Academic literature on the topic 'Salmonella enteritidis Genetics'

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Journal articles on the topic "Salmonella enteritidis Genetics"

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Wu, Daichao, Da Teng, Xiumin Wang, Changsong Dai, and Jianhua Wang. "Saccharomyces boulardii prevention of the hepatic injury induced by Salmonella Enteritidis infection." Canadian Journal of Microbiology 60, no. 10 (October 2014): 681–86. http://dx.doi.org/10.1139/cjm-2014-0259.

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Salmonella enterica subsp. enterica serovar Enteritidis (Salmonella Enteritidis) is the predominant cause of serovar-associated food-borne outbreaks in many countries and causes significant clinical symptoms of liver injury, enteritis, and diarrheal diseases. Saccharomyces boulardii is used in clinical application for prophylaxis and the treatment of a variety of diseases caused by bacterial infection. We used a mouse model of Salmonella Enteritidis infection, which included pretreatment with S. boulardii, to reveal the protection mechanisms of S. boulardii against Salmonella Enteritidis infec
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Desin, Taseen S., Claudia S. Mickael, Po-King S. Lam, Andrew A. Potter, and Wolfgang Köster. "Protection of epithelial cells from Salmonella enterica serovar Enteritidis invasion by antibodies against the SPI-1 type III secretion system." Canadian Journal of Microbiology 56, no. 6 (June 2010): 522–26. http://dx.doi.org/10.1139/w10-034.

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Salmonella enterica serovar Enteritidis (Salmonella Enteritidis) is one of the major causes of bacterial food-borne illness in humans. During the course of infection, Salmonella Enteritidis uses 2 type III secretion systems (T3SS), one of which is encoded on Salmonella pathogenicity island 1 (SPI-1). SPI-1 plays a major role in the invasion process. In the present study, we evaluated the effect of sera against the SPI-1 T3SS components on invasion in vitro using polarized human intestinal epithelial cells (Caco-2). Antisera to SipD protected Caco-2 cells against entry of wild-type Salmonella E
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Nadin-Davis, S., L. Pope, D. Ogunremi, B. Brooks, and J. Devenish. "A real-time PCR regimen for testing environmental samples for Salmonella enterica subsp. enterica serovars of concern to the poultry industry, with special focus on Salmonella Enteritidis." Canadian Journal of Microbiology 65, no. 2 (February 2019): 162–73. http://dx.doi.org/10.1139/cjm-2018-0417.

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A real-time PCR (qPCR) regimen, using up to six genetic targets, was developed to rapidly detect Salmonella and in particular identify Salmonella Enteritidis. The test regimen was first evaluated using a reference culture collection of Salmonella to confirm the appropriateness of the selected targets, which included up to three genetic markers for discrimination of Salmonella Enteritidis from other Salmonella serovars commonly found in poultry facilities. The qPCR procedure was then compared with culture methods used to detect Salmonella using a collection of enrichment broths previously gener
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Fandiño, Luz Clemencia, and Noel Verjan. "A common Salmonella Enteritidis sequence type from poultry and human gastroenteritis in Ibagué, Colombia." Biomédica 39 (May 1, 2019): 50–62. http://dx.doi.org/10.7705/biomedica.v39i1.4155.

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Introducción. Salmonella Enteritidis es una de las mayores causas de salmonelosis en el mundo, siendo los huevos contaminados y la carne de pollo cruda sus principales fuentes de infección. En Ibagué, Colombia, se identificaron los principales serovares circulando en granjas, superficies de huevos y canales de pollo, sin embargo, se desconoce si esos serovares son responsables de gastroenteritis.
 Objetivo. Evaluar la relación genética entre aislamientos de Salmonella Enteritidis de aves de corral y humanos con gastroenteritis mediante multilocus sequence typing (MLST).
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Elgueta, Estefanía, Javier Mena, and Pedro A. Orihuela. "Hydroethanolic Extracts of Haplopappus baylahuen Remy and Aloysia citriodora Palau Have Bactericide Activity and Inhibit the Ability of Salmonella Enteritidis to Form Biofilm and Adhere to Human Intestinal Cells." BioMed Research International 2021 (January 27, 2021): 1–9. http://dx.doi.org/10.1155/2021/3491831.

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We analysed whether the hydroethanolic extracts from leaves of Haplopappus baylahuen Remy (bailahuen) and Aloysia citriodora Palau (cedron) inhibit the growth and ability of Salmonella Enteritidis to form biofilms and to adhere to human intestinal epithelial cells. Herein, we first determined the total phenolic content and antioxidant and antibacterial activities of the extracts. Then, Salmonella Enteritidis was treated with the extracts to analyse biofilm formation by scanning electronic microscopy and the violet crystal test. We also measured the efflux pump activity of Salmonella Enteritidi
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Zhao, Shaohua, Cong Li, Chih-Hao Hsu, Gregory H. Tyson, Errol Strain, Heather Tate, Thu-Thuy Tran, Jason Abbott, and Patrick F. McDermott. "Comparative Genomic Analysis of 450 Strains of Salmonella enterica Isolated from Diseased Animals." Genes 11, no. 9 (September 1, 2020): 1025. http://dx.doi.org/10.3390/genes11091025.

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Salmonella is a leading cause of bacterial infections in animals and humans. We sequenced a collection of 450 Salmonella strains from diseased animals to better understand the genetic makeup of their virulence and resistance features. The presence of Salmonella pathogenicity islands (SPIs) varied by serotype. S. Enteritidis carried the most SPIs (n = 15), while S. Mbandaka, S. Cerro, S. Meleagridis, and S. Havana carried the least (n = 10). S. Typhimurium, S. Choleraesuis, S. I 4,5,12:i:-, and S. Enteritidis each contained the spv operon on IncFII or IncFII-IncFIB hybrid plasmids. Two S. IIIa
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Wilson, Catherine N., Angeziwa Chunga, Clemens Masesa, Brigitte Denis, Niza Silungwe, Sithembile Bilima, Heather Galloway, Melita Gordon, and Nicholas A. Feasey. "Incidence of invasive non-typhoidal Salmonella in Blantyre, Malawi between January 2011-December 2019." Wellcome Open Research 7 (April 29, 2022): 143. http://dx.doi.org/10.12688/wellcomeopenres.17754.1.

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Background: The Malawi-Liverpool Wellcome Trust Clinical Research Programme (MLW) has undertaken sentinel surveillance of bloodstream infection and meningitis at Queen Elizabeth Central Hospital (QECH), Blantyre, Malawi for 20 years. Previously, three epidemics of Salmonella bloodstream infection have been identified. Here we provide updated surveillance data on invasive non-typhoidal Salmonella disease from 2011 – 2019. Methods: Surveillance data describing trends in invasive non-typhoidal Salmonella disease and associated antimicrobial susceptibility profiles are presented for the period Jan
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Rychlik, Ivan, Renata Karpiskova, Marcela Faldynova, and Frantisek Sisak. "Computer-assisted restriction endonuclease analysis of plasmid DNA in field strains of Salmonella enteritidis." Canadian Journal of Microbiology 44, no. 12 (December 1, 1998): 1183–85. http://dx.doi.org/10.1139/w98-112.

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Computer-assisted restriction endonuclease analysis of plasmid DNA in field strains of Salmonella enterica serovar Enteritidis (S. enteritidis) is described. The procedure consists of plasmid DNA purification, its digestion with restriction endonuclease TaqI, electrophoresis, charge-coupled device camera scanning of the gels, and an analysis of the restriction patterns with the software Gel Manager. The system allowed us to analyse, in detail, results of plasmid profiling in more than 600 field strains of S. enteritidis. In addition to plasmid-free and virulence plasmid only containing strains
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Portrait, V., S. Gendron-Gaillard, G. Cottenceau, and A. M. Pons. "Inhibition of pathogenicSalmonellaenteritidisgrowth mediated byEscherichia colimicrocin J25 producing strains." Canadian Journal of Microbiology 45, no. 12 (December 1, 1999): 988–94. http://dx.doi.org/10.1139/w99-106.

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For the first time, microcin-producing strains showing inhibitory activities against enteropathogen Salmonella enteritidis were isolated from poultry intestinal contents. Among the numerous strains isolated, two strains of Escherichia coli, named J02 and J03, showing the greatest activities against S. enteritidis, were studied. Biochemical tests and purification identified the main antagonist compound produced as microcin J25. In order to evaluate the protective potential of E. coli J02 and J03 against S. enteritidis infection, the ability of these strains to inhibit growth of S. enteritidis w
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Lan, Dan, XinYu Xun, YaoDong Hu, NianZhen Li, ChaoWu Yang, XiaoSong Jiang, and YiPing Liu. "Research on the Effect of Pediococcus pentosaceus on Salmonella enteritidis-Infected Chicken." BioMed Research International 2020 (October 10, 2020): 1–10. http://dx.doi.org/10.1155/2020/6416451.

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Salmonella enteritidis can cause significant morbidity and mortality in humans and economic loss in the animal industry. Improving the innate immunity is an effective method to prevent S. enteritidis infection. Pediococcus pentosaceus is a Gram-positive coccus which had probiotics properties. Numerous previously published studies reported that probiotics were beneficial to gut microbiota by changing the intestinal flora structure and inhibiting the harmful microbial growth to enhance the innate immunity. We investigated the immunological effects of P. pentosaceus on Salmonella-infected chicken
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Dissertations / Theses on the topic "Salmonella enteritidis Genetics"

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Mmolawa, Princess Tlou. "Molecular analysis of temperate phages in Salmonella enterica serovar Typhimurium DT 64 isolated in Australia." Title page, contents and summary only, 2001. http://web4.library.adelaide.edu.au/theses/09PH/09phm6855.pdf.

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Files on accompanying CD-ROM: Appendix III Phages ST64T and ST64B sequences, are in rtf format. Bibliography: leaves 279-324. System requirements for accompanying CD-ROM: IBM or compatible ; Microsoft Word or compatible to read rtf files.
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Botten, James Alfons Desmond. "Role of sefD and sefR in the biogenesis of Salmonella enterica serovar Enteritidis SEF14 fimbriae." Title page, abstract and contents only, 2001. http://web4.library.adelaide.edu.au/theses/09PH/09phb7512.pdf.

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Chevenon, Marie. "Functional validation of the genetic architecture of «Salmonella» persistence in 129S6 mice and the impact of Ses1 (Nramp1) on the transcriptome of «Salmonella» enteritidis during chronic carriage." Thesis, McGill University, 2012. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=110593.

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Salmonella Typhimurium and Salmonella Enteritidis cause a food-borne disease resulting in gastroenteritis. To study the persistence of Salmonella during the late phase of infection, a mouse model was developed using C57BL/6J mice that clear the bacteria completely from the spleen and lymph nodes within 42 days post-infection and 129S6 mice that become chronic carriers. Linkage analyses using a cross between C57BL/6J and 129S6 mice led to the mapping of ten quantitative trait loci, Ses1 to Ses10, affecting Salmonella persistence in mice. In the females, Ses3 showed significant effects on bacter
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Andrigheto, Cristiano. "Disseminação de Salmonella Enteritidis isoladas em uma cadeia produtiva industrial avícola: determinação do perfil de resistência a antimicrobianos e caracterização genotípica." Universidade de São Paulo, 2006. http://www.teses.usp.br/teses/disponiveis/9/9131/tde-25072017-152730/.

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Salmonella é um dos principais agentes de enfermidades transmitidas por alimentos em diversos países, sendo a carne de frango um dos principais veículos envolvidos em surtos. O Brasil vem se destacando como um dos maiores exportadores mundiais deste alimento. O ambiente de criação das aves é apontado como um importante foco de infecção das aves e o ambiente industrial de abate e processamento é importante na disseminação deste ·microrganismo. Na busca pela produção de alimentos seguros do ponto de vista microbiológico, uma das ferramentas utilizadas é a subtipagem de microrganismos isolados ao
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Mmolawa, Princess Tlou. "Molecular analysis of temperate phages in Salmonella enterica serovar Typhimurium DT 64 isolated in Australia / Princess Tlou Mmolawa." Thesis, 2001. http://hdl.handle.net/2440/21765.

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Files on accompanying CD-ROM: Appendix III Phages ST64T and ST64B sequences, are in rtf format.<br>Bibliography: leaves 279-324.<br>System requirements for accompanying CD-ROM: IBM or compatible ; Microsoft Word or compatible to read rtf files.<br>xii, 325, [8] leaves, [116] leaves of plates : ill. (some col.) ; 30 cm. + 1 CD-ROM (4 3/4 in.)<br>Thesis (Ph.D.)--University of Adelaide, Dept. of Molecular Biosciences, 2002?
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Book chapters on the topic "Salmonella enteritidis Genetics"

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Benjamin, W. H., W. E. Briles, W. D. Waltman, and D. E. Briles. "EFFECT OF GENETICS AND PRIOR SALMONELLA ENTERITIDIS INFECTION ON THE ABILITY OF CHICKENS TO BE INFECTED WITH S. ENTERITIDIS." In Colonization Control of Human Bacterial Enteropathologens in Poultry, 365–69. Elsevier, 1991. http://dx.doi.org/10.1016/b978-0-12-104280-6.50044-7.

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Ogunremi, Dele, Ruimin Gao, Rosemarie Slowey, Shu Chen, Olga Andrievskaia, Sadjia Bekal, Lawrence Goodridge, and Roger C. Levesque. "Tracking Salmonella Enteritidis in the Genomics Era: Clade Definition Using a SNP-PCR Assay and Implications for Population Structure." In Salmonella spp. - A Global Challenge. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.98309.

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Salmonella enterica serovar Enteritidis (or Salmonella Enteritidis, SE) is one of the oldest members of the genus Salmonella, based on the date of first description and has only gained prominence as a significant bacterial contaminant of food over the last three or four decades. Currently, SE is the most common Salmonella serovar causing foodborne illnesses. Control measures to alleviate human infections require that food isolates be characterized and this was until recently carried out using Pulsed-Field Gel Electrophoresis (PFGE) and phage typing as the main laboratory subtyping tools for use in demonstrating relatedness of isolates recovered from infected humans and the food source. The results provided by these analytical tools were presented with easy-to-understand and comprehensible nomenclature, however, the techniques were inherently poorly discriminatory, which is attributable to the clonality of SE. The tools have now given way to whole genome sequencing which provides a full and comprehensive genetic attributes of an organism and a very attractive and superior tool for defining an isolate and for inferring genetic relatedness among isolates. A comparative phylogenomic analysis of isolates of choice provides both a visual appreciation of relatedness as well as quantifiable estimates of genetic distance. Despite the considerable information provided by whole genome analysis and development of a phylogenetic tree, the approach does not lend itself to generating a useful nomenclature-based description of SE subtypes. To this end, a highly discriminatory, cost-effective, high throughput, validated single nucleotide based genotypic polymerase chain reaction assay (SNP-PCR) was developed focussing on 60 polymorphic loci. The procedure was used to identify 25 circulating clades of SE, the largest number so far described for this organism. The new subtyping test, which exploited whole genome sequencing data, displays the attributes of an ideal subtyping test: high discrimination, low cost, rapid, highly reproducible and epidemiological concordance. The procedure is useful for identifying the subtype designation of an isolate, for defining the population structure of the organism as well as for surveillance and outbreak detection.
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Shah, Devendra H., Jacob R. Elder, Kim L. Chiok, and Narayan C. Paul. "Genetic Basis of Salmonella Enteritidis Pathogenesis in Chickens." In Producing Safe Eggs, 187–208. Elsevier, 2017. http://dx.doi.org/10.1016/b978-0-12-802582-6.00010-0.

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Reports on the topic "Salmonella enteritidis Genetics"

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Cahaner, Avigdor, Susan J. Lamont, E. Dan Heller, and Jossi Hillel. Molecular Genetic Dissection of Complex Immunocompetence Traits in Broilers. United States Department of Agriculture, August 2003. http://dx.doi.org/10.32747/2003.7586461.bard.

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Objectives: (1) Evaluate Immunocompetence-OTL-containing Chromosomal Regions (ICRs), marked by microsatellites or candidate genes, for magnitude of direct effect and for contribution to relationships among multiple immunocompetence, disease-resistance, and growth traits, in order to estimate epistatic and pleiotropic effects and to predict the potential breeding applications of such markers. (2) Evaluate the interaction of the ICRs with genetic backgrounds from multiple sources and of multiple levels of genetic variation, in order to predict the general applicability of molecular genetic marke
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Mateva, Gergana, Karl Pedersen, Gitte Sorensen, Mia Torpdahl, and Hristo Daskalov. Genetic Polymorphism and Antimicrobial Resistance of Salmonella Enterica Serovar Enteritidis Isolates from Food Chain Sources. "Prof. Marin Drinov" Publishing House of Bulgarian Academy of Sciences, July 2021. http://dx.doi.org/10.7546/crabs.2021.07.04.

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Redmond, Sarah Beth, and Susan J. Lamont. Genetic Differences in Chicken Heterophil mRNA Expression in Response to In-Vitro Stimulation with Salmonella enteritidis. Ames (Iowa): Iowa State University, January 2009. http://dx.doi.org/10.31274/ans_air-180814-755.

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Lamont, Susan J., Michael G. Kaiser, and Jennifer H. Cheeseman. Genetic Line Differences in Cytokine mRNA Expression of Peripheral Blood Leukocytes Exposed to Salmonella enteritidis In-Vitro. Ames (Iowa): Iowa State University, January 2005. http://dx.doi.org/10.31274/ans_air-180814-1064.

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Willis, C., F. Jorgensen, S. A. Cawthraw, H. Aird, S. Lai, M. Chattaway, I. Lock, E. Quill, and G. Raykova. A survey of Salmonella, Escherichia coli (E. coli) and antimicrobial resistance in frozen, part-cooked, breaded or battered poultry products on retail sale in the United Kingdom. Food Standards Agency, May 2022. http://dx.doi.org/10.46756/sci.fsa.xvu389.

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Frozen, breaded, ready-to-cook chicken products have been implicated in outbreaks of salmonellosis. Some of these outbreaks can be large. For example, one outbreak of Salmonella Enteritidis involved 193 people in nine countries between 2018 and 2020, of which 122 cases were in the UK. These ready-to-cook products have a browned, cooked external appearance, which may be perceived as ready-to-eat, leading to mishandling or undercooking by consumers. Continuing concerns about these products led FSA to initiate a short-term (four month), cross-sectional surveillance study undertaken in 2021 to det
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