Academic literature on the topic 'Atypical enteropathogenic E. coli'

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Journal articles on the topic "Atypical enteropathogenic E. coli"

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Afset, Jan E., Lars Bevanger, Pål Romundstad, and Kåre Bergh. "Association of atypical enteropathogenic Escherichia coli (EPEC) with prolonged diarrhoea." Journal of Medical Microbiology 53, no. 11 (2004): 1137–44. http://dx.doi.org/10.1099/jmm.0.45719-0.

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The aim of the present case control study was to investigate the prevalence of atypical enteropathogenic Escherichia coli (EPEC) and its possible role in causing diarrhoea among children < 5 years of age in Norway. Stool specimens received in the laboratory from children with suspected gastroenteritis (n = 251) were, in addition to routine testing, analysed for the presence of EPEC by PCR of the eae, bfpA and stx genes. Specimens from healthy children (n = 210) recruited from Maternal and Child Health Centres were analysed for EPEC only. EPEC isolates (eae +, stx −) were classified as typic
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Mare, Anca Delia, Cristina Nicoleta Ciurea, Adrian Man, et al. "Enteropathogenic Escherichia coli—A Summary of the Literature." Gastroenterology Insights 12, no. 1 (2021): 28–40. http://dx.doi.org/10.3390/gastroent12010004.

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Diarrheal disease is still a major public health concern, as it is still considered an important cause of death in children under five years of age. A few decades ago, the detection of enteropathogenic E. coli was made by detecting the O, H, and K antigens, mostly by agglutination. The recent protocols recommend the molecular methods for diagnosing EPEC, as they can distinguish between typical and atypical EPEC by identifying the presence/absence of specific virulence factors. EPEC are defined as diarrheagenic strains of E. coli that can produce attaching and effacing lesions on the intestinal
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Deji-Agboola, Anotu Mopelola, Mohammed Ali, Olubunmi Adetokunbo Osinupebi, and Stephen Olaosebikan Makanjuola. "ENTEROPATHOGENIC ESCHERICHIA COLI STRAINSFROM DIARRHOEIC STOOLSAMPLES OF CHILDREN BELOW 5 YEARS OF AGE IN DAMATURU, YOBE STATE, NIGERIA." African Journal of Science and Nature 8 (November 10, 2020): 19. http://dx.doi.org/10.46881/ajsn.v8i0.162.

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Enteropathogenic Escherichia coli (EPEC) is an important cause of deaths mostly in infants and young children with diarrhoea worldwide. This study investigated Enteropathogenic Escherichia coli strains in diarrhoeic stool samples of children below 5 years of age in Damaturu, Yobe State, Nigeria. Microscopy, culture and antibiotic susceptibility tests were carried out on stool specimens obtained from children with diarrhoea. All isolated Escherichia coli were investigated for virulence eae and eaf genes of EPEC strains using Polymerase Chain Reaction method. Information on risk factors of diarr
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Hernandes, Rodrigo T., Irina Velsko, Suely C. F. Sampaio, et al. "Fimbrial Adhesins Produced by Atypical Enteropathogenic Escherichia coli Strains." Applied and Environmental Microbiology 77, no. 23 (2011): 8391–99. http://dx.doi.org/10.1128/aem.05376-11.

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ABSTRACTAtypical enteropathogenicEscherichia coli(aEPEC) has emerged as a significant cause of pediatric diarrhea worldwide; however, information regarding its adherence mechanisms to the human gut mucosa is lacking. In this study, we investigated the prevalence of several (fimA,ecpA,csgA,elfA, andhcpA) fimbrial genes in 71 aEPEC strains isolated from children with diarrhea (54 strains) and healthy individuals (17 strains) in Brazil and Australia by PCR. These genes are associated with adhesion and/or biofilm formation of pathogenic and commensalE. coli. Here, the most prevalent fimbrial genes
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Ooka, Tadasuke, Mônica A. M. Vieira, Yoshitoshi Ogura, et al. "Characterization of tccP2 carried by atypical enteropathogenic Escherichia coli." FEMS Microbiology Letters 271, no. 1 (2007): 126–35. http://dx.doi.org/10.1111/j.1574-6968.2007.00707.x.

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Cookson, Adrian L., Jenny Bennett, Carolyn Nicol, Fiona Thomson-Carter, and Graeme T. Attwood. "Molecular Subtyping and Distribution of the Serine Protease from Shiga Toxin-Producing Escherichia coli among Atypical Enteropathogenic E. coli Strains." Applied and Environmental Microbiology 75, no. 7 (2009): 2246–49. http://dx.doi.org/10.1128/aem.01957-08.

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ABSTRACT Atypical enteropathogenic Escherichia coli (aEPEC) and Shiga toxin-producing E. coli (STEC) were examined to determine the prevalence and sequence of espP, which encodes a serine protease. These analyses indicated shared espP sequence types between the two E. coli pathotypes and thus provide further insights into the evolution of aEPEC and STEC.
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DUDA-MADEJ, ANNA, GRAŻYNA GOŚCINIAK, BARBARA ANDRZEJEWSKA, ANNA KRYSTYNA DUDA, and BEATA SOBIESZCZAŃSKA. "Association of Untypeable Enteropathogenic Escherichia coli (EPEC) Strains with Persistent Diarrhea in Children from the Region of Lower Silesia in Poland." Polish Journal of Microbiology 62, no. 4 (2013): 461–64. http://dx.doi.org/10.33073/pjm-2013-064.

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Enteropathogenic Escherichia coli strains (EPEC) carrying the eae gene encoding intimin are divided into typical strains producing bundle forming pili, encoded by the bfpA gene, and atypical strains lacking the gene. In the study typical and atypical EPEC that did not agglutinated with EPEC polyvalent antisera but carrying virulence factors characteristic to other pathogenic E. coli i.e. diffusely adhering and enteroaggregative E. coli were isolated from 24 (43.6%) of 55 children > 10 years old with persistent diarrhea. These results indicated that non-typeable typical and atypical EPEC can
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Almeida, Paula Maria Pereira de, Lavicie Rodrigues Arais, João Ramos Costa Andrade, Esther Helena Rondon Barreto Prado, Kinue Irino, and Aloysio de Mello Figueiredo Cerqueira. "Characterization of atypical Enteropathogenic Escherichia coli (aEPEC) isolated from dogs." Veterinary Microbiology 158, no. 3-4 (2012): 420–24. http://dx.doi.org/10.1016/j.vetmic.2012.02.021.

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Tennant, Sharon M., Marija Tauschek, Kristy Azzopardi, et al. "Characterisation of atypical enteropathogenic E. coli strains of clinical origin." BMC Microbiology 9, no. 1 (2009): 117. http://dx.doi.org/10.1186/1471-2180-9-117.

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Scaletsky, I. C. A., K. R. S. Aranda, T. B. Souza, N. P. Silva, and M. B. Morais. "Evidence of Pathogenic Subgroups among Atypical Enteropathogenic Escherichia coli Strains." Journal of Clinical Microbiology 47, no. 11 (2009): 3756–59. http://dx.doi.org/10.1128/jcm.01599-09.

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Dissertations / Theses on the topic "Atypical enteropathogenic E. coli"

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Junior, Afonso Gomes Abreu. "Caracterização da proteína Pic (protein involved in colonization) em Escherichia coli enteropatogênica atípica." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/42/42132/tde-10062015-160611/.

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A serinoprotease Pic é uma proteína autotransportadora que apresenta papel importante na colonização da mucosa intestinal por E. coli enteroagregativa (EAEC). Uma cepa de E. coli enteropatogênica atípicas (aEPEC) albergando o gene pic foi detectada em um estudo prévio. O presente estudo teve como objetivo caracterizar a proteína Pic produzida por essa cepa de aEPEC (BA589). O gene pic em BA589 está presente em um plasmídeo de alto peso molecular (~98 kb) e o sequenciamento desse gene mostrou identidade de 99% com pic de EAEC 042. Pic da cepa BA589 (Pic589) foi capaz de clivar mucina bovina, he
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Kleta, Sylvia. "Einfluss des probiotischen Escherichia coli Nissle 1917 (EcN) auf die Infektion mit atypischen enteropathogenen E. coli (aEPEC) im porcinen in vitro-Modell." Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät I, 2009. http://dx.doi.org/10.18452/15941.

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In der vorliegenden Arbeit wurde in einem in vitro-Modell mit porcinen intestinalen Epithelzellen (IPEC-J2) der Einfluss des probiotischen E. coli Nissle 1917 (EcN) auf die Infektion mit atypischen EPEC (aEPEC) untersucht. EcN reduzierte bei Vorinkubation auf IPEC-J2 die aEPEC-Infektion drastisch. Konfokale Laserscanning- und Elektronenmikroskopie zeigten, dass EcN die Adhäsion und Mikrokoloniebildung inhibierte, jedoch nicht die Ausbildung von Attaching and Effacing-Läsionen adhärenter aEPEC. Der inhibierende Effekt von EcN wurde durch dessen sehr gute Adhäsionsfähigkeit an IPEC-J2 vermittelt
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Baldwin, Thomas John. "Disease mechanism of enteropathogenic Escherichia coli." Thesis, University of Leicester, 1990. http://hdl.handle.net/2381/34445.

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Colonization of gut mucosal surfaces by enteropathogenic Escherichia coli (EPEC) elicits a severe persistant diarrhoea in infants and young children without elaboration of enterotoxins or tissue invasion. The formation of a distinct ultrastructural lesion involving intimate adherence to cell surfaces, loss of microvilli and membrane perturbations, however, has for some time been recognized as an important component of pathogenesis, but the processes involved in lesion formation and its relevance to the disease state remained obscure. In this study intimate adherence of EPEC to surfaces of cult
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Singh, Mona P. "Type III secretion in enteropathogenic Escherichia coli." Thesis, Imperial College London, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.486563.

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Type III secretion systems (T3SS) are complex multi-component structures that are utilised in two biological contexts: translocation ofbacterial effector proteins into eukaryotic cells and flagellar protein export. The two types ofT3SS share a conserved core set ofhomologous proteins which are integrated into a larger apparatus that includes a hol1'ow filamentous surface extension, which comprises the flagellar hook and filament, or the needle and the translocation apparatus in the case of flagellar or non-flagellar systems, respectively. Enteropathogenic Escherichia coli (EPEC) and enterohaem
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Vanmaele, Rosa Pauline. "Role of carbohydrates in enteropathogenic Escherichia coli adherence." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape7/PQDD_0003/NQ39602.pdf.

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Ramamurthy, Shylaja, and Shylaja Ramamurthy. "Role of EspZ in Enteropathogenic Escherichia coli Virulence." Thesis, The University of Arizona, 2016. http://hdl.handle.net/10150/623145.

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Enteropathogenic Escherichia coli (EPEC) is a leading cause of infantile diarrhea, particularly in developing countries. EPEC belongs to the attaching and effacing (A/E) family of pathogens. All A/E pathogens harbor a type III secretion system (T3SS) that delivers virulence proteins directly into host epithelial cells. These proteins mediate diverse structural and functional alterations that likely facilitate pathogenesis. We recently demonstrated that EspZ, a secreted protein unique to A/E pathogens, is a critical virulence factor and that mutant strains lacking espZ are impaired for pathogen
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Kaur, Sumeet. "Some aspects of biofilm formation by enteropathogenic Escherichia coli." Thesis, London Metropolitan University, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.595305.

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Microorganisms growing as collective communities called 'biofilms' are widely recognised today. Biofilms impact almost all aspects of human life: personal, medical and industrial. Escherichia coli are model organisms for the study of biofi lms. In this work, eight enteropathogenic E. coli (EPEe) and three Shigella sonnei strains (a bacterium that is very similar to E. coli and is often implicated in diseases that are similar to those caused by EPEe) were investigated for their biofilm fonning abilities in relation to a number of factors. These included nutrient availabi lity, pH, temperature,
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Law, D. "Investigation of some virulence properties of enteropathogenic Escherichia coli." Thesis, University of Newcastle Upon Tyne, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.233857.

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Amin, Elyas Oliver Muhammad. "Investigating how enteropathogenic Escherichia coli (EPEC) subverts AKT signalling." Thesis, University of Newcastle upon Tyne, 2017. http://hdl.handle.net/10443/3653.

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The phosphoinositide 3-kinase (PI3K) signalling pathway is activated in macrophages in response to many bacterial pathogens, triggering phagocytic uptake mechanisms and phosphorylation-associated activation of the serine/threonine kinase AKT. Enteropathogenic E. coli (EPEC) inhibits both PI3K mediated phagocytosis and AKT phosphorylation; dependent on a type 3-secretion system (T3SS) critical for delivering up to 24 known effector proteins into target cells. The efficient translocation of most EPEC effectors is dependent on the T3SS effector chaperone CesT. Although the effectors and mechanism
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Phillips, Neil. "Mimicry of cellular signalling pathways by enteropathogenic Escherichia coli." Thesis, University of Cambridge, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.613949.

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Books on the topic "Atypical enteropathogenic E. coli"

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Wu, Gilbert Kar Po. Signal transduction responses to enteropathogenic Escherichia coli and Shiga toxin-producing Escherichia coli infections. National Library of Canada, 1999.

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Hartland, Elizabeth L., and John M. Leong, eds. Enteropathogenic and enterohemorrhagic E. coli: ecology, pathogenesis and evolution. Frontiers Media SA, 2013. http://dx.doi.org/10.3389/978-2-88919-153-6.

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Book chapters on the topic "Atypical enteropathogenic E. coli"

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Gomes, Tânia A. T., Denise Yamamoto, Mônica A. M. Vieira, and Rodrigo T. Hernandes. "Atypical Enteropathogenic Escherichia coli." In Escherichia coli in the Americas. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-45092-6_4.

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Scaletsky, Isabel C. A., and Ulysses Fagundes-Neto. "Typical Enteropathogenic Escherichia coli." In Escherichia coli in the Americas. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-45092-6_3.

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Kaper, James B. "Molecular Pathogenesis of Enteropathogenic Escherichia coli." In Molecular Genetics of Bacterial Pathogenesis. ASM Press, 2014. http://dx.doi.org/10.1128/9781555818340.ch12.

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Knutton, S. "Intestinal Colonization by Enteropathogenic Escherichia coli." In Molecular Pathogenesis of Gastrointestinal Infections. Springer US, 1991. http://dx.doi.org/10.1007/978-1-4684-5982-1_13.

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Kaper, James B., Timothy K. McDaniel, Karen G. Jarvis, and Oscar Gomez-Duarte. "Genetics of Virulence of Enteropathogenic E. coli." In Advances in Experimental Medicine and Biology. Springer US, 1997. http://dx.doi.org/10.1007/978-1-4899-1828-4_47.

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Benz, Inga, and M. Alexander Schmidt. "Diffuse Adherence Of Enteropathogenic Escherichia coli Strains." In Molecular Pathogenesis of Gastrointestinal Infections. Springer US, 1991. http://dx.doi.org/10.1007/978-1-4684-5982-1_14.

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Ørskov, Ida, and Frits Ørskov. "The Clone Concept and Enteropathogenic Escherichia Coli (EPEC)." In Molecular Pathogenesis of Gastrointestinal Infections. Springer US, 1991. http://dx.doi.org/10.1007/978-1-4684-5982-1_7.

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Donnenberg, M. S. "Entry of Enteropathogenic Escherichia coli into Host Cells." In Current Topics in Microbiology and Immunology. Springer Berlin Heidelberg, 1996. http://dx.doi.org/10.1007/978-3-642-85216-9_5.

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Rosenshine, Ilan, Stuart Knutton, and Gad Frankel. "Interaction of Enteropathogenic Escherichia coli with Host Cells." In Subcellular Biochemistry. Springer US, 2000. http://dx.doi.org/10.1007/978-1-4757-4580-1_2.

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Haigh, R. D., and P. H. Williams. "CO2 Regulation of Virulence Genes in Enteropathogenic Escherichia coli." In Advances in Experimental Medicine and Biology. Springer US, 1997. http://dx.doi.org/10.1007/978-1-4899-1828-4_39.

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Conference papers on the topic "Atypical enteropathogenic E. coli"

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Kusmivati, Nur, Sunarti, Tutik Dwi Wahyuningsih, and Widodo. "Effect of Synbiotics Lactobacillus casei AP and Inulin Extract Dahlia pinnata L. in Enteropathogenic Escherichia coli - Induced Diarrhea." In 2018 1st International Conference on Bioinformatics, Biotechnology, and Biomedical Engineering (BioMIC). IEEE, 2018. http://dx.doi.org/10.1109/biomic.2018.8610642.

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Borges, Monamaris, Roxane Piazza, Bruna Caetano*, et al. "Macrophage inflammatory response mediated by intimin and bundle-forming pilus from enteropathogenic <em>Escherichia coli</em>." In 1st International Electronic Conference on Microbiology. MDPI, 2020. http://dx.doi.org/10.3390/ecm2020-07102.

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Navarro-Arias, M., M. L. Ramírez-Martínez, E. E. Avila, and P. Cuéllar-Mata. "Validation of specific oligonucleotides for the detection of enteropathogenic (EPEC) and enterotoxigenic (ETEC) Escherichia coli strains isolated in a Mexican region." In MICROBES IN APPLIED RESEARCH - Current Advances and Challenges. WORLD SCIENTIFIC, 2012. http://dx.doi.org/10.1142/9789814405041_0120.

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Jurnalis, Yusri, Eryati Darwin, Yanwirasti Yanwirasti, and Nasrul Zubir. "The Effects of Dadih Supplementation on Duration of Acute Diarrhea, Secretory Immunoglobulin A Level, and Tumor Necroting Factor Alfa Level in Mice Induced with Enteropathogenic Escherichia Coli." In Proceedings of the 1st EAI International Conference on Medical And Health Research, ICoMHER November 13-14th 2018, Padang, West Sumatera, Indonesia. EAI, 2019. http://dx.doi.org/10.4108/eai.13-11-2018.2283707.

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