Relevant bibliographies by topics / Escherichai coli infections

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Academic literature on the topic 'Escherichai coli infections'

Author: Grafiati
Published: 4 June 2021
Last updated: 15 February 2022

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Journal articles on the topic "Escherichai coli infections"

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Ramilo, Octavio, Windy Allman, Wendy Chung, Asuncion Mejias, Monica Ardura, Casey Glaser, Knut M. Wittkowski, et al. "Gene expression patterns in blood leukocytes discriminate patients with acute infections." Blood 109, no. 5 (November 14, 2006): 2066–77. http://dx.doi.org/10.1182/blood-2006-02-002477.

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Abstract Each infectious agent represents a unique combination of pathogen-associated molecular patterns that interact with specific pattern-recognition receptors expressed on immune cells. Therefore, we surmised that the blood immune cells of individuals with different infections might bear discriminative transcriptional signatures. Gene expression profiles were obtained for 131 peripheral blood samples from pediatric patients with acute infections caused by influenza A virus, Gram-negative (Escherichia coli) or Gram-positive (Staphylococcus aureus and Streptococcus pneumoniae) bacteria. Thirty-five genes were identified that best discriminate patients with influenza A virus infection from patients with either E coli or S pneumoniae infection. These genes classified with 95% accuracy (35 of 37 samples) an independent set of patients with either influenza A, E coli, or S pneumoniae infection. A different signature discriminated patients with E coli versus S aureus infections with 85% accuracy (34 of 40). Furthermore, distinctive gene expression patterns were observed in patients presenting with respiratory infections of different etiologies. Thus, microarray analyses of patient peripheral blood leukocytes might assist in the differential diagnosis of infectious diseases.
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Szymankiewicz, Maria, Krzysztof Koper, Konrad Dziobek, Zbigniew Kojs, and Lukasz Wicherek. "Microbiological monitoring in patients with advanced ovarian cancer before and after cytoreductive surgery – a preliminary report." Current Issues in Pharmacy and Medical Sciences 30, no. 4 (December 1, 2017): 198–202. http://dx.doi.org/10.1515/cipms-2017-0038.

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Abstract Multidrug-resistant organisms (MDROs) are becoming an increasing problem in hospitals. It is believed that screening patients for the incidence of MDROs prior to hospital admission not only allows for the proper management of infection following medical procedures, but can also potentially reduce the transmission of these bacteria to other patients. The aim of this study was to assess the carriers of selected MDROs in the gastrointestinal tract among patients with advanced ovarian cancer admitted to the hospital for cytoreductive surgery and to estimate the possible relationship between rectal colonization with these organisms and nosocomial infections. From December 2013 to May 2014, we evaluated the colonization with VRE (vancomycin-resistant Enterococcus), E. coli KPC+ (class A carbapenemase producing Escherichia coli), E. coli MBL+ (class B carbapenemase, metallo-ß lactamase producing Escherichia coli), and E. coli ESBL+ (extended-spectrum ß-lactamase producing Escherichia coli) in 42 patients. The patients were divided into two subgroups corresponding to the extent of their surgery: the first subgroup consisted of patients with large bowel resection (n=18) and the second subgroup of patients without resection (n=24). A rectal swab was taken within 24 hours of admission. Perioperative infectious complications were analyzed for the first 90 days following surgery with regard to the type of infection and the occurrence of examined MDROs. In our study, 2.4 % of all patients (23.8/1,000 hospitalizations) were colonized with ESBL - producing Escherichia coli: 0.0 % in the first subgroup and 4.2% in the second subgroup, respectively. We did not identify any patients who were colonized with VRE, E. coli MBL+, or E. coli KPC+. Surgical site infections were seen in 8 (19.1%) out of 42 patients. We were, therefore, unable to confirm a relationship between MDROs colonizing the large bowel and the etiological agents of perioperative infections. However, despite the lack of identification of MDROs as etiological agents of postoperative infection, the risk of serious infectious complications, combined with the changing epidemiological situation, means that microbiological monitoring should be performed in patients with ovarian cancer before and after cytoreductive surgery.
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FELIX DO NASCIMENTO SÉRGIO, VANESSA, EDUARDO RIBEIRO ALMEIDA DE CASTRO, CLAUDIA PATRÍCIA ALBUQUERQUE DE CARVALHO SERAPHIM, JOSÉ AUGUSTO ADLER PEREIRA, and ANTÔNIO PONCE DE LEON. "FATORES ASSOCIADOS À RESISTÊNCIA A ANTIMICROBIANOS DE ESCHERICHIA COLI CAUSADORAS DE INFECÇÕES DO TRATO URINÁRIO." Revista SODEBRAS 14, no. 167 (November 2019): 46–59. http://dx.doi.org/10.29367/issn.1809-3957.14.2019.167.46.

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Mazurek-Popczyk, Justyna, Justyna Pisarska, Ewa Bok, and Katarzyna Baldy-Chudzik. "Antibacterial Activity of Bacteriocinogenic Commensal Escherichia coli against Zoonotic Strains Resistant and Sensitive to Antibiotics." Antibiotics 9, no. 7 (July 15, 2020): 411. http://dx.doi.org/10.3390/antibiotics9070411.

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Antibiotic resistance concerns various areas with high consumption of antibiotics, including husbandry. Resistant strains are transmitted to humans from livestock and agricultural products via the food chain and may pose a health risk. The commensal microbiota protects against the invasion of environmental strains by secretion of bacteriocins, among other mechanisms. The present study aims to characterize the bactericidal potential of bacteriocinogenic Escherichia coli from healthy humans against multidrug-resistant and antibiotic-sensitive strains from pigs and cattle. Bacteriocin production was tested by the double-layer plate method, and bacteriocin genes were identified by the PCR method. At least one bacteriocinogenic E. coli was detected in the fecal samples of 55% of tested individuals, adults and children. Among all isolates (n = 210), 37.1% were bacteriocinogenic and contained genes of colicin (Col) Ib, ColE1, microcin (Mcc) H47, ColIa, ColM, MccV, ColK, ColB, and single ColE2 and ColE7. Twenty-five E. coli carrying various sets of bacteriocin genes were further characterized and tested for their activity against zoonotic strains (n = 60). Strains with ColE7 (88%), ColE1-ColIa-ColK-MccH47 (85%), MccH47-MccV (85%), ColE1-ColIa-ColM (82%), ColE1 (75%), ColM (67%), and ColK (65%) were most active against zoonotic strains. Statistically significant differences in activity toward antibiotic-resistant strains were shown by commensal E. coli carrying MccV, ColK-MccV, and ColIb-ColK. The study demonstrates that bacteriocinogenic commensal E. coli exerts antagonistic activity against zoonotic strains and may constitute a defense line against multidrug-resistant strains.
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Kakou Yao, Rita, Jules Abodou Tenon, and Akoun Abou. "Bioactive molecules modelised by numerical simulation:molecules against Escherichia Coli." Acta Crystallographica Section A Foundations and Advances 70, a1 (August 5, 2014): C1008. http://dx.doi.org/10.1107/s2053273314089918.

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The work exposed in this paper joins in the research of medecine by means of the modelling by digital simulation (method in silico). This method allows to plan the biological activities of new molecules and to design others more active than existing molecules against a given infection . The generated and validated models are used here in the research for molecules potentially more active against Escherichia coli which causes diarrheic infections at the human beings. Here, we report works the synthesis of our works of structural determination, of forecast of biological activity and conception of molecules bioactive again Eschericha coli.
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Drinan, Lorraine. "Escherichia coli infections." Nursing Standard 25, no. 8 (October 27, 2010): 59–60. http://dx.doi.org/10.7748/ns.25.8.59.s50.

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Makvana, S., and L. R. Krilov. "Escherichia coli Infections." Pediatrics in Review 36, no. 4 (April 1, 2015): 167–71. http://dx.doi.org/10.1542/pir.36-4-167.

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Preveden, Tomislav. "Bacterial infections in patients with liver cirrhosis." Medical review 68, no. 5-6 (2015): 187–91. http://dx.doi.org/10.2298/mpns1506187p.

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Introduction. Liver cirrhosis is characterized by a reduced defensive reaction to bacterial infections and patients with cirrhosis are at increased risk of developing infections, sepsis and death. The most common bacterial infections in these patients are spontaneous bacterial peritonitis, urinary tract infection, pneumonia, skin and soft tissue infection and bacteremia. The most common causes are Gram negative bacteria. The aim of this study was to determine the prevalence, localization and etiology of bacterial infections in hospitalized patients with liver cirrhosis. Material and Methods. This retrospective study included 401 patients with liver cirrhosis hospitalized at the Department of Infectious Diseases, Clinical Center of Vojvodina Novi Sad in the period from 2006 to 2010. Bacterial infection was diagnosed according to clinical examination, laboratory findings, radiological examination and bacterial positive culture. Results. The prevalence of bacterial infection was 38.15% (153/401). The most common infections were pneumonia (21.56%), urinary tract infection (20.91%), and spontaneous bacterial peritonitis (18.95%). Localization of infection remained undetermined in as many as 37 patients (24.18%). Bacterial cultures were positive in 32 patients (20.91%), Gram negative bacteria were commonly isolated, mostly Escherichia coli (71.87%). The mortality rate among patients with bacterial infections was 31.37% (48/153). Conclusion. Bacterial infections are often found in patients with liver cirrhosis, the most frequent being pneumonia, urinary tract infection and spontaneous bacterial peritonitis. Gram negative bacteria, especially Escherichia coli were predominant in the etiology. The extent to which bacterial infections are taken into consideration in cases with liver cirrhosis is rather high; however, they are not proved etiologically to the satisfactory level.
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Ribić, Rosana, Tomislav Meštrović, Marijana Neuberg, and Goran Kozina. "Effective anti-adhesives of uropathogenic Escherichia coli." Acta Pharmaceutica 68, no. 1 (March 1, 2018): 1–18. http://dx.doi.org/10.2478/acph-2018-0004.

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Abstract Urinary tract infections (UTIs) caused by uropathogenic Escherichia coli (UPEC) are among the most common infectious diseases in humans. Due to their frequent occurrence in the community and nosocomial settings, as well as the development of resistance to the commonly prescribed antimicrobial agents, an enormous financial burden is placed on healthcare systems around the world. Therefore, novel approaches to the prevention and treatment of UTIs are needed. Although UPEC may harbour a plethora of virulence factors, type I fimbriae and P pili are two of the most studied adhesive organelles, since the attachment to host cells in the urinary tract is a crucial step towards infection. Design of receptor analogues that competitively bind to UPEC surface adhesins placed at the top of pili organelles led to the development of anti-adhesive drugs that are increasingly recognized as important and promising alternatives to antibiotic treatment of UTIs.
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Schousboe, Mona, Jania Lynds, and Chris Ambrose. "Increased Incidence of Escherichia Coli Bacteremia Post-Christchurch Earthquake 2011: Possible Associations." Prehospital and Disaster Medicine 28, no. 3 (February 21, 2013): 202–9. http://dx.doi.org/10.1017/s1049023x13000137.

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AbstractIntroductionEarthquakes are natural events that contribute to the transmission of infectious diseases. The aim of this research was to determine whether the observed increase in Escherichia coli (E. coli) bloodstream infections (BSI) during the period March-June 2011 was associated with the February 2011 Christchurch earthquake.MethodsDescriptive statistics and spatial distributional analysis techniques were used to quantify patients with E. coli BSI in 2009-2011.ResultsE. coli BSI acquired from non-catheter related urinary tract infection (UTI) was the predominant infection type, with the greatest increase during March-June 2011. Bacteremia incidence was higher in females than in males for 2009-2011. In 2011, the median age of patients was 75 years, and an increase in males acquiring such infections was noted. Spatial distributional analysis failed to show direct association between bacteremia cases and liquefaction-related land damage or drinking water contamination. A higher incidence of E. coli BSI post-earthquake in the eastern suburbs, which tend towards a higher level of socioeconomic deprivation, was observed.ConclusionA number of possible factors contributing to the observed increase in E. coli BSI acquired from UTI in 2011 were considered. Individuals with higher deprivation indices, males and the elderly may be particularly vulnerable to the effects of a major disaster with subsequent breakdown of infrastructure. These findings have important implications in natural disaster situations, and justify development of strategies to identify UTI and pyelonephritis risk factors and to manage E. coli bacteremia incidence rates.SchousboeM, LyndsJ, AmbroseC. Increased incidence of Escherichia Coli bacteremia post-Christchurch earthquake 2011: possible associations. Prehosp Disaster Med. 2013;28(3):1-8.
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Dissertations / Theses on the topic "Escherichai coli infections"

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Solecki, Olivia. "Explaining the urban and rural differences of Escherichia coli 0157 human infection in Grampian." Thesis, Available from the University of Aberdeen Library and Historic Collections Digital Resources, 2008. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?application=DIGITOOL-3&owner=resourcediscovery&custom_att_2=simple_viewer&pid=25203.

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Ranfaing, Jérémy. "Etudes des activités anti-adhérentielles et anti-bactériennes de la canneberge (Vaccinium macrocarpon) et de la propolis." Thesis, Montpellier, 2017. http://www.theses.fr/2017MONTT122.

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L’infection urinaire (IU) est un problème majeur de Santé publique. La cystite aiguë touchant principalement les femmes est la plus fréquente des IU. La bactérie la plus fréquemment isolée au cours de ces IU est Escherichia coli. Une des particularités de la cystite est sa propension à récidiver. Le traitement préconisé pour ces infections est la prise d’antibiotiques, qui peut être fréquente en cas de cystites récidivantes. C’est dans ce contexte que de nouvelles stratégies doivent être développées afin de prévenir et traiter les IU récidivantes. Parmi ces différentes stratégies, l’utilisation de produits naturels tels que la canneberge (Vaccinium macrocarpon) apparaît comme prometteuse. En effet, des études précédentes ont montré que la canneberge a un effet négatif sur l’adhésion des bactéries aux cellules superficielles de l’épithélium vésical facilitant l’élimination des bactéries par le flux urinaire. Cette activité est portée par la proanthocyanidine de type A (PAC-A). D’autre part, une étude menée par notre équipe a montré que l’effet de la canneberge sur l’adhésion et la virulence de souches d’E. coli uropathogènes pouvait être potentialisé par l’ajout d’un autre composé naturel : la propolis. Depuis l’Antiquité ses propriétés anti-bactériennes sont reconnues et des études plus récentes ont démontré son impact sur des bactéries à Gram positif mais également sur deux bactéries à Gram négatif : E. coli et Pseudomonas aeruginosa. Ce travail de thèse a permis : i) de décrire l’impact de la canneberge, de la propolis et de leur association sur le transcriptome d’une souche clinique d’E. coli uropathogène (G50). Cette analyse transcriptomique a montré que la canneberge entrainait une sous-expression de gènes liés à l’adhésion, mais également de gènes liés à la mobilité et à la formation de biofilm. En revanche, la canneberge augmentait l’expression des gènes liés au métabolisme du fer ainsi qu’à la réponse au stress. Ces effets étaient potentialisés par l’ajout de la propolis. En parallèle, des tests phénotypiques menés sur une collection de souches d’E. coli uropathogènes sur la mobilité et la formation de biofilm ont confirmé les résultats précédents ; ii) de développer un test, basé sur les précédents travaux de transcriptomique, permettant une évaluation standardisée de l’effet de la PAC-A sur E. coli, indépendamment de sa concentration car il n’existe pas de techniques standardisées pour doser cette molécule. C’est ainsi que 4 gènes (tsr, ftnA, fecB, feoB) ont été sélectionnés, le suivi de leur expression permettant une mesure de l’activité anti-bactérienne de la canneberge; iii) de mesurer l’effet potentialisateur de la propolis sur l’activité des antibiotiques utilisés dans le traitement des IU. C’est ainsi qu’il a été montré que l’ajout de la propolis permettait d’augmenter l’activité bactéricide des antibiotiques testés et de diminuer les concentrations minimales inhibitrices de ces antibiotiques
Urinary Tract Infection (UTI) is a major problem of public health. Acute cystitis which touches mostly women is the most common form of UTI. The bacteria which is mostly isolated in an UTI is Escherichia coli. A particularity of cystitis is to come back. In this context news strategies have to be developed to prevent and cure recurrent UTI. One of these strategies is the utilization of natural products like the cranberry (Vaccinium macrocarpon) which is promising. Indeed, previous studies showed the negative impact of cranberry on the adhesion of bacteria on the superficial cells of bladder which help the elimination of bacteria by the urinary flux. This activity is carried by the type A proanthocyanidin (PAC-A). Moreover, a study lead by our team has demonstrated an improvement of the activity of cranberry on the adhesion and the virulence of uropathogenic E. coli (UPEC) by another natural product: the propolis. Since Antiquity its antibacterial activities have been recognize and more recent studies have demonstrated its impact of Gram positive bacteria and also on two Gram negative bacteria: E. coli and Pseudomonas aeruginosa. This thesis has allowed for: i) the description of the impact of cranberry, propolis and its association on the transcriptome of a clinical strain of UPEC (G50). This transcriptomic analyze have shown that the cranberry down regulated genes linked to the adhesion and also genes linked to the motility and biofilm formation. However the cranberry up regulated genes linked to the iron metabolism and the stress response. These effects are improve by the addition of propolis. Concurrently phenotypics tests have been conducted on a collection of UPEC on the motility and the biofilm formation and they confirmed the previous results; ii) the development of a test, based on our transcriptomic results, enable to performed a standardized evaluation of the impact of PAC-A on E. coli, independently of its concentration. Indeed, this molecule cannot be measure in a standard way. Four genes have been selected (tsr, ftnA, fecB, feoB), the monitoring of their expression allow us to measure the anti-bacterial efficiency of the cranberry; iii) the measurement of the potential effect of the propolis of the antibiotic’s activities used to treat UTIs. Thus it have been observed that the addition of propolis improve the bactericide activity of the antibiotics tested and reduces the minimal inhibitory concentration of these antibiotics
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Burke, Denis Anthony. "Ulcerative colitis and Escherichia coli." Thesis, University of Newcastle Upon Tyne, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.309075.

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Wu, Gilbert Kar Po. "Signal transduction responses to enteropathogenic Escherichia coli and Shiga toxin-producing Escherichia coli infections." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape7/PQDD_0007/MQ46054.pdf.

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Houdouin, Véronique. "Caractérisation des souches de Escherichia coli responsables de pathologies extra-intestinales chez l'enfant : approche moléculaire et approche clinique." Paris 5, 2007. http://www.theses.fr/2007PA05D039.

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Pour mieux appréhender les mécanismes physiopathologiques impliqués dans les infections extra-intestinales à E. Coli chez l'enfant, nous avons recherché une relation entre les caractéristiques génétiques bactériennes et les facteurs pronostiques cliniques des méningites néonatales et des infections urinaires. Notre stratégie repose sur trois approches : une approche moléculaire globale et ciblée, une approche fonctionnelle associant mutagénèse et modèle de méningite expérimentale et une approche clinique. Nous avons retrouvé une relation négative entre la virulence bactérienne et la mortalité des méningites néonatales, et entre la virulence et les anomalies anatomiques lors des pyélonéphrites. La relation négative entre virulence et résistance aux quinolones n'a pas été retrouvée dans le modèle animal. Enfin nous avons mis en évidence l'émergence d'un clone O45 : K1 hautement virulent, responsable de méningites en France et la présence d'un domaine génétique semblable à l'îlot de pathogénicité PAA IIJ96 dans la souche archétype C5
To understand the pathogenesis of extra-intestinal E. Coli in meningitis and urinary tract infections in children, we used a molecular, experimental model and clinical approach. We found a negative association between virulence and lethal outcome in neonatal meningitis as between virulence and anatomical abnormalities in urinary tract infections. The link between genetic virulence and in vitro resistance to quinolones was not proved in the neonatal meningitis rat model. Among our collection of French E. Coli neonatal meningitis we identified a major highly virulent O45 : K1 clonal group. The archetypal strain C5 causing neonatal meningitis harbors a pathogenicity island similar to the PAI IIJ96
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Bourlioux, Marc. "Nouvelle méthodologie permettant la mise en évidence rapide des infections urinaires." Paris 5, 1988. http://www.theses.fr/1988PA05P259.

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Karami, Nahid. "Antibiotic resistance and fitness of Escherichia coli in the infantile commensal microbiota /." Göteborg : Department of Clinical Bacteriology, Göteborg University, 2007. http://hdl.handle.net/2077/4418.

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Stevenson, Sam M. L., and University of Lethbridge Faculty of Arts and Science. "Transfer of rifampicin-resistant Escherichia coli among feedlot cattle." Thesis, Lethbridge : University of Lethbridge, Facutly of Arts and Science, 2002, 2002. http://hdl.handle.net/10133/237.

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Transfer and shedding of a rifampicin-resistant strain of Escherichia coli (RREC) among cattle was studied in a research feedlot comprised of 30 pens of 11 or 12 yearling steers. On 3 separate occasions, 9,6 and 6 of the 12 steers in 3 different peripheral pens in the lot were orally inoculated with 1011 cells of an unmodified RREC isolate from bovine feces. Fecal swabs were preformed on all 360 steers in the feedlot immediately prior to and at approximately 5-week intervals thereafter. Following inoculation, fecal grab samples were collected daily from all 12 pen mates for up to 4 months. In all 3 trials, the inoculated steers each shed RREC within 24 h of inoculation. All 12 steers in each inoculated pen were positive for RREC within 48 h; all 36 steers shed RREC intermittently throughout the three sampling periods. Transfer to 4 steers in an adjacent pen was confirmed only during the first trial (3 steers shed once each on day 8, day 26 or day 40; the fourth shed on 6 occasions between days 8 and 40). Transfer to non-adjacent pens was not detected during any of the 3 trials. All recovered RREC isolates were compared to the inocula using LMX agar and fatty acid methyl ester (FAME) analysis. Additionally, select recovered isolates were subjected to carbon source utilization tests. The three inocula were further subjected to 16S rRNA sequence analysis, minimum inhibitory antibiotic concentration profiles and pulsed-field gel electrophoresis and were determined to be the same strain. It was observed with the exception of the pen floor, that the resistant strain did not move through the animal feedlot environment, as easily or pervasively as other studies suggested. The RREC did not persist in the feedlot environment beyond the 4-month trial period. Fecal contamination form the pen floor, animal-to-animal contact and the chute system may have facilitated transfer of the resistant strain between animals. Animal stress may have facilitated the pen-to-pen transfer observed during trial 1, as the inoculation was conducted within 1 week of the steers' arrival in the feedlot.
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MacRitchie, Laura. "Human campylobacteriosis : elucidating the exposure, disease burden, health cost and acceptability of interventions." Thesis, University of Aberdeen, 2012. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=195982.

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Campylobacter is the most commonly reported bacterial cause of gastrointestinal disease in developed countries. Campylobacteriosis is an infectious disease that causes severe diarrhoea, abdominal cramps, vomiting, blood in stools and fever, along with the inability to carry out normal activities for an estimated 3-5 days. Long term sequelae associated with Campylobacter infection includes Guillain Barré syndrome, irritable bowel syndrome and reactive arthritis. The incidence of human campylobacteriosis in the Grampian region was 138.8 per 100,000 people in 2011 which was one of the highest incidence rates within Scotland. Identified areas of limited knowledge in Campylobacter research include: population exposure to risk factors, financial burden and public acceptability of interventions to reduce Campylobacter in the poultry process. This thesis utilises questionnaire methods to gather data from the Grampian population to expand our knowledge in these research areas to assist in the reduction of human campylobacteriosis.
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Omolajaiye, Sunday Abraham. "Isolation and characterization of E. coli and Campylobacter spp. from diarrhoeal samples collected from selected hospitals in Amathole District Municipality, Eastern Cape, South Africa." Thesis, University of Fort Hare, 2018. http://hdl.handle.net/10353/6213.

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Approximately 2-4 billion cases of infectious diarrhoea occur every year, with the highest numbers recorded in sub-Saharan Africa. It remains the most common public health issue among children in developing nations. The purpose of this research was to unfold the prevalence of diarrhoeagenic E. coli and Campylobacter pathotypes as well as elucidate their antibiogram characteristics in diarrhoeal stool samples collected in some medical facilities in Eastern Cape Province, South Africa. Two hundred stool samples were collected from both inpatients and outpatients from male and females of all age groups attending selected medical facilities in the study area. Isolation and characterization of both organisms were done using culture based and molecular methods. Antibiotic susceptibility patterns of identified isolates were determined against a panel of 12 antimicrobial agents. One hundred and twenty presumptive E. coli isolates and 42 presumptive isolates of Campylobacter spp. Were isolated. Eighty-two percent (82 percent) of the presumptive E. coli isolates were confirmed as E. coli while 46.3 percent belonged to Campylobacter spp. Pathotyping of the diarrhoeagenic E. coli isolates by Polymerase chain reaction (PCR) showed the following prevalences: DAEC 43 (32 percent), EHEC 18 (17 percent), EIEC 11 (10 percent) and EPEC 18 (17 percent). EAEC and ETEC were not detected, while for Campylobacter spp. 37 (88 percent) were C. jejuni, and C. coli was not detected. A total of 12 (32.4 percent) of the confirmed Campylobacter jejuni isolates were found to possess the fliM gene, 9 (24.3 percent) possessed the flhA gene and only 6 (16.2 percent) harboured the gene flgE2. None were positive for the flaA, flab and flhB genes.The antibiotic resistance patterns observed among the E. coli isolates were high against ampicillin (98.1 percent), chloramphenicol (94.3 percent) and tetracycline (90.6 percent). For Campylobacter spp., resistance observed were: chloramphenicol (91.6 percent), tetracycline (25.2 percent), erythromycin (49.6 percent) and gentamycin (56.4 percent). A lesser resistance against imipenem (35.9 percent) and quinolone (ciprofloxacin) (45.5 percent) were exhibited by the E.coli isolates. 10.8 percent and 20.3 percent of the Campylobacter isolates were resistant to imipenem and ciprofloxacin respectively. The presence of chloramphenicol (CatA1) and tetracycline (tetA) resistance genes were detected in 94 percent and 89 percent of E. coli isolates respectively while 98 percent of Campylobacter spp. Harboured the catA1 resistance gene. It could be deduced from this study that E. coli and Campylobacter spp. are predomiant enteric pathogens as the etiologic agents of diarrhoea in the study community, and that their antimicrobial resistance is high in the study location. The need to develop strategies to prevent infection and control resistant organisms is evident.
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Books on the topic "Escherichai coli infections"

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Kasʹi͡anenko, A. M. Gigienicheskie i ėpidemiologicheskie aspekty ėsherikhiozov. Kiev: Nauk. dumka, 1988.

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Hilary, Babcock, ed. Escherichia coli infections. 2nd ed. New York: Chelsea House, 2010.

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Manning, Shannon D. Escherichia coli infections. Edited by Babcock Hilary. 2nd ed. New York: Chelsea House, 2010.

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Manning, Shannon D. Escherichia coli infections. Edited by Alcamo I. Edward and Heymann David L. Philadelphia: Chelsea House, 2005.

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Wiwanitkit, Viroj. Escherichia coli Infections. North Charleston: CreateSpace Independent Publishing Platform, 2011.

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Kay, Miller Ellen. Escherichia coli O157. Beltsville, Md: National Agricultural Library, 1992.

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Kay, Miller Ellen. Escherichia coli O157. Beltsville, Md: National Agricultural Library, 1993.

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United States. Animal and Plant Health Inspection Service. Veterinary Services. Centers for Epidemiology and Animal Health. Escherichia coli O157:H7: Issues and ramifications : executive summary. Fort Collins, Colo: USDA:APHIS:VS, Centers for Epidemiology and Animal Health, 1994.

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E. coli. New York: Cavendish Square, 2016.

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E. coli infections: Causes, treatment, and prevention. Hauppauge, N.Y: Nova Science Publisher's Inc., 2011.

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Book chapters on the topic "Escherichai coli infections"

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Rabinowitz, Ronald P., and Michael S. Donnenberg. "Escherichia coli." In Infectious Agents and Pathogenesis, 101–31. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4899-0313-6_6.

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Nataro, James P. "Enteroaggregative Escherichia coli." In Emerging Infections 6, 101–10. Washington, DC, USA: ASM Press, 2014. http://dx.doi.org/10.1128/9781555816995.ch7.

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Gyles, C. L., and J. M. Fairbrother. "Escherichia Coli." In Pathogenesis of Bacterial Infections in Animals, 267–308. Oxford, UK: Wiley-Blackwell, 2010. http://dx.doi.org/10.1002/9780470958209.ch15.

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DuPont, Herbert L., M. Teresa Estrada-Garcia, and Zhi-Dong Jiang. "Escherichia coli Diarrhea." In Bacterial Infections of Humans, 299–314. Boston, MA: Springer US, 2009. http://dx.doi.org/10.1007/978-0-387-09843-2_15.

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DuPont, Herbert L., and John J. Mathewson. "Escherichia coli Diarrhea." In Bacterial Infections of Humans, 239–54. Boston, MA: Springer US, 1991. http://dx.doi.org/10.1007/978-1-4757-1211-7_12.

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DuPont, Herbert L., and John J. Mathewson. "Escherichia coli Diarrhea." In Bacterial Infections of Humans, 269–83. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-5327-4_15.

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Griffin, Patricia M., and Thomas G. Boyce. "Escherichia coli O157:H7." In Emerging Infections 1, 137–45. Washington, DC, USA: ASM Press, 2014. http://dx.doi.org/10.1128/9781555816940.ch9.

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Pitout, Johann D. D. "Escherichia Coli." In Molecular Techniques for the Study of Hospital-Acquired Infection, 179–92. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9781118063842.ch11.

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Welch, Rodney A. "Uropathogenic Escherichia coli-Associated Exotoxins." In Urinary Tract Infections, 263–76. Washington, DC, USA: ASM Press, 2016. http://dx.doi.org/10.1128/9781555817404.ch13.

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Sokurenko, Evgeni. "Pathoadaptive Mutations in Uropathogenic Escherichia coli." In Urinary Tract Infections, 331–57. Washington, DC, USA: ASM Press, 2016. http://dx.doi.org/10.1128/9781555817404.ch15.

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Conference papers on the topic "Escherichai coli infections"

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Al-Asmar, Jawaher, Sara Rashwan, and Layla Kamareddine. "The use of Drosophila Melanogaster as a Model Organism to study the effect of Bacterial Infection on Host Survival and Metabolism." In Qatar University Annual Research Forum & Exhibition. Qatar University Press, 2020. http://dx.doi.org/10.29117/quarfe.2020.0186.

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Enterobacteriaceae, a large family of facultative anaerobic bacteria, encloses a broad spectrum of bacterial species including Escherichia coli, Salmonella enterica, and Shigella sonnei, that produce enterotoxins and cause gastrointestinal tract diseases. While much is known about the regulation and function of enterotoxins within the intestine of the host; the lack of cheap, practical, and genetically tractable model organisms has restricted the investigation of others facets of this host-pathogen interaction. Our group, among others, has employed Drosophila melanogaster, as a model organism to shed more light on some aspects of host-pathogen interplays. In this project, we addressed the effect of Escherichia coli, Salmonella enterica, and Shigella sonnei infection on altering the metabolic homeostasis of the host. Drosophila melanogaster flies were orally infected with Escherichia coli, Salmonella enterica, or Shigella sonnei, a method that mimics the natural route used by enteric pathogens to gain access to the gastrointestinal tract in humans. The results of our study revealed that both Escherichia coli and Shigella sonnei pathogens were capable of colonizing the host gut, resulting in a reduction in the life span of the infected host. Escherichia coli and Shigella sonnei infected flies also exhibited altered metabolic profiles including lipid droplets deprivation from their fat body (normal lipid storage organ in flies), irregular accumulation of lipid droplets in their gut, and significant elevation of systemic glucose and triglyceride levels. These metabolic alterations could be mechanistically attributed to the differential down-regulation in the expression of metabolic peptide hormones (Allatostatin A, Diuretic hormone 31, and Tachykinin) detected in the gut of Escherichia coli and Shigella sonnei infected flies. Salmonella enterica; however, was unable to colonize the gut of the host; and therefore, Salmonella enterica infected flies exhibited a relatively normal metabolic status as that of non infected flies. Gaining a proper mechanistic understanding of infection-induced metabolic alterations helps in modulating the pathogenesis of gastrointestinal tract diseases in a host and opens up for promising therapeutic approaches for infection induced metabolic disorders
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Torrens, Francisco, and Gloria Castellano. "Exact structure of bacteriophage T4 and infection: Stopping Escherichia coli." In The 13th International Electronic Conference on Synthetic Organic Chemistry. Basel, Switzerland: MDPI, 2009. http://dx.doi.org/10.3390/ecsoc-13-00205.

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Di, Y. P., X. Zhang, L. Huleihel, N. Remlinger, and T. W. Gilbert. "Extracellular Matrix Protects Host from Escherichia Coli-Induced Respiratory Infection." In American Thoracic Society 2019 International Conference, May 17-22, 2019 - Dallas, TX. American Thoracic Society, 2019. http://dx.doi.org/10.1164/ajrccm-conference.2019.199.1_meetingabstracts.a6162.

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Kostenko, Victoria, M. Mehdi Salek, Mohammad A. Boraey, Michael G. Surette, and Robert J. Martinuzzi. "Escherichea coli Biofilm Formation and Susceptibility in Response to Increased Shear Stresses." In ASME 2008 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2008. http://dx.doi.org/10.1115/sbc2008-193009.

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The development of biofilms, well organized communities of bacterial cells embedded in a self-generated extra-cellular polymeric matrix, on medical devices (vascular or urinary catheters, surgical implants) and surrounding tissue poses a great challenge for modern medicine. The biofilm environment confers onto bacterial cells resistance to antimicrobials and the host immune system that leads to persistent and recurrent device-associated infections, deterioration of patient life quality, and often replacement of the device [1].
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"Novel Antibiotics and Plant Extract combination against Infection with Escherichia coli and Staphylococcus aureus." In 5th International Conference on Applied Science Energy and Environment. Ishik University, 2018. http://dx.doi.org/10.23918/icasee2018.01.

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Vaitkus, Simonas, Rafaela Simoes-Torigoe, Oren Gotlib, Karcher Morris, Frederick E. Spada, Madhu Alagiri, and Frank E. Talke. "Investigation of Biofilm-Inhibiting Zinc-Silver Oxide Urinary Catheter Coatings." In ASME 2020 29th Conference on Information Storage and Processing Systems. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/isps2020-1963.

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Abstract Catheter associated urinary tract infection (CAUTI) is a widespread complication within hospitals and nursing homes. A potential treatment is to use a biofilm-inhibiting catheter. In this paper, methods for creating a biofilm retardant catheter coating using silver, silver oxide, and/or zinc particles combined with polydimethylsiloxane (PDMS) are described. The coating was first applied to the outside surface of the catheter and then tested for its antimicrobial properties with respect to preventing planktonic and biofilm growth of Escherichia coli. A comparison of our “in house” created catheters was then made with commercially available antimicrobial urinary catheters.
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Mulyani, Hani, Yati Maryati, Euis Filailla, Agustine Susilowati, Puspa D. N. Lotulung, and Aspiyanto Aspiyanto. "Benefits of fermented beet (Beta vulgaris L.) against digestive infection Escherichia coli and free radicals prevention." In PROCEEDINGS OF THE 5TH INTERNATIONAL SYMPOSIUM ON APPLIED CHEMISTRY 2019. AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5134589.

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Gao, Yali, Philip M. Sherman, Yu Sun, and Dongqing Li. "Multiplexed High-Throughput Electrokinetically-Controlled Immunoassay on a Chip for the Detection of Specific Bacterial Antibodies in Human Serum." In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-42512.

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This work presents a multiplexed electrokinetically-controlled heterogeneous immunoassay that can process ten samples in parallel. The immunoassay microchip was soft-lithographically fabricated using poly(dimethylsiloxane) and glass. Controlling parameters of the electrokinetically-driven flow in the microfluidic network was determined by numerically simulating transport processes. Multiple passively adsorbed antigens captured antibodies present in samples, which then bound with TRITC-labeled detection antibodies to generate fluorescent signals. Antibodies against Escherichia coli O157:H7 and Helicobacter pylori were studied as model analytes. After conditions for antigen-coating were optimized, a 24-minute assay detected E. coli O157:H7 antibody in the concentration range of 0.02–10 μg/mL, and H. pylori antibody in the range of 0.1–50 μg/mL. In testing human serum samples, non-specific binding of serum components was effectively suppressed by using 10% (w/v) bovine serum albumin. An accuracy of 100% was achieved in detecting either E. coli O157:H7 antibody or H. pylori antibody from human serum samples. Simultaneous screening of both antibodies was also successfully demonstrated. The immunoassay chip shows an excellent potential for efficiently detecting multiple pathogenic infections in clinical environments.
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"Extended-spectrum Beta-lactamase mediated resistance in Escherichia coli isolates from patients with Urinary tract infections in Erbil." In Second Scientific Conference on Women's Health. Hawler Medical University, 2021. http://dx.doi.org/10.15218/whc.02.11.

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Badea, Victoria. "COMPARISON BETWEEN E-TEST AND DISC DIFFUSION - IN ANTIBIOTIC SUSCEPTIBILITY ON ESCHERICHIA COLI IN URINARY TRACT INFECTION." In 2nd International Multidisciplinary Scientific Conference on Social Sciences and Arts SGEM2015. Stef92 Technology, 2015. http://dx.doi.org/10.5593/sgemsocial2015/b11/s2.046.

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Reports on the topic "Escherichai coli infections"

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Balfanz, Emma, Erin Sandford, Michael G. Kaiser, and Susan J. Lamont. Differential Immunological Gene Expression after Escherichia coli Infection in Chickens. Ames (Iowa): Iowa State University, January 2011. http://dx.doi.org/10.31274/ans_air-180814-668.

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Monson, Melissa S., Michael G. Kaiser, and Susan J. Lamont. Gene Expression Responses to Infection with Avian Pathogenic Escherichia coli in Chicken Spleen. Ames (Iowa): Iowa State University, January 2018. http://dx.doi.org/10.31274/ans_air-180814-329.

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Sandford, Erin, Megan Orr, Xianyao Li, Huaijun Zhou, timothy J. Johnson, Subhashinie Kariyawasam, Lisa K. Nolan, Peng Liu, and Susan J. Lamont. Gene Expression Differences in White Blood Cells after Escherichia coli Infection in Chickens. Ames (Iowa): Iowa State University, January 2012. http://dx.doi.org/10.31274/ans_air-180814-665.

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Zhou, Yiwu. Early prediction models for Extended-spectrum β-lactamase-producing Escherichia coli infection in emergency department: A protocol for systematic review and meta-analysis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, March 2021. http://dx.doi.org/10.37766/inplasy2021.3.0049.

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