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https://www.readbyqxmd.com/read/28934165/salmonella-o48-serum-resistance-is-connected-with-the-elongation-of-the-lipopolysaccharide-o-antigen-containing-sialic-acid
#1
Aleksandra Pawlak, Jacek Rybka, Bartłomiej Dudek, Eva Krzyżewska, Wojciech Rybka, Anna Kędziora, Elżbieta Klausa, Gabriela Bugla-Płoskońska
Complement is one of the most important parts of the innate immune system. Some bacteria can gain resistance against the bactericidal action of complement by decorating their outer cell surface with lipopolysaccharides (LPSs) containing a very long O-antigen or with specific outer membrane proteins. Additionally, the presence of sialic acid in the LPS molecules can provide a level of protection for bacteria, likening them to human cells, a phenomenon known as molecular mimicry. Salmonella O48, which contains sialic acid in the O-antigen, is the major cause of reptile-associated salmonellosis, a worldwide public health problem...
September 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28929911/understanding-the-effects-of-intermittent-shedding-on-the-transmission-of-infectious-diseases-example-of-salmonellosis-in-pigs
#2
Glenn E Lahodny, Raju Gautam, Renata Ivanek
A number of environmentally transmitted infectious diseases are characterized by intermittent infectiousness of infected hosts. However, it is unclear whether intermittent infectiousness must be explicitly accounted for in mathematical models for these diseases or if a simplified modelling approach is acceptable. To address this question we study the transmission of salmonellosis between penned pigs in a grower-finisher facility. The model considers indirect transmission, growth of free-living Salmonella within the environment, and environmental decontamination...
December 2017: Journal of Biological Dynamics
https://www.readbyqxmd.com/read/28919672/preparation-and-evaluation-of-salmonella-enteritidis-antigen-conjugated-with-nanogold-for-screening-of-poultry-flocks
#3
Hazem Mohammed Ibrahim, Rafik Hamed Sayed, Wafaa Ragab Abdel-Aziz, Rafik Tawfik Soliman
AIM: The present work aimed to develop lateral flow immunochromatographic strip (ICS) test for detection of Salmonella Enteritidis (SE) specific antibodies in chicken sera. MATERIALS AND METHODS: A rapid lateral flow immunochromatographic test (LFIT) has been developed, in which SE Group D antigen labeled with the gold chloride molecules laid on the conjugate pad. Staphylococcus aureus protein A was used as capture antibody at the test line (T) of a nitrocellulose (NC) membrane and anti-SE antigen-specific rabbit antibodies were used as capture antibody at the control line (C) of the NC strip in the lateral flow layout device...
August 2017: Veterinary World
https://www.readbyqxmd.com/read/28919170/importation-of-infectious-diseases-are-increasing-in-south-korea-association-with-international-travels
#4
Young-June Choe, Seung-Ah Choe, Sung-Il Cho
BACKGROUND: International travel has an important role in transmission of emerging infectious diseases. We described the imported infectious diseases in Korea from 2003 to 2012, and to analyze association of travels with the change in the incidences. METHODS: We used National Notifiable Disease Surveillance System to investigate the incidence of salmonellosis, shigellosis, malaria, and dengue. Data from Korea Tourism Organization was used to describe the inbound and outbound travelers by their age group, gender, and purpose of travel...
September 15, 2017: Travel Medicine and Infectious Disease
https://www.readbyqxmd.com/read/28915819/bacteriophage-therapy-to-combat-bacterial-infections-in-poultry
#5
REVIEW
Andrzej Wernicki, Anna Nowaczek, Renata Urban-Chmiel
Infections in poultry are an economic and health problem in Europe and worldwide. The most common infections are associated with salmonellosis, colibacillosis, campylobacteriosis, and others. The prevalence of Campylobacter-positive poultry flocks in European countries varies from 18% to 90%. In the United States, the prevalence of infected flocks is nearly 90%. A similar percentage of infection has been noted for salmonellosis (about 75-90%) and E. coli (90-95%). The occurence of Clostridium perfringens is a major problem for the poultry industry, with some estimates suggesting colonization of as many as 95% of chickens, resulting in clinical or subclinical infections...
September 16, 2017: Virology Journal
https://www.readbyqxmd.com/read/28910293/attribution-of-global-foodborne-disease-to-specific-foods-findings-from-a-world-health-organization-structured-expert-elicitation
#6
Sandra Hoffmann, Brecht Devleesschauwer, Willy Aspinall, Roger Cooke, Tim Corrigan, Arie Havelaar, Frederick Angulo, Herman Gibb, Martyn Kirk, Robin Lake, Niko Speybroeck, Paul Torgerson, Tine Hald
BACKGROUND: Recently the World Health Organization, Foodborne Disease Burden Epidemiology Reference Group (FERG) estimated that 31 foodborne diseases (FBDs) resulted in over 600 million illnesses and 420,000 deaths worldwide in 2010. Knowing the relative role importance of different foods as exposure routes for key hazards is critical to preventing illness. This study reports the findings of a structured expert elicitation providing globally comparable food source attribution estimates for 11 major FBDs in each of 14 world subregions...
2017: PloS One
https://www.readbyqxmd.com/read/28910140/impact-of-clinical-salmonellosis-in-veal-calves-on-the-recovery-of-salmonella-in-lymph-nodes-at-harvest
#7
Lohendy Muñoz-Vargas, Sarah K Finney, Holden Hutchinson, Margaret A Masterson, Greg Habing
The objective of this study was to determine the prevalence, serotypes, antimicrobial resistance phenotypes, and pulsed-field gel electrophoresis (PFGE) patterns of Salmonella recovered in feces and mesenteric and prefemoral lymph nodes (LNs) from cohorts of calves with and without a confirmed outbreak of salmonellosis. In a prospective cohort study, 160 calves from four farms without a reported outbreak (nonoutbreak farms) were sampled at farm and harvest. In addition, harvest samples from 80 calves of two farms with a confirmed outbreak (outbreak farms) were collected...
September 14, 2017: Foodborne Pathogens and Disease
https://www.readbyqxmd.com/read/28903879/salmonella-enterica-subsp-diarizonae-serotype-61-k-1-5-7-associated-with-chronic-proliferative-rhinitis-and-high-nasal-colonization-rates-in-a-flock-of-texel-sheep-in-switzerland
#8
Nadine Stokar-Regenscheit, Gudrun Overesch, Regula Giezendanner, Simone Roos, Corinne Gurtner
Salmonella (S.) enterica subspecies diarizonae (IIIb) serovar 61:(k):1,5,(7) (S. IIIb 61:(k):1,5,(7)) is considered to be host adapted to sheep and is found regularly in feces of healthy carriers and of sheep with salmonellosis. A few cases of chronic proliferative rhinitis (CPR) in sheep have been described as a new disease in association with S. IIIb 61:k:1,5,(7) in the USA, in Spain and now for the first time in Switzerland. Three animals of a flock of Texel sheep suffering from chronic nasal discharge and dyspnea with subsequent death were necropsied...
September 15, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/28903617/review-of-egg-related-salmonellosis-and-reduction-strategies-in-united-states-australia-united-kingdom-and-new-zealand
#9
Kapil Chousalkar, Richard Gast, Francesca Martelli, Vivek Pande
Globally, Salmonella enterica subsp. enterica is one of the most commonly reported causes of foodborne illness in humans. Contaminated food products of animal origin, particularly egg and egg products are frequently implicated in outbreaks of human salmonellosis. Salmonella enteritidis is frequently involved in egg and egg products-associated foodborne outbreaks in the USA and UK. However, in Australia and New Zealand, human infections caused by this serovar occur as a result of infection acquired while overseas travel, with Salmonella typhimurium being a predominant cause of local foodborne outbreaks...
September 14, 2017: Critical Reviews in Microbiology
https://www.readbyqxmd.com/read/28903170/-salmonellosis-in-an-infant-as-a-result-of-indirect-contact-with-reptiles
#10
Zuzana Tomaštíková, Martina Mrázková, Marie Kaňáková, Renáta Karpíšková
Reported is a case of enteritis caused by Salmonella Oranienburg in an approximately one-month-old infant due to indirect contact with reptiles. An epidemiological investigation included tests of faeces of bearded dragons (Pogona vitticeps) kept in the patient's household that revealed Salmonella Oranienburg. The comparison of Salmonella isolates obtained from the infant's stools and the reptiles' faeces using macrorestriction analysis showed 100% similarity, confirming that the reptiles were the source of the infection...
June 2017: Klinická Mikrobiologie a Infekc̆ní Lékar̆ství
https://www.readbyqxmd.com/read/28893751/non-typhoidal-salmonella-in-calabria-italy-a-laboratory-and-patient-based-survey
#11
Valentina Mascaro, Claudia Pileggi, Maria Crinò, Yolande Therese Rose Proroga, Maria Rosaria Carullo, Caterina Graziani, Fabio Arigoni, Pasquale Turno, Maria Pavia
INTRODUCTION: Although there has been a decrease in the number of cases of salmonellosis in the European Union, it still represents the primary cause of foodborne outbreaks. In Calabria region, data are lacking for the incidence of human non-typhoid salmonellosis as active surveillance has never been carried out. OBJECTIVE: To report the results of a laboratory and patient-based morbidity survey in Calabria to describe the incidence and distribution of Salmonella serovars isolated from humans, with a focus on antimicrobial resistance patterns...
September 11, 2017: BMJ Open
https://www.readbyqxmd.com/read/28884670/basic-processes-in-salmonella-host-interactions-within-host-evolution-and-the-transmission-of-the-virulent-genotype
#12
Médéric Diard, Wolf-Dietrich Hardt
Transmission and virulence are central aspects of pathogen evolution. However, in many cases their interconnection has proven difficult to assess by experimentation. Here we discuss recent advances from a mouse model for Salmonella diarrhea. Mouse models mimic the enhanced susceptibility of antibiotic-treated individuals to nontyphoidal salmonellosis. In streptomycin-pretreated mice, Salmonella enterica subspecies 1 serovar Typhimurium efficiently colonizes the gut lumen and elicits pronounced enteropathy. In the host's gut, S...
September 2017: Microbiology Spectrum
https://www.readbyqxmd.com/read/28865061/severe-enteropathy-and-hypogammaglobulinemia-complicating-refractory-mycobacterium-tuberculosis-complex-disseminated-disease-in-a-child-with-il-12r%C3%AE-1-deficiency
#13
Andrés Augusto Arias, Carlos M Perez-Velez, Julio César Orrego, Marcela Moncada-Velez, Jessica Lineth Rojas, Alejandra Wilches, Andrea Restrepo, Mónica Trujillo, Carlos Garcés, Catalina Arango-Ferreira, Natalia González, Carmen Oleaga-Quintas, Diana Fernández, Johana Marcela Isaza-Correa, Diego Eduardo Gongóra, Daniel Gonzalez-Loaiza, Juan Esteban Sierra, Jean Laurent Casanova, Jacinta Bustamante, José Luis Franco
PURPOSE: Mendelian susceptibility to mycobacterial disease is a rare clinical condition characterized by a predisposition to infectious diseases caused by poorly virulent mycobacteria. Other infections such as salmonellosis and candidiasis are also reported. The purpose of this article is to describe a young boy affected with various infectious diseases caused by Mycobacterium tuberculosis complex, Salmonella sp, Klebsiella pneumonie, Citrobacter sp., and Candida sp, complicated with severe enteropathy and transient hypogammaglobulinemia...
September 1, 2017: Journal of Clinical Immunology
https://www.readbyqxmd.com/read/28864509/small-animal-disease-surveillance-gi-disease-and-salmonellosis
#14
Elena Arsevska, David Singleton, Fernando Sánchez-Vizcaíno, Nicola Williams, Philip H Jones, Steven Smyth, Bethaney Heayns, Maya Wardeh, Alan D Radford, Susan Dawson, Peter J M Noble, Robert H Davies
Presentation for gastrointestinal (GI) disease comprised 2.2 per cent of cat, 3.2 per cent of dog and 2.2 per cent of rabbit consultations between April 1, 2016 and March 31, 2017Diarrhoea and vomiting without blood were the most frequently reported GI disease clinical signs (34.4 and 38.9 per cent in cats and 42.8 and 37.3 per cent in dogs, respectively)The mean percentage of samples testing positive for Salmonella in dogs was double that in cats (0.82 per cent and 0.41 per cent, respectively) from January 1, 2011 to December 31, 2016In dogs, autumn was associated with a greater proportion of Salmonella-positive sample submissions; no clear suggestion of seasonal variation in cats was observedIn both cats and dogs, isolates belonging to Salmonella enterica group B serotypes were the most common (68...
September 2, 2017: Veterinary Record
https://www.readbyqxmd.com/read/28860493/cxcr3-plays-a-critical-role-for-host-protection-against-salmonellosis
#15
Belal Chami, Amanda Yeung, Michael Buckland, Hongjun Liu, Genevieve M Fong, Kun Tao, Shisan Bao
CXCR3 and its ligands are heavily associated with inflammation and have been implicated in numerous inflammatory diseases. CXCR3 plays an important role in recruiting pro-inflammatory cells, specifically neutrophils, in a model of sterile colitis whereby CXCR3(-/-) mice showed an attenuated course of colitis with markedly reduced host-tissue damage in the inflamed caecum. The role of CXCR3 during infectious colitis, however, is unclear and therefore in this study, we investigated the role of CXCR3 in the regulation of the immune response during acute and chronic gastrointestinal infection, using a murine model of Salmonella enterica serovar Enteritidis...
August 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28829352/a-review-of-salmonella-and-squamates-lizards-snakes-and-amphisbians-implications-for-public-health
#16
REVIEW
Harriet Whiley, Michael G Gardner, Kirstin Ross
Globally, there has been an increase in squamates (particularly lizards and snakes) being kept as pets. Additionally, urban spread has resulted in greater human encroachment and interaction with the natural habitat of wild squamates. A potential consequence of increasing human interaction with squamates is the increased potential for disease transfer. This review collates the literature describing clinical salmonellosis cases that were definitively linked to a squamate through testing of the animal and population-based studies which investigate the risk of salmonellosis linked to pet squamates...
August 22, 2017: Pathogens
https://www.readbyqxmd.com/read/28817554/occupational-distribution-of-campylobacteriosis-and-salmonellosis-cases-maryland-ohio-and-virginia-2014
#17
Chia-Ping Su, Marie A de Perio, Kathleen Fagan, Meghan L Smith, Ellen Salehi, Seth Levine, Karen Gruszynski, Sara E Luckhaupt
Campylobacter and Salmonella are leading causes of bacterial gastroenteritis in the United States and are estimated to cause >1 million episodes of domestically acquired illness annually (1). Campylobacter and Salmonella are primarily transmitted through contaminated food, but animal-to-human and human-to-human transmission can also occur (2,3). Although occupationally acquired infections have been reported, occupational risk factors have rarely been studied. In 2015, the Occupational Safety and Health Administration (OSHA) identified 63 suspected or confirmed cases of Campylobacter infection over 3...
August 18, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28813761/epidemiologic-study-of-bacteria-zoonotic-diseases-in-south-dakota-2010-2014
#18
Jessica L Ludvik, Susan M Anderson, Mark K Huntington
BACKGROUND: Although the burden of infectious diseases has decreased dramatically due to advances in health care, disease prevention and numerous public health efforts and innovations, zoonotic diseases continue to pose a problem in terms of both existing and emerging diseases. These risks are of particular concern in rural areas, in which there is more contact with animals for occupational and recreational purposes. As a rural and agricultural state, South Dakota has a large percentage of its population at risk of exposure to zoonotic diseases through their substantial contact time with animals...
June 2017: South Dakota Medicine: the Journal of the South Dakota State Medical Association
https://www.readbyqxmd.com/read/28812908/a-quantitative-assessment-of-the-risk-of-human-salmonellosis-arising-from-the-consumption-of-pecans-in-the-united-states
#19
Sofia M Santillana Farakos, Régis Pouillot, Rhoma Johnson, Judith Spungen, Insook Son, Nathan Anderson, Gordon R Davidson, Jane M Van Doren
A quantitative risk assessment was conducted to assess the risk of human salmonellosis acquired from consumption of pecans in the United States. The model considered the potential for Salmonella survival, growth, and recontamination of pecans from the sheller to the consumer, including steps such as immersion in water, drying, conditioning, cracking, partitioning, and storage. Five theoretical microbial reduction treatment levels (1 to 5 log CFU) were modeled. Data from the 2010 to 2013 surveys by the National Pecan Shellers Association were used for initial prevalence and contamination levels...
September 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28802105/combined-influence-of-multiple-climatic-factors-on-the-incidence-of-bacterial-foodborne-diseases
#20
Myoung Su Park, Ki Hwan Park, Gyung Jin Bahk
Information regarding the relationship between the incidence of foodborne diseases (FBD) and climatic factors is useful in designing preventive strategies for FBD based on anticipated future climate change. To better predict the effect of climate change on foodborne pathogens, the present study investigated the combined influence of multiple climatic factors on bacterial FBD incidence in South Korea. During 2011-2015, the relationships between 8 climatic factors and the incidences of 13 bacterial FBD, were determined based on inpatient stays, on a monthly basis using the Pearson correlation analyses, multicollinearity tests, principal component analysis (PCA), and the seasonal autoregressive integrated moving average (SARIMA) modeling...
August 9, 2017: Science of the Total Environment
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