Bibliografías temáticas / Non-STEC Escherichia coli

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Literatura académica sobre el tema "Non-STEC Escherichia coli"

Autor: Grafiati
Publicado: 25 de noviembre de 2024
Última modificación: 31 de julio de 2025

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Artículos de revistas sobre el tema "Non-STEC Escherichia coli"

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MATHUSA, EMILY C., YUHUAN CHEN, ELENA ENACHE, and LLOYD HONTZ. "Non-O157 Shiga Toxin–Producing Escherichia coli in Foods." Journal of Food Protection 73, no. 9 (2010): 1721–36. http://dx.doi.org/10.4315/0362-028x-73.9.1721.

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Non-O157 Shiga toxin–producing Escherichia coli (STEC) strains have been linked to outbreaks and sporadic cases of illness worldwide. Illnesses linked to STEC serotypes other than O157:H7 appear to be on the rise in the United States and worldwide, indicating that some of these organisms may be emerging pathogens. As more laboratories are testing for these organisms in clinical samples, more cases are uncovered. Some cases of non-O157 STEC illness appear to be as severe as cases associated with O157, although in general cases attributed to non-O157 are less severe. There is much variation in v
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Paquette, Sarah-Jo, Rahat Zaheer, Kim Stanford, James Thomas, and Tim Reuter. "Competition among Escherichia coli Strains for Space and Resources." Veterinary Sciences 5, no. 4 (2018): 93. http://dx.doi.org/10.3390/vetsci5040093.

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Shiga toxin-producing Escherichia coli (STEC) are a subgroup of E. coli causing human diseases. Methods to control STEC in livestock and humans are limited. These and other emerging pathogens are a global concern and novel mitigation strategies are required. Habitats populated by bacteria are subjected to competition pressures due to limited space and resources but they use various strategies to compete in natural environments. Our objective was to evaluate non-pathogenic E. coli strains isolated from cattle feces for their ability to out-compete STEC. Competitive fitness of non-pathogenic E.
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SMITH, JAMES L., and PINA M. FRATAMICO. "Effect of Stress on Non-O157 Shiga Toxin–Producing Escherichia coli†." Journal of Food Protection 75, no. 12 (2012): 2241–50. http://dx.doi.org/10.4315/0362-028x.jfp-12-255.

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Non-O157 Shiga toxin–producing Escherichia coli (non-O157 STEC) strains have emerged as important foodborne pathogens worldwide. Non-O157 STEC serogroups O26, O45, O103, O111, O121, and O145 have been declared as adulterants in beef by the U.S. Department of Agriculture Food Safety and Inspection Service. While documentation is limited, treatments including heat and acid that have been shown to inactivate E. coli O157:H7 will likely also destroy non-O157 STEC; however, non-O157 STEC strains show variability in their responses to stress. It has been shown that non-O157 STEC may survive in ferme
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CERNICCHIARO, N., D. G. RENTER, C. A. CULL, Z. D. PADDOCK, X. SHI, and T. G. NAGARAJA. "Fecal Shedding of Non-O157 Serogroups of Shiga Toxin–Producing Escherichia coli in Feedlot Cattle Vaccinated with an Escherichia coli O157:H7 SRP Vaccine or Fed a Lactobacillus-Based Direct-Fed Microbial†." Journal of Food Protection 77, no. 5 (2014): 732–37. http://dx.doi.org/10.4315/0362-028x.jfp-13-358.

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The objectives of this study were to determine whether fecal shedding of non-O157 Shiga toxin–producing Escherichia coli (STEC) in feedlot cattle was affected by the use of an E. coli O157:H7 vaccine or a direct-fed microbial (DFM) and whether the shedding of a particular non-O157 STEC serogroup within feces was associated with shedding of O157 or other non-O157 STEC serogroups. A total of 17,148 cattle in 40 pens were randomized to receive one, both, or neither (control) of the two interventions: a vaccine based on the siderophore receptor and porin proteins (E. coli SRP vaccine, two doses) a
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HUSSEIN, HUSSEIN S., and LAURIE M. BOLLINGER. "Prevalence of Shiga Toxin–Producing Escherichia coli in Beef Cattle." Journal of Food Protection 68, no. 10 (2005): 2224–41. http://dx.doi.org/10.4315/0362-028x-68.10.2224.

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A large number of Shiga toxin–producing Escherichia coli (STEC) strains have caused major outbreaks and sporadic cases of human illnesses, including mild diarrhea, bloody diarrhea, hemorrhagic colitis, and the life-threatening hemolytic uremic syndrome. These illnesses have been traced to both O157 and non-O157 STEC. In a large number of STEC-associated outbreaks, the infections were attributed to consumption of ground beef or other beef products contaminated with cattle feces. Thus, beef cattle are considered reservoirs of STEC and can pose significant health risks to humans. The global natur
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KARCH, HELGE, HANS-IKO HUPPERTZ, JOCHEN BOCKEMÜHL, HERBERT SCHMIDT, ANDREAS SCHWARZKOPF, and REINHARD LISSNER. "Shiga Toxin-Producing Escherichia coli Infections in Germany†." Journal of Food Protection 60, no. 11 (1997): 1454–57. http://dx.doi.org/10.4315/0362-028x-60.11.1454.

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A prospective study was carried out in collaboration with two children's hospitals in Würzburg, Germany to assess the incidence and clinical manifestations of infections due to Shiga toxin-producing Escherichia coli (STEC) in children. Between 1991 and 1995, stool samples from 2788 children with enteritis were investigated for the occurrence of STEC. STEC cultures from stools were screened using PCR with primers complementary to Shiga toxin 1(Stx1) and Shiga toxin 2 (Stx2) genes. PCR-positive samples were further subjected to colony blot hybridization and probe positive colonies were serotyped
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ACHESON, DAVID W. K. "How Does Escherichia coli O157:H7 Testing in Meat Compare with What We Are Seeing Clinically?" Journal of Food Protection 63, no. 6 (2000): 819–21. http://dx.doi.org/10.4315/0362-028x-63.6.819.

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Escherichia coli O157:H7 is but one of a group of Shiga toxin-producing E. coli (STEC) that cause both intestinal disease such as bloody and nonbloody diarrhea and serious complications like hemolytic uremic syndrome (HUS). While E. coli O157: H7 is the most renowned STEC, over 200 different types of STEC have been documented in meat and animals, at least 60 of which have been linked with human disease. A number of studies have suggested that non-O157 STEC are associated with clinical disease, and non-O157 STEC are present in the food supply. Non-O157 STEC, such as O111 have caused large outbr
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TERAO, YOSHITAKA, KANA TAKESHITA, YASUTAKA NISHIYAMA, NAOKI MORISHITA, TAKASHI MATSUMOTO, and FUMIKI MORIMATSU. "Promising Nucleic Acid Lateral Flow Assay Plus PCR for Shiga Toxin–Producing Escherichia coli." Journal of Food Protection 78, no. 8 (2015): 1560–68. http://dx.doi.org/10.4315/0362-028x.jfp-14-495.

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Shiga toxin (Stx)–producing Escherichia coli (STEC) is a frequent cause of foodborne infections, and methods for rapid and reliable detection of STEC are needed. A nucleic acid lateral flow assay (NALFA) plus PCR was evaluated for detecting STEC after enrichment. When cell suspensions of 45 STEC strains, 14 non-STEC strains, and 13 non–E. coli strains were tested with the NALFA plus PCR, all of the STEC strains yielded positive results, and all of the non-STEC and non–E. coli strains yielded negative results. The lower detection limit for the STEC strains ranged from 0.1 to 1 pg of genomic DNA
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ENACHE, ELENA, EMILY C. MATHUSA, PHILIP H. ELLIOTT, et al. "Thermal Resistance Parameters for Shiga Toxin–Producing Escherichia coli in Apple Juice." Journal of Food Protection 74, no. 8 (2011): 1231–37. http://dx.doi.org/10.4315/0362-028x.jfp-10-488.

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The purpose of the present study was to determine the heat resistance of six non-O157 Shiga toxin–producing Escherichia coli (STEC) serotypes in comparison to E. coli O157:H7 in single-strength apple juice without pulp. The thermal parameters for stationary-phase and acid-adapted cells of E. coli strains from serogroups O26, O45, O103, O111, O121, O145, and O157:H7 were determined by using an immersed coil apparatus. The most heat-sensitive serotype in the present study was O26. Stationary-phase cells for serotypes O145, O121, and O45 had the highest D56°C-value among the six non-O157 serotype
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THRAN, B. H., H. S. HUSSEIN, M. R. HALL, and S. F. KHAIBOULLINA. "Shiga Toxin–Producing Escherichia coli in Beef Heifers Grazing an Irrigated Pasture." Journal of Food Protection 64, no. 10 (2001): 1613–16. http://dx.doi.org/10.4315/0362-028x-64.10.1613.

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Shiga toxin–producing Escherichia coli (STEC) produce toxins that have been associated with several human illnesses. E. coli O157:H7 is the most well-studied STEC and was first associated with consumption of improperly cooked ground beef in 1982. E. coli O157:H7 is not the only foodborne STEC because other STEC serotypes are also associated with human illnesses. The objective of this study was to assess prevalence of STEC in 23 yearling beef (Angus) heifers grazing an irrigated grass pasture in spring (April), summer (July), fall (October), and winter (December) of 1999. A total of 86 fecal sa
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Tesis sobre el tema "Non-STEC Escherichia coli"

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Paddock, Zachary Dean. "Shiga toxin producing Escherichia coli (STEC) in cattle: factors affecting fecal shedding of E. coli O157:H7 and detection methods of non-O157 STEC." Diss., Kansas State University, 2013. http://hdl.handle.net/2097/15732.

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Doctor of Philosophy<br>Department of Diagnostic Medicine/Pathobiology<br>T. G. Nagaraja<br>Escherichia coli O157:H7 and over 380 non-O157 serotypes of Shiga toxin producing E. coli (STEC) are human food-borne pathogens that inhabit the hindgut of ruminants and are shed in the feces, which subsequently contaminate food products. Recent epidemiological data have shown that six non-O157 STEC (O26, O103, O111, O121, O45 and O145) account for majority of human STEC infections. Fecal shedding of STEC is influenced by a number of factors, including diets, supplements, and feed additives, because o
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Monaghan, Áine Marie. "Investigations on the serotypes and virulence profiles of non-O157 Shiga-toxin producing Escherichia coli (STEC) and Enteropathogenic Escherichia coli (EPEC) isolated from bovine farms and abattoirs." Thesis, Ulster University, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.695311.

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This study focuses on emerging E. coil serotypes and has developed methods for the isolation and identification of non-0157 STEC and EPEC. A basal medium for the isolation of these pathogens was developed as well as a serogroup specific PCR assay for the detection of the 02 serogroup. These culture and molecular based techniques have proven to be valuable in the detection, identification, and epidemiological investigation of these groups of emerging pathogens. These methods were applied to 1) a farm study, whereby samples (faecal and soil) and 2) an abattoir study, whereby samples (hide and ca
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Maurer, Claire Irène. "Contribution à l’étude de l’expression du gène stx2 chez des souches STEC d’origine bovine soumises ou non à des conditions d’induction par l’enrofloxacine." Thesis, Lyon 1, 2009. http://www.theses.fr/2009LYO10201/document.

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Le travail de thèse a eu pour but de contribuer à une meilleure connaissance de la dangerosité pour l’homme des souches STEC d’origine bovine, en explorant la corrélation pouvant exister entre la présence du gène stx chez de telles souches et la réalité de son expression. La quantification de l’expression du gène stx2 présent chez 46 souches STEC bovines a été réalisée à l’aide d’un test ELISA commercial détectant spécifiquement les shiga toxines, le test ProSpecT® Shiga toxin (OXOID). L’ensemble des résultats de validation préalable obtenus pour ce test a permis de considérer qu’il pouvait êt
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Maurer, Claire Irène. "Contribution à l'étude de l'expression du gène stx2 chez des souches STEC d'origine bovine soumises ou non à des conditions d'induction par l'enrofloxacine." Phd thesis, Université Claude Bernard - Lyon I, 2009. http://tel.archives-ouvertes.fr/tel-00652343.

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Le travail de thèse a eu pour but de contribuer à une meilleure connaissance de la dangerosité pour l'homme des souches STEC d'origine bovine, en explorant la corrélation pouvant exister entre la présence du gène stx chez de telles souches et la réalité de son expression. La quantification de l'expression du gène stx2 présent chez 46 souches STEC bovines a été réalisée à l'aide d'un test ELISA commercial détectant spécifiquement les shiga toxines, le test ProSpecT® Shiga toxin (OXOID). L'ensemble des résultats de validation préalable obtenus pour ce test a permis de considérer qu'il pouvait êt
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5

Foxcroft, Nicole. "Prevalence trends of foodborne pathogens, Bacillus cereus, non STEC Escherichia coli and Staphylococcus aureus in ready-to-eat foods sourced from restaurants, cafés, catering and takeaway food premises." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2024. https://ro.ecu.edu.au/theses/2845.

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The foodborne pathogens of Bacillus cereus (B. cereus), non STEC Escherichia coli (non STEC E. coli) and Staphylococcus aureus (S. aureus) are currently non-notifiable in Australia unless attributed to a food poisoning outbreak. Due to the lack of data around individual cases and isolations in foods, any changes in prevalence may go undetected. The aim of the study was to determine any changes in prevalence of B. cereus, non STEC E. coli and S. aureus in ready-to-eat foods (RTE) sampled from Western Australian restaurants, cafés, catering facilities, and takeaway food premises during the perio
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Capítulos de libros sobre el tema "Non-STEC Escherichia coli"

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Jaros, Patricia, Muriel Dufour, Brent Gilpin, Molly M. Freeman, and Efrain M. Ribot. "PFGE for Shiga Toxin-Producing Escherichia coli O157:H7 (STEC O157) and Non-O157 STEC." In Methods in Molecular Biology. Springer New York, 2015. http://dx.doi.org/10.1007/978-1-4939-2599-5_15.

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"AOAC Official Method 2017.05 Escherichia coli O157:H7 and E. coli non-O157 Shiga Toxin-Producing E. coli (STEC) in Select Foods." In Official Methods of Analysis of AOAC INTERNATIONAL, 22nd ed. Oxford University Press, 2023. http://dx.doi.org/10.1093/9780197610145.003.2216.

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Actas de conferencias sobre el tema "Non-STEC Escherichia coli"

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Kaufmann, Martin, Claudio Zweifel, Jorge Blanco, and Roger Stephan. "Prevalence and characteristics of non-O157 shiga toxin-producing Escherichia coli (STEC) and Escherichia coli O157 in fattening pigs at slaughter in Switzerland." In Sixth International Symposium on the Epidemiology and Control of Foodborne Pathogens in Pork. Iowa State University, Digital Press, 2005. http://dx.doi.org/10.31274/safepork-180809-775.

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Yoon, Seung Chul, William R. Windham, Scott Ladely, et al. "Hyperspectral imaging for detection of non-O157 Shiga-toxin producing <i>Escherichia coli</i> (STEC) serogroups on spread plates of mixed cultures." In SPIE Defense, Security, and Sensing. SPIE, 2012. http://dx.doi.org/10.1117/12.919631.

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Informes sobre el tema "Non-STEC Escherichia coli"

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Rosser, Katy, Iulia Gherman, Erica Kintz, Paul Cook, and Anthony WIlson. Assessment of the risk to consumers as a result of disruption to the cold chain during direct supply of Qurbani meat and offal. Food Standards Agency, 2022. http://dx.doi.org/10.46756/sci.fsa.nuc910.

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Qurbani is a religious practice that takes place during Eid al-Adha. Consumers practicing Qurbani typically wish to collect meat and red offal within a short time after slaughter, which means these products cannot complete normal chilling processes before leaving the slaughterhouse. This could permit greater growth of pathogens and has the potential to increase the risk of consumer illness. The FSA is working with industry and stakeholder groups to ensure that the risk to consumers under these conditions remains at an acceptable level. To help inform these discussions, the FSA commissioned thi
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