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Salmonella kentucky

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https://www.readbyqxmd.com/read/29195496/-does-the-salmonella-genomic-island-1-sgi1-confer-invasiveness-properties-to-human-isolates
#1
Claire de Curraize, Lucie Amoureux, Julien Bador, Angélique Chapuis, Eliane Siebor, Claire Clément, Juliette Sauge, Ludwig-Serge Aho-Glélé, Catherine Neuwirth
BACKGROUND: In the eighties, a multidrug resistant clone of Salmonella Typhimurium DT104 emerged in UK and disseminated worldwide. This clone harbored a Salmonella genomic island 1 (SGI1) that consists of a backbone and a multidrug resistant region encoding for penta-resistance (ampicillin, chloramphenicol/florfenicol, streptomycin/spectinomycin, sulphonamides and tetracycline (ACSSuT)). Several authors suggested that SGI1 might have a potential role in enhancement of virulence properties of Salmonella enterica...
December 1, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29193894/phenotypic-and-genotypic-comparison-of-salmonellae-from-diarrhoeic-and-healthy-humans-and-cattle-nigeria
#2
K Fashae, P Leekitcharoenphon, R S Hendriksen
The sources and modes of transmission of non-typhoidal Salmonella particularly zoonotic transmission are poorly understood in Africa. This study compared phenotypic and genotypic characteristics of Salmonellae isolated from cattle and humans. Faecal samples of diarrhoeic patients (n = 234), and a healthy population (n = 160), beef cattle at slaughter (n = 250), farms (n = 72) and market (n = 100) were cultured for salmonellae and serotyping and antimicrobial susceptibility were determined. Whole-genome sequence typing (WGST) of selected isolates and bioinformatic analysis were used to identify the multilocus sequence type (MLST), plasmid replicons, antimicrobial resistance genes and genetic relatedness by single nucleotide polymorphism (SNP) analysis...
November 28, 2017: Zoonoses and Public Health
https://www.readbyqxmd.com/read/29156244/isolation-and-characterization-of-polyvalent-bacteriophages-infecting-multi-drug-resistant-salmonella-serovars-isolated-from-broilers-in-egypt
#3
Mayada Mahmoud, Ahmed Askora, Ahmed Barakat Barakat, Omar El-Farouk Rabie, Sayed Emam Hassan
In this study, we isolated and characterized three phages named as Salmacey1, Salmacey2 and Salmacey3, infecting multi drug resistant Salmonella serovars isolated from broilers in Egypt. The most prevalent Salmonella serovars were S. typhimurium, S. enteritidis, and S. kentucky. All these Salmonella serovars were found to be resistant to more than two of the ten antimicrobial agents tested. Only S. kentucky was found to be resistant to seven antimicrobial agents. Examination of these phage particles by transmission electron microscopy (TEM), demonstrated that two phages (Salmacey1, Salmacey2) were found to belong to family Siphoviridae, and Salmacey3 was assigned to the family Myoviridae...
November 14, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/29130766/molecular-characterization-of-salmonella-from-beef-carcasses-and-fecal-samples-from-an-integrated-feedlot-and-abattoir-in-mexico
#4
Diana Ayala, Kendra Nightingale, Claudia Narvaez-Bravo, Mindy M Brashears
Nontyphoid Salmonella strains are some of the leading causes of foodborne illnesses worldwide; however, there is very limited information on the presence and characteristics of Salmonella in the food production chain in developing countries. In this study, pulsed-field gel electrophoresis (PFGE) was used for molecular subtyping and for monitoring the ecology and transmission of Salmonella isolates in a slaughter facility in Mexico in an attempt to determine specific steps that need to be improved to reduce Salmonella contamination in beef carcasses...
December 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/29080850/assessment-of-novel-tobacco-heating-product-thp1-0-part-7-comparative-in-vitro-toxicological-evaluation
#5
David Thorne, Damien Breheny, Christopher Proctor, Marianna Gaca
In vitro studies have been widely used to support the toxicological evaluation of chemicals and complex mixtures including cigarette smoke. In this study, the total particulate matter and whole aerosol from a Kentucky reference 3R4F cigarette and two commercially available tobacco heating products (THPs) were assessed using in vitro mutagenicity, cytotoxicity and tumour-promoting activity assays. The Ames assay assessed mutagenicity using Salmonella typhimurium tester strains TA98, TA100, TA1535, TA1537 and TA102 ± metabolic activation (S9)...
September 5, 2017: Regulatory Toxicology and Pharmacology: RTP
https://www.readbyqxmd.com/read/29075329/occurrence-of-salmonella-enterica-and-escherichia-coli-in-raw-chicken-and-beef-meat-in-northern-egypt-and-dissemination-of-their-antibiotic-resistance-markers
#6
Amira A Moawad, Helmut Hotzel, Omnia Awad, Herbert Tomaso, Heinrich Neubauer, Hafez M Hafez, Hosny El-Adawy
BACKGROUND: The global incidence of foodborne infections and antibiotic resistance is recently increased and considered of public health concern. Currently, scarcely information is available on foodborne infections and ESBL associated with poultry and beef meat in Egypt. METHODS: In total, 180 chicken and beef meat samples as well as internal organs were collected from different districts in northern Egypt. The samples were investigated for the prevalence and antibiotic resistance of Salmonella enterica serovars and Escherichia coli...
2017: Gut Pathogens
https://www.readbyqxmd.com/read/29067200/the-risk-of-carriage-of-salmonella-spp-and-listeria-monocytogenes-in-food-animals-in-dynamic-populations
#7
Korana Stipetic, Yu-Chen Chang, Kenlyn Peters, Ahmed Salem, Sanjay H Doiphode, Patrick L McDonough, Yung Fu Chang, Ali Sultan, Hussni O Mohammed
Salmonella spp. and Listeria monocytogenes are foodborne pathogens of global importance. We assessed their risks and associated factors in a highly dynamic population of animals. Animal and environmental samples were collected from dairy cattle, sheep, camel and chickens at either the farms or the abattoirs. The pathogens were detected using a combination of bacterial enrichment culture and real-time polymerase chain reaction (PCR). Data on putative risk factors were collect and analysed for their significance of association with these pathogens...
November 2016: Veterinary Medicine and Science
https://www.readbyqxmd.com/read/29058479/simultaneous-detection-of-multiple-salmonella-serovars-from-milk-and-chicken-meat-by-real-time-pcr-using-unique-genomic-target-regions
#8
Sayma Afroj, Khaled Aldahami, Gopal Reddy, Jean Guard, Abiodun Adesiyun, Temesgen Samuel, Woubit Abdela
A novel genomic and plasmid target-based PCR platform was developed for the detection of Salmonella serovars Heidelberg, Dublin, Hadar, Kentucky, and Enteritidis. Unique genome loci were obtained through extensive genome mining of protein databases and comparative genomic analysis of these serovars. Assays targeting Salmonella serovars Hadar, Heidelberg, Kentucky, and Dublin had 100% specificity and sensitivity, whereas those for Salmonella Enteritidis had 97% specificity and 88% sensitivity. The limits of detection for Salmonella serovars Heidelberg, Kentucky, Hadar, Enteritidis, and Dublin were 12, 9, 40, 13, and 5,280 CFU, respectively...
October 23, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/29051251/genome-sequences-of-salmonella-enterica-subsp-enterica-serovar-kentucky-sequence-type-152-isolated-from-dairy-cows-in-the-united-states
#9
Bradd J Haley, Yan Luo, Charles Wang, Eric Brown, Marc Allard, Jeffrey S Karns, Jo Ann S Van Kessel
Salmonella enterica subsp. enterica serovar Kentucky (S. Kentucky) is frequently isolated from dairy cows in the United States, but is an infrequent cause of human salmonellosis. To investigate the genomic features of S Kentucky strains isolated from a single dairy farm, the genomes of eight isolates were sequenced and added to the public domain.
October 19, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28927474/first-detection-and-characterization-of-salmonella-spp-in-poultry-and-swine-raised-in-backyard-production-systems-in-central-chile
#10
R Alegria-Moran, D Rivera, V Toledo, A I Moreno-Switt, C Hamilton-West
Little is known about Salmonella serovars circulating in backyard poultry and swine populations worldwide. Backyard production systems (BPS) that raise swine and/or poultry are distributed across Chile, but are more heavily concentrated in central Chile, where industrialized systems are in close contact with BPS. This study aims to detect and identify circulating Salmonella serovars in poultry and swine raised in BPS. Bacteriological Salmonella isolation was carried out for 1744 samples collected from 329 BPS in central Chile...
September 20, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28800246/risk-of-salmonellosis-from-chicken-parts-prepared-from-whole-chickens-sold-in-flow-pack-wrappers-and-subjected-to-temperature-abuse
#11
T P Oscar
The flow pack wrapper is a popular packaging choice for retail sale of whole chickens. However, it may provide a favorable environment for growth and spread of Salmonella within the package, leading to an outbreak of salmonellosis. To investigate this possibility, a process risk model was developed that predicted the risk of salmonellosis from chicken parts prepared from whole chickens sold in flow pack wrappers and subjected to proper storage (6 h at 4°C) or improper storage (72 h at 15°C) before preparation...
September 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28558253/sugar-sulfates-are-not-hydrolyzed-by-the-acid-inducible-sulfatase-asla-from-salmonella-enterica-enteritidis-nal-r-and-kentucky-3795-at-ph-5-5
#12
Arpeeta Ganguly, Rolf D Joerger
The open reading frames SEN0085 and SeKA_A4361, from Salmonella enterica serovar Enteritidis Nal(R) and serovar Kentucky 3795, respectively, corresponding to the acid-inducible sulfatase gene aslA from Salmonella enterica serovar Typhimurium, were previously suggested by microarray analysis to be differentially expressed under acid conditions. However, growth and enzyme activity tests in the present study demonstrated that both wild-type strains exhibited sulfatase activity with 4-nitrophenyl sulfate and 5-bromo-4-chloro-3 indolyl sulfate at pH 5...
May 30, 2017: Canadian Journal of Microbiology
https://www.readbyqxmd.com/read/28526020/salmonella-serotypes-and-their-antimicrobial-susceptibility-in-apparently-healthy-dogs-in-addis-ababa-ethiopia
#13
Bitsu Kiflu, Haile Alemayehu, Mukarim Abdurahaman, Yohannes Negash, Tadesse Eguale
BACKGROUND: The close bond between pet animals and family members poses risk of infection with zoonotic bacterial pathogens such as Salmonella. No data is available on occurrence of Salmonella in dogs in Ethiopia. The aim of this study was therefore to determine the prevalence, serotype distribution and antimicrobial resistance of Salmonella from feces of apparently healthy dogs in Addis Ababa, Ethiopia. RESULTS: Of the total 360 dogs examined, 42 (11.7%; 95% Confidence limit of 8...
May 19, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28506272/prevalence-and-clonal-relationship-of-esbl-producing-salmonella-strains-from-humans-and-poultry-in-northeastern-algeria
#14
Samia Djeffal, Sofiane Bakour, Bakir Mamache, Rachid Elgroud, Amir Agabou, Selma Chabou, Sana Hireche, Omar Bouaziz, Kheira Rahal, Jean-Marc Rolain
BACKGROUND: The aims of this study were to investigate Salmonella contamination in broiler chicken farms and slaughterhouses, to assess the antibiotic resistance profile in avian and human Salmonella isolates, and to evaluate the relationship between avian and human Extended Spectrum β-Lactamase (ESBL)-producing isolates. Salmonella was screened in different sample matrices collected at thirty-two chicken farms and five slaughterhouses. The human isolates were recovered from clinical specimens at the University Teaching Hospital of Constantine (UTH)...
May 15, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28488474/prevalence-of-salmonella-spp-in-environmental-samples-from-table-egg-barns-in-alberta
#15
Joan A St Amand, Rashed Cassis, Robin K King, Colleen B Annett Christianson
Some Salmonella spp. are zoonotic, a frequent cause of foodborne illness in Canada, and known to infect humans through contaminated poultry and poultry products. Certain serotypes of Salmonella spp. have been demonstrated to be vertically transmitted from hen to egg. The incidence of Salmonella spp. isolation in the flock has been correlated to its isolation from the environment. Twenty-one producers were enrolled in this study to examine the occurrence of Salmonella spp. in 48 table egg layer flocks housed in 35 barns in Alberta...
July 17, 2017: Avian Pathology: Journal of the W.V.P.A
https://www.readbyqxmd.com/read/28481935/genotypic-and-phenotypic-characterization-of-multidrug-resistant-salmonella-typhimurium-and-salmonella-kentucky-strains-recovered-from-chicken-carcasses
#16
Rizwana Tasmin, Nur A Hasan, Christopher J Grim, Ar'Quette Grant, Seon Young Choi, M Samiul Alam, Rebecca Bell, Christopher Cavanaugh, Kannan V Balan, Uma S Babu, Salina Parveen
Salmonella Typhimurium is the leading cause of human non-typhoidal gastroenteritis in the US. S. Kentucky is one the most commonly recovered serovars from commercially processed poultry carcasses. This study compared the genotypic and phenotypic properties of two Salmonella enterica strains Typhimurium (ST221_31B) and Kentucky (SK222_32B) recovered from commercially processed chicken carcasses using whole genome sequencing, phenotype characterizations and an intracellular killing assay. Illumina MiSeq platform was used for sequencing of two Salmonella genomes...
2017: PloS One
https://www.readbyqxmd.com/read/28463083/prevalence-and-antimicrobial-resistance-of-salmonella-isolates-from-chicken-carcasses-in-retail-markets-in-yangon-myanmar
#17
Aung Zaw Moe, Peter Paulsen, Duangporn Pichpol, Reinhard Fries, Herlinde Irsigler, Maximilian P O Baumann, Kyaw Naing Oo
A cross-sectional investigation was conducted concerning prevalence, antimicrobial resistance, multidrug resistance patterns, and serovar diversity of Salmonella in chicken meat sold at retail in Yangon, Myanmar. The 141 chicken meat samples were collected at 141 retail markets in the Yangon Region, Myanmar, 1 November 2014 to 31 March 2015. Information on hygienic practices (potential risk factors) was retrieved via checklists. Salmonella was isolated and identified according to International Organization for Standardization methods (ISO 6579:2002) with minor modifications...
June 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28459231/salmonella-kentucky-antimicrobial-resistance-and-molecular-analysis-of-clinical-animal-and-environment-isolates-morocco
#18
Bouchra Karraouan, Nadia Ziyate, Abdelaziz Ed-Dra, Nadia Amajoud, Rachid Boutaib, Abdellah Akil, Abdellah El Allaoui, Hicham El Ossmani, Khalid Zerouali, Naima Elmdaghri, Brahim Bouchrif
No abstract text is available yet for this article.
April 30, 2017: Journal of Infection in Developing Countries
https://www.readbyqxmd.com/read/28381209/supplemental-invasion-of-salmonella-from-the-perspective-of-salmonella-enterica-serovars-kentucky-and-typhimurium
#19
Kevin Howe, Sanaz Salehi, R Hartford Bailey, John P Brooks, Robert Wills, Mark L Lawrence, Attila Karsi
BACKGROUND: Critical to the development of Salmonellosis in humans is the interaction of the bacterium with the epithelial lining of the gastrointestinal tract. Traditional scientific reasoning held type III secretion system (T3SS) as the virulence factor responsible for bacterial invasion. In this study, field-isolated Salmonella enterica serovar Kentucky and a known human pathogen Salmonella enterica serovar Typhimurium were mutated and evaluated for the invasion of human colorectal adenocarcinoma epithelial cells...
April 5, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28340000/effects-of-feeding-original-xpc%C3%A2-to-broilers-with-a-live-coccidiosis-vaccine-under-industry-conditions-part-1-growth-performance-and-salmonella-inhibition
#20
S M Roto, S H Park, S I Lee, P Kaldhone, H O Pavlidis, S B Frankenbach, D R McIntyre, K Striplin, L Brammer, S C Ricke
Supplementation of poultry diets with Diamond V Original XPC™ (XPC) has been proposed as a means to ameliorate the commonly observed loss of appetite and depression of growth in birds given a live coccidiosis vaccine. A study was conducted to compare the effects on bird performance of a live coccidiosis vaccine in broilers, with and without the dietary inclusion of XPC (1.25 g/kg). Ross 708 male broilers (n = 1,280) were allocated to one of 4 feed treatments: cocci-vaccine (T1), cocci-vaccine + XPC (T2), cocci-vaccine + salinomycin in the grower diet only, (T3), and cocci-vaccine + salinomycin in the grower diet + XPC (T4)...
June 1, 2017: Poultry Science
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