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https://www.readbyqxmd.com/read/28633491/optimization-of-inactivated-h5n9-highly-pathogenic-avian-influenza-vaccine-and-inactivated-salmonella-enterica-serovar-typhimurium-vaccine-with-antigen-dose-and-prime-boost-regimen-in-domestic-ducks
#1
Seong-Su Yuk, Eredene-Ochir To, Jung-Hoon Kwon, Jin-Yong Noh, Woo-Tack Hong, Jei-Hyun Jeong, Gyeong-Bin Gwon, Chang-Seon Song
Owing to the increase in the number of diseases affecting ducks and the demand for food safety by consumers, vaccination has become one of the factors that influence duck meat productivity. The highly pathogenic avian influenza (HPAI) virus is one of the most prevalent and causes one of the most lethal diseases in domestic ducks, and Salmonella enterica serovar Typhimurium is a food-borne pathogen persistent in the domestic duck population. To better understand the optimal usage of HPAI and S. enterica serovar Typhimurium vaccines, we aimed to determine antigen dose, oil and gel adjuvant usage with prime-boost regimen, and vaccination age, inducing the best immune response in ducks, without an effect on body weight gain...
June 17, 2017: Poultry Science
https://www.readbyqxmd.com/read/28629317/surface-hypothermia-predicts-murine-mortality-in-the-intragastric-vibrio-vulnificus-infection-model
#2
Hannah E Gavin, Karla J F Satchell
BACKGROUND: The Gram-negative bacterium Vibrio vulnificus can cause severe disease in humans who consume undercooked, contaminated seafood. To study food-borne V. vulnificus disease in the laboratory, mouse virulence studies predominantly use death as the primary experimental endpoint because behaviorally based moribund status does not consistently predict lethality. This study assessed ventral surface temperature (VST) and its association with mouse survival during V. vulnificus virulence studies as an efficacious, humane alternative...
June 19, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28627151/-assessment-of-an-algorithm-to-identify-paediatric-onset-celiac-disease-cases-through-administrative-healthcare-databases
#3
Gisella Pitter, Roberto Gnavi, Pierantonio Romor, Renzo Zanotti, Lorenzo Simonato, Cristina Canova
OBJECTIVES: to assess the role of four administrative healthcare databases (pathology reports, copayment exemptions, hospital discharge records, gluten-free food prescriptions) for the identification of possible paediatric cases of celiac disease. DESIGN: population-based observational study with record linkage of administrative healthcare databases. SETTING AND PARTICIPANT S: children born alive in the Friuli Venezia Giulia Region (Northern Italy) to resident mothers in the years 1989-2012, identified using the regional Medical Birth Register...
January 2017: Epidemiologia e Prevenzione
https://www.readbyqxmd.com/read/28624297/aptasensors-for-quantitative-detection-of-salmonella-typhimurium
#4
REVIEW
Najmeh Ansari, Zhouping Wang, Rezvan Yazdian-Robati, Mahin Shahdordizadeh, Kiarash Ghazvini
Salmonella is one of the most frequent causes of food borne infectious disease. Among nearly 2500 documented serotypes are reported, Salmonella Typhimurium is the number one serotype associated with salmonellosis worldwide. Many different methods have been developed for the detection and quantification of S. typhimurium. Most of these assays are usually expensive, time consuming and require difficult sample preparation steps. Therefore, it is necessary to develop rapid, robust, cost-effective and sensitive alternative detection methods...
June 14, 2017: Analytical Biochemistry
https://www.readbyqxmd.com/read/28622430/enterohaemorrhagic-escherichia-coli-produces-outer-membrane-vesicles-as-an-active-defense-system-against-antimicrobial-peptide-ll-37
#5
Akiko Urashima, Ayano Sanou, Hilo Yen, Toru Tobe
Antimicrobial peptides (AMPs) are important components of the innate immune system. Enterohaemorrhagic Escherichia coli (EHEC), a food-borne pathogen causing serious diarrheal diseases, must overcome attack by AMPs. Here, we show that resistance of EHEC against human cathelicidin LL-37, a primary AMP, was enhanced by butyrate, which has been shown to act as a stimulant for the expression of virulence genes. The increase of resistance depended on the activation of the ompT gene, which encodes the outer membrane protease OmpT for LL-37...
June 16, 2017: Cellular Microbiology
https://www.readbyqxmd.com/read/28578266/next-generation-sequencing-based-multigene-panel-for-high-throughput-detection-of-food-borne-pathogens
#6
Chiara Ferrario, Gabriele Andrea Lugli, Maria Cristina Ossiprandi, Francesca Turroni, Christian Milani, Sabrina Duranti, Leonardo Mancabelli, Marta Mangifesta, Giulia Alessandri, Douwe van Sinderen, Marco Ventura
Contamination of food by chemicals or pathogenic bacteria may cause particular illnesses that are linked to food consumption, commonly referred to as foodborne diseases. Bacteria are present in/on various foods products, such as fruits, vegetables and ready-to-eat products. Bacteria that cause foodborne diseases are known as foodborne pathogens (FBPs). Accurate detection methods that are able to reveal the presence of FBPs in food matrices are in constant demand, in order to ensure safe foods with a minimal risk of causing foodborne diseases...
May 3, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28574206/genome-wide-analyses-of-listeria-monocytogenes-from-food-processing-plants-reveals-clonal-diversity-and-dates-the-emergence-of-persisting-sequence-types
#7
Gitte M Knudsen, Jesper Boye Nielsen, Rasmus L Marvig, Yin Ng, Peder Worning, Henrik Westh, Lone Gram
Whole genome sequencing is increasing used in epidemiology, e.g. for tracing outbreaks of food-borne diseases. This requires in-depth understanding of pathogen emergence, persistence, and genomic diversity along the food production chain including in food processing plants. We sequenced the genomes of 80 isolates of Listeria monocytogenes sampled from Danish food processing plants over a time-period of 20 years, and analyzed the sequences together with 10 public available reference genomes to advance our understanding of inter- and intra-plant genomic diversity of L...
June 2, 2017: Environmental Microbiology Reports
https://www.readbyqxmd.com/read/28558033/sourcer-classification-and-source-attribution-of-infectious-agents-among-heterogeneous-populations
#8
Poppy Miller, Jonathan Marshall, Nigel French, Chris Jewell
Zoonotic diseases are a major cause of morbidity, and productivity losses in both human and animal populations. Identifying the source of food-borne zoonoses (e.g. an animal reservoir or food product) is crucial for the identification and prioritisation of food safety interventions. For many zoonotic diseases it is difficult to attribute human cases to sources of infection because there is little epidemiological information on the cases. However, microbial strain typing allows zoonotic pathogens to be categorised, and the relative frequencies of the strain types among the sources and in human cases allows inference on the likely source of each infection...
May 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28549465/early-feeding-and-risk-of-juvenile-idiopathic-arthritis-a-case-control-study-in-a-prospective-birth-cohort
#9
Erik Kindgren, Mats Fredrikson, Johnny Ludvigsson
BACKGROUND: Juvenile idiopathic arthritis (JIA) is considered to be an autoimmune disease, but the etiology is unknown. We decided to study the influence of early nutrition on later development of JIA. METHODS: All parents with children born between October 1, 1997 and October 1, 1999 in Southeast Sweden were asked to participate in the ABIS prospective cohort study (All Babies in Southeast Sweden), At 1 year, questionnaires with information on breastfeeding and introduction of foods were completed by 10,565 families...
May 26, 2017: Pediatric Rheumatology Online Journal
https://www.readbyqxmd.com/read/28548289/effects-of-food-borne-nanomaterials-on-gastrointestinal-tissues-and-microbiota
#10
REVIEW
Hans Bouwmeester, Meike van der Zande, Mark A Jepson
Ingestion of engineered nanomaterials is inevitable due to their addition to food and prevalence in food packaging and domestic products such as toothpaste and sun cream. In the absence of robust dosimetry and particokinetic data, it is currently challenging to accurately assess the potential toxicity of food-borne nanomaterials. Herein, we review current understanding of gastrointestinal uptake mechanisms, consider some data on the potential for toxicity of the most commonly encountered classes of food-borne nanomaterials (including TiO2 , SiO2, ZnO, and Ag nanoparticles), and discuss the potential impact of the luminal environment on nanoparticle properties and toxicity...
May 26, 2017: Wiley Interdisciplinary Reviews. Nanomedicine and Nanobiotechnology
https://www.readbyqxmd.com/read/28540315/invasive-listeria-monocytogenes-gastroenteritis-leading-to-stupor-bacteremia-fever-and-diarrhea-a-rare-life-threatening-condition
#11
Hassan Mehmood, Asghar Dil Jan Khan Marwat, Noman Ahmed Jang Khan
Listeria monocytogenes is a gram-positive, rod-shaped organism that can cause serious infections such as meningitis, invasive gastroenteritis, and endocarditis. Every year 1600 people in the United States are affected, with significant mortality of 260 people annually. Listeria gastroenteritis has the third highest mortality rate among all the food-borne infection. Invasive listeriosis most commonly affect pregnant women, those in extremes of ages, people with comorbid diseases, and people with weakened immune response...
April 2017: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/28539041/outer-membrane-vesicles-derived-from-salmonella-enteritidis-protect-against-the-virulent-wild-type-strain-infection-in-a-mouse-model
#12
Qiong Liu, Jie Yi, Kang Liang, Xiangmin Zhang, Qing Liu
Food-borne contamination and salmonellosis caused by Salmonella Enteritidis (S. Enteritidis) are a significant threat to human health and poultry enterprises. Outer membrane vesicles (OMVs), which are naturally secreted by gram-negative bacteria, could be a good vaccine option because they have many biologically active substances, including lipopolysaccharides (LPS), outer membrane proteins (OMPs), and phospholipids, as well as periplasmic components. In the present study, we purified OMVs derived from S. Enteritidis and analyzed their characteristics through silver staining and sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE)...
May 25, 2017: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28524037/-clinical-analysis-of-53-patients-with-clostridium-botulinum-food-poisoning
#13
Peng Zhang, Jianguang Dong, Lili Bai, Zewu Qiu
OBJECTIVE: To analyze the epidemiologic data of patients with Clostridium botulinum food poisoning, and to improve the understanding, diagnosis and treatment of food borne botulism. METHODS: A retrospective study was conducted. Fifty-three patients with Clostridium botulinum food poisoning admitted to Chinese PLA Center of Poisoning and Treatment from January 2009 to December 2016 were enrolled, and they were divided into mild, moderate, and severe groups according to the severity of disease...
May 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28522308/development-of-a-ssdna-aptamer-for-detection-of-residual-benzylpenicillin
#14
A-Young Lee, Na-Reum Ha, In-Pil Jung, Sang-Heon Kim, A-Ru Kim, Moon-Young Yoon
Antibiotics are useful for improving the living conditions of livestock. However, residual antibiotics induce several human diseases such as food-borne illness and infection of carbapenem-resistant Enterobacteriaceae (CRE). In this study, the identification of a benzylpenicillin-specific aptamer was selected by rGO-SELEX (reduced Graphene Oxide-Systematic Evolution of Ligands by EXponential enrichment). A random ssDNA library was incubated with rGO for adsorption and eluted with benzylpenicillin. As a result of the selection process, a DNA aptamer was found that specifically bound to benzylpenicillin with high binding affinity, Kd = 383...
May 15, 2017: Analytical Biochemistry
https://www.readbyqxmd.com/read/28516860/salmonella-diva-vaccine-reduces-disease-colonization-and-shedding-due-to-virulent-s-typhimurium-infection-in-swine
#15
Bradley L Bearson, Shawn M D Bearson, Brian W Brunelle, Darrell O Bayles, In Soo Lee, Jalusa D Kich
PURPOSE: Non-host-adapted Salmonella serovars, including the common human food-borne pathogen Salmonella enterica serovar Typhimurium (S. Typhimurium), are opportunistic pathogens that can colonize food-producing animals without causing overt disease. Interventions against Salmonella are needed to enhance food safety, protect animal health and allow the differentiation of infected from vaccinated animals (DIVA). METHODOLOGY: An attenuated S. Typhimurium DIVA vaccine (BBS 866) was characterized for the protection of pigs following challenge with virulent S...
May 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28507070/limited-colonization-undermined-by-inadequate-early-immune-responses-define-the-dynamics-of-decidual-listeriosis
#16
Gabrielle Rizzuto, Elisa Tagliani, Priyanka Manandhar, Adrian Erlebacher, Anna I Bakardjiev
The bacterial pathogen Listeria monocytogenes causes a food-borne systemic disease in pregnant women that can lead to preterm labor, stillbirth, or severe neonatal disease. Colonization of the maternal decidua appears to be an initial step in the maternal component of the disease as well as bacterial transmission to the placenta and fetus. Host-pathogen interactions in the decidua during this early stage of infection remain poorly understood. Here, we assessed the dynamics of L. monocytogenes infection in primary human decidual organ cultures and in the murine decidua in vivo...
May 15, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28493001/study-on-the-tolerance-and-adaptation-of-rats-to-angiostrongylus-cantonensis-infection
#17
Liu Ji, Xu Yiyue, He Xujin, Zheng Minghui, Zhang Mengying, Hu Yue, Wu Yanqi, Song Langui, Zeng Xin, Lin Datao, Wan Shuo, Zheng Huanqin, Wu Zhongdao, Lv Zhiyue
Angiostrongylus cantonensis (A. cantonensis) is the most common infectious agent causing eosinophilic meningitis. As an important food-borne parasitic disease, angiostrongyliasis cantonensis is an emerging infectious disease which brings severe harm to central nerve system of human. Rat, one of the few permissive hosts of A. cantonensis known to date, plays an indispensable role in the worm's life cycle. However, the tolerance and adaptation of rat to A. cantonensis infection is rarely understood. In this study, we infected rats with different numbers the third stage larvae (L3) of A...
July 2017: Parasitology Research
https://www.readbyqxmd.com/read/28491823/comparative-proteomics-reveals-differences-in-host-pathogen-interaction-between-infectious-and-commensal-relationship-with-campylobacter-jejuni
#18
Nieves Ayllón, Ángeles Jiménez-Marín, Héctor Argüello, Sara Zaldívar-López, Margarita Villar, Carmen Aguilar, Angela Moreno, José De La Fuente, Juan J Garrido
Campylobacter jejuni is the leading food-borne poisoning in industrialized countries. While the bacteria causes disease in humans, it merely colonizes the gut in poultry or pigs, where seems to establish a commensal relationship. Until now, few studies have been conducted to elucidate the relationship between C. jejuni and its different hosts. In this work, a comparative proteomics approach was used to identify the underlying mechanisms involved in the divergent outcome following C. jejuni infection in human and porcine host...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28465670/review-of-major-sweetpotato-pests-in-japan-with-information-on-resistance-breeding-programs
#19
REVIEW
Yoshihiro Okada, Akira Kobayashi, Hiroaki Tabuchi, Toshikazu Kuranouchi
Sweetpotato (Ipomoeae batatas (L.) Lam.) is an important food crop affected by several pests throughout the world, especially in tropical, subtropical, and temperate regions. Although Japan is relatively free from many serious sweetpotato pests, some pests, especially soil-borne pathogens, viruses, and insects such as plant-parasitic nematodes and weevils, cause severe damage in Japan. In this review, we describe the current status and management options for sweetpotato pests and diseases in Japan and review research related to sweetpotato breeding that can promote resistance to these problems...
January 2017: Breeding Science
https://www.readbyqxmd.com/read/28455327/novel-method-for-the-reliable-identification-of-siccibacter-and-franconibacter-strains-from-pseudo-cronobacter-to-new-enterobacteriaceae-genera
#20
Barbora Svobodová, Jiří Vlach, Petra Junková, Ludmila Karamonová, Martina Blažková, Ladislav Fukal
In the last decade, strains of the genera Franconibacter and Siccibacter have been misclassified as first Enterobacter and later Cronobacter Because Cronobacter is a serious food-borne pathogen that affects premature neonates and elderly individuals, such misidentification may not only falsify epidemiological statistics, but also lead to tests of powdered infant formula or other foods giving false results. Currently, the main ways of identifying Franconibacter and Siccibacter strains are by biochemical testing or by sequencing of the fusA gene as part of Cronobacter MLST, but in relation to these strains the former is generally highly difficult and unreliable while the latter remains expensive...
April 28, 2017: Applied and Environmental Microbiology
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