1128/aem.00904-09.

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ABSTRACT A total of 140 Shiga toxin-producing Escherichia coli (STEC) strains from wildlife meat (deer, wild boar, and hare) isolated in Germany between 1998 and 2006 were characterized with respect to their serotypes and virulence markers associated with human pathogenicity. The strains grouped into 38 serotypes, but eight O groups (21, 146, 128, 113, 22, 88, 6, and 91) and four H types (21, 28, 2, and 8) accounted for 71.4% and 75.7% of all STEC strains from game, respectively. Eighteen of the serotypes, including enterohemorrhagic E. coli (EHEC) O26:[H11] and O103:H2, were previously found
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Bugarel, Marie, Lothar Beutin, and Patrick Fach. "Low-Density Macroarray Targeting Non-Locus of Enterocyte Effacement Effectors (nle Genes) and Major Virulence Factors of Shiga Toxin-Producing Escherichia coli (STEC): a New Approach for Molecular Risk Assessment of STEC Isolates." Applied and Environmental Microbiology 76, no. 1 (October 30, 2009): 203–11. http://dx.doi.org/10.1128/aem.01921-09.

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ABSTRACT Rapid and specific detection of Shiga toxin-producing Escherichia coli (STEC) strains with a high level of virulence for humans has become a priority for public health authorities. This study reports on the development of a low-density macroarray for simultaneously testing the genes stx 1, stx 2, eae, and ehxA and six different nle genes issued from genomic islands OI-122 (ent, nleB, and nleE) and OI-71 (nleF, nleH1-2, and nleA). Various strains of E. coli isolated from the environment, food, animals, and healthy children have been compared with clinical isolates of various seropathot
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Luck, Shelley N., Luminita Badea, Vicki Bennett-Wood, Roy Robins-Browne, and Elizabeth L. Hartland. "Contribution of FliC to Epithelial Cell Invasion by Enterohemorrhagic Escherichia coli O113:H21." Infection and Immunity 74, no. 12 (September 18, 2006): 6999–7004. http://dx.doi.org/10.1128/iai.00435-06.

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ABSTRACT Enterohemorrhagic Escherichia coli (EHEC) O113:H21 can invade epithelial cells. In this study, we found that invasion but not adherence was inhibited by anti-FliCH21 specific antibodies. In addition, deletion of fliCH21 from EHEC O113:H21 resulted in an eightfold decrease in invasion that was restored upon transcomplementation with fliCH21 but not with fliCH6 . These results suggested that FliC plays an important role in the pathogenesis of infections caused by EHEC O113:H21 by allowing bacteria to penetrate the intestinal epithelium.
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Bielaszewska, Martina, Marina Fell, Lilo Greune, Rita Prager, Angelika Fruth, Helmut Tschäpe, M. Alexander Schmidt, and Helge Karch. "Characterization of Cytolethal Distending Toxin Genes and Expression in Shiga Toxin-Producing Escherichia coli Strains of Non-O157 Serogroups." Infection and Immunity 72, no. 3 (March 2004): 1812–16. http://dx.doi.org/10.1128/iai.72.3.1812-1816.2004.

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ABSTRACT We identified cytolethal distending toxin and its gene (cdt) in 17 of 340 non-O157 Shiga toxin-producing Escherichia coli (STEC) strains (serotypes O73:H18, O91:H21, O113:H21, and O153:H18), all of which were eae negative. cdt is either chromosomal and homologous to cdt-V (serotypes O73:H18, O91:H21, and O113:H21) or plasmidborne and identical to cdt-III (serotype O153:H18). Among eae-negative STEC, cdt was associated with disease (P = 0.003).
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Paton, Adrienne W., and James C. Paton. "Molecular Characterization of the Locus Encoding Biosynthesis of the Lipopolysaccharide O Antigen of Escherichia coliSerotype O113." Infection and Immunity 67, no. 11 (November 1, 1999): 5930–37. http://dx.doi.org/10.1128/iai.67.11.5930-5937.1999.

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ABSTRACT Shiga toxigenic Escherichia coli (STEC) strains are a diverse group of organisms capable of causing severe gastrointestinal disease in humans. Within the STEC family, eae-positive STEC strains, particularly those belonging to serogroups O157 and O111, appear to have greater virulence for humans. However, in spite of beingeae negative, STEC strains belonging to serogroup O113 have frequently been associated with cases of severe STEC disease, including hemolytic-uremic syndrome (HUS). Western blot analysis with convalescent-phase serum from a patient with HUS caused by an O113:H21 STEC
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7

Shen, Songhai, Mariola Mascarenhas, Kris Rahn, James B. Kaper, and Mohamed A. Karmal. "Evidence for a Hybrid Genomic Island in Verocytotoxin-Producing Escherichia coli CL3 (Serotype O113:H21) Containing Segments of EDL933 (Serotype O157:H7) O Islands 122 and 48." Infection and Immunity 72, no. 3 (March 2004): 1496–503. http://dx.doi.org/10.1128/iai.72.3.1496-1503.2004.

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ABSTRACT Genomic O island 122 (OI-122) of the verocytotoxin-producing Escherichia coli (VTEC) strain EDL933 contains four putative virulence genes, Z4321, Z4326, Z4332, and Z4333. However, strain CL3 (serotype O113:H21) contains only Z4321, not the other three genes. To determine whether Z4321 is part of a different genomic island in CL3, a region of 27,293 bp up- and downstream of Z4321 was sequenced and found to contain elements of two different EDL933 genomic islands (OI-48 and OI-122) and a Yersinia pestis-like hemolysin/adhesin gene cluster. The region contained OI-48 genes Z1635, Z1636,
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8

Luck, Shelley N., Vicki Bennett-Wood, Rachael Poon, Roy M. Robins-Browne, and Elizabeth L. Hartland. "Invasion of Epithelial Cells by Locus of Enterocyte Effacement-Negative Enterohemorrhagic Escherichia coli." Infection and Immunity 73, no. 5 (May 2005): 3063–71. http://dx.doi.org/10.1128/iai.73.5.3063-3071.2005.

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ABSTRACT The majority of enterohemorrhagic Escherichia coli (EHEC) strains associated with severe disease carry the locus of enterocyte effacement (LEE) pathogenicity island, which encodes the ability to induce attaching and effacing lesions on the host intestinal mucosa. While LEE is essential for colonization of the host in these pathogens, strains of EHEC that do not carry LEE are regularly isolated from patients with severe disease, although little is known about the way these organisms interact with the host epithelium. In this study, we compared the adherence properties of clinical isola
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9

dos Santos, Luis Fernando, Kinue Irino, Tânia Mara Ibelli Vaz, and Beatriz Ernestina Cabilio Guth. "Set of virulence genes and genetic relatedness of O113 : H21 Escherichia coli strains isolated from the animal reservoir and human infections in Brazil." Journal of Medical Microbiology 59, no. 6 (June 1, 2010): 634–40. http://dx.doi.org/10.1099/jmm.0.015263-0.

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Escherichia coli strains of serotype O113 : H21 are commonly described as belonging to a Shiga toxin (Stx)-producing E. coli (STEC) pathotype worldwide. Albeit this STEC serotype is frequently identified among cattle and other domestic animals, to the best of our knowledge no human infections associated with STEC O113 : H21 have been registered in Brazil to date. Here, we report the virulence profile and genetic relatedness of a collection of O113 : H21 E. coli strains mainly isolated from the animal reservoir aimed at determining their potential as human pathogens. The strains from the animal
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10

Feng, Peter C. H., Sabine Delannoy, David W. Lacher, Luis Fernando dos Santos, Lothar Beutin, Patrick Fach, Marta Rivas, Elizabeth L. Hartland, Adrienne W. Paton, and Beatriz E. C. Guth. "Genetic Diversity and Virulence Potential of Shiga Toxin-Producing Escherichia coli O113:H21 Strains Isolated from Clinical, Environmental, and Food Sources." Applied and Environmental Microbiology 80, no. 15 (May 23, 2014): 4757–63. http://dx.doi.org/10.1128/aem.01182-14.

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ABSTRACTShiga toxin-producingEscherichia colistrains of serotype O113:H21 have caused severe human diseases, but they are unusual in that they do not produce adherence factors coded by the locus of enterocyte effacement. Here, a PCR microarray was used to characterize 65 O113:H21 strains isolated from the environment, food, and clinical infections from various countries. In comparison to the pathogenic strains that were implicated in hemolytic-uremic syndrome in Australia, there were no clear differences between the pathogens and the environmental strains with respect to the 41 genetic markers
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Dissertations / Theses on the topic "Escherichia coli O1113:H21"

1

Srimanote, Potjanee. "Analysis of putative virulence factors of a locus of enterocyte effacement-negative shiga-toxigenic Escherichia coli O113:H21 strain." Title page, contents and abstract only, 2003. http://web4.library.adelaide.edu.au/theses/09PH/09php863.pdf.

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"February 2003." Addendum and corrigenda inserted at back Includes bibliographical references (leaves 249-272) Aims to identify and characterise potential virulence-associated factors from the locus of enterocyte effacement-negative shiga-toxigenic Escherichia coli O113:H21 strain 98NK2 which was responsible for an outbreak of haemolytic uremic syndrome. Particular attention was focused on putative virulence genes encoded on the megaplasmid of this strain.
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2

Hong, Yingying. "Evaluation of chromosomally-integrated luxCDABE and plasmid-borne GFP markers for the study of localization and shedding of STEC O91:H21 in calves." 2011. http://trace.tennessee.edu/utk_gradthes/881.

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Shiga toxin-producing Escherichia coli (STEC) has been recognized as an important foodborne pathogen. Of this group, O91 is one of the common serogroups frequently isolated from patients and food in some countries, with O91:H21 being previously implicated in hemolytic uremic syndrome (HUS). Cattle are principle reservoirs for STEC, and studies examining STEC shedding in cattle often include experimental inoculation of strains of interest using antibiotic resistance markers for identifiable recovery. However, indigenous fecal microbes exhibiting similar resistance patterns can confound such st
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Conference papers on the topic "Escherichia coli O1113:H21"

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Beserra, L. Justo, A. M. Figueiredo Cerqueira, K. G. de Lima Araújo, J. R. Costa Andrade, and A. G. Martins Gonzalez. "Behavior of Shiga-toxin-producing Escherichia coli (STEC) of serotype O113:H21 to front pH, water activity, time and temperature." In Proceedings of the III International Conference on Environmental, Industrial and Applied Microbiology (BioMicroWorld2009). WORLD SCIENTIFIC, 2010. http://dx.doi.org/10.1142/9789814322119_0077.

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Hong, Yingying, and Alan G. Mathew. "Characterization of a chromosomally integrated luxCDABE marker for investigation of shiga toxin-producing Escherichia coli O91:H21 shedding in cattle." In SPIE Defense, Security, and Sensing, edited by Sárka O. Southern, Kevin N. Montgomery, Carl W. Taylor, Bernhard H. Weigl, B. V. K. Vijaya Kumar, Salil Prabhakar, and Arun A. Ross. SPIE, 2011. http://dx.doi.org/10.1117/12.884394.

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