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https://www.readbyqxmd.com/read/28407482/salmonella-typhimurium-diarrhea-reveals-basic-principles-of-enteropathogen-infection-and-disease-promoted-dna-exchange
#1
REVIEW
Sandra Y Wotzka, Bidong D Nguyen, Wolf-Dietrich Hardt
Despite decades of research, efficient therapies for most enteropathogenic bacteria are still lacking. In this review, we focus on Salmonella enterica Typhimurium (S. Typhimurium), a frequent cause of acute, self-limiting food-borne diarrhea and a model that has revealed key principles of enteropathogen infection. We review the steps of gut infection and the mucosal innate-immune defenses limiting pathogen burdens, and we discuss how inflammation boosts gut luminal S. Typhimurium growth. We also discuss how S...
April 12, 2017: Cell Host & Microbe
https://www.readbyqxmd.com/read/28401513/study-of-intra-inter-species-protein-protein-interactions-for-potential-drug-targets-identification-and-subsequent-drug-design-for-escherichia-coli-o104-h4-c277-11
#2
Shakhinur Islam Mondal, Zabed Mahmud, Montasir Elahi, Arzuba Akter, Nurnabi Azad Jewel, Md Muzahidul Islam, Sabiha Ferdous, Taisei Kikuchi
Protein-protein interaction (PPI) and host-pathogen interactions (HPI) proteomic analysis has been successfully practiced for potential drug target identification in pathogenic infections. In this research, we attempted to identify new drug target based on PPI and HPI computation approaches and subsequently design new drug against devastating enterohemorrhagic Escherichia coli O104:H4 C277-11 (Broad), which causes life-threatening food borne disease outbreak in Germany and other countries in Europe in 2011...
December 2016: In Silico Pharmacology
https://www.readbyqxmd.com/read/28400011/use-of-enhanced-nisin-derivatives-in-combination-with-food-grade-oils-or-citric-acid-to-control-cronobacter-sakazakii-and-escherichia-coli-o157-h7
#3
Alicia Campion, Ruth Morrissey, Des Field, Paul D Cotter, Colin Hill, R Paul Ross
Cronobacter sakazakii and Escherichia coli O157:H7 are well known food-borne pathogens that can cause severe disease. The identification of new alternatives to heating to control these pathogens in foods, while reducing the impact on organoleptic properties and nutritional value, is highly desirable. In this study, nisin and its bioengineered variants, nisin V and nisin S29A, are used alone, or in combination with plant essential oils (thymol, carvacrol and trans-cinnamaldehyde) or citric acid, with a view to controlling C...
August 2017: Food Microbiology
https://www.readbyqxmd.com/read/28397036/risk-factors-for-low-birth-weight-and-preterm-birth-a-population-based-case-control-study-in-wuhan-china
#4
Jing Wang, Yun Zeng, Ze-Min Ni, Gui Wang, Shu-Yun Liu, Can Li, Chao-Li Yu, Qi Wang, Shao-Fa Nie
Low birth weight (LBW) and preterm birth (PB) are associated with newborn mortality and diseases in adulthood. We explored factors related to LBW and PB by conducting a population-based case-control study from January 2011 to December 2013 in Wuhan, China. A total of 337 LBW newborn babies, 472 PB babies, and 708 babies with normal birth weights and born from term pregnancies were included in this study. Information of newborns and their parents was collected by trained investigators using questionnaires and referring to medical records...
April 2017: Journal of Huazhong University of Science and Technology. Medical Sciences
https://www.readbyqxmd.com/read/28382711/prevalence-of-premastication-among-children-aged-6-36%C3%A2-months-and-its-association-with-health-a-cross-sectional-study-in-eight-cities-of-china
#5
Ai Zhao, Wei Zheng, Yong Xue, Hao Li, Shengjie Tan, Wenzhi Zhao, Peiyu Wang, Yumei Zhang
Premastication is thought to be an adaptive behavior in the introduction of complementary plant-bassed food to infants. It arouses controversy, however, because of the potential for transmitting saliva-born infectious diseases. The aim of this study was to explore whether premastication by healthy caregivers was associated with children's health and behavior. The data were collected as part of the Maternal and Infant Nutrition and Growth study. From 8 cities in China, 1341 pairs of infants/toddlers and their caregivers were recruited...
April 6, 2017: Maternal & Child Nutrition
https://www.readbyqxmd.com/read/28382704/hepatitis-e-the-current-state-of-play
#6
REVIEW
M J Ankcorn, R S Tedder
The hepatitis E virus (HEV) is a major cause of acute hepatitis globally. Genotypes 1 and 2 (G1 and G2) are obligate human pathogens transmitted faeco-orally, leading to epidemics in developing countries. In contrast, genotypes 3 and 4 (G3 and G4) have a wider host range, including humans, but are primarily porcine viruses and are transmitted from animals to humans as a food-borne zoonosis when meat from an infected animal is consumed. HEV is increasingly recognised as a problem in developed countries, including countries in Europe...
April 2017: Transfusion Medicine
https://www.readbyqxmd.com/read/28377533/nonselective-bottlenecks-control-the-divergence-and-diversification-of-phase-variable-bacterial-populations
#7
Jack Aidley, Shweta Rajopadhye, Nwanekka M Akinyemi, Lea Lango-Scholey, Christopher D Bayliss
Phase variation occurs in many pathogenic and commensal bacteria and is a major generator of genetic variability. A putative advantage of phase variation is to counter reductions in variability imposed by nonselective bottlenecks during transmission. Genomes of Campylobacter jejuni, a widespread food-borne pathogen, contain multiple phase-variable loci whose rapid, stochastic variation is generated by hypermutable simple sequence repeat tracts. These loci can occupy a vast number of combinatorial expression states (phasotypes) enabling populations to rapidly access phenotypic diversity...
April 4, 2017: MBio
https://www.readbyqxmd.com/read/28360100/trans-fatty-acids-promote-proinflammatory-signaling-and-cell-death-by-stimulating-the-apoptosis-signal-regulating-kinase-1-ask1-p38-pathway
#8
Yusuke Hirata, Miki Takahashi, Yuki Kudoh, Kuniyuki Kano, Hiroki Kawana, Kumiko Makide, Yasuharu Shinoda, Yasushi Yabuki, Kohji Fukunaga, Junken Aoki, Takuya Noguchi, Atsushi Matsuzawa
Food-borne trans-fatty acids (TFAs) are mainly produced as byproducts during food manufacture. Recent epidemiological studies have revealed that TFA consumption is a major risk factor for various disorders, including atherosclerosis. However, the underlying mechanisms in this disease etiology are largely unknown. Here, we have shown that TFAs potentiate activation of apoptosis signal-regulating kinase 1 (ASK1) induced by extracellular ATP, a damage-associated molecular pattern (DAMP) leaked from injured cells...
March 29, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28346030/antimicrobial-activity-of-eugenol-and-essential-oils-containing-eugenol-a-mechanistic-viewpoint
#9
Anna Marchese, Ramona Barbieri, Erika Coppo, Ilkay Erdogan Orhan, Maria Daglia, Seyed Fazel Nabavi, Morteza Izadi, Mohammad Abdollahi, Seyed Mohammad Nabavi, Marjan Ajami
Eugenol is a hydroxyphenyl propene, naturally occurring in the essential oils of several plants belonging to the Lamiaceae, Lauraceae, Myrtaceae, and Myristicaceae families. It is one of the major constituents of clove (Syzygium aromaticum (L.) Merr. & L.M. Perry, Myrtaceae) oil and is largely used in both foods and cosmetics as a flavoring agent. A large body of recent scientific evidence supports claims from traditional medicine that eugenol exerts beneficial effects on human health. These effects are mainly associated with antioxidant and anti-inflammatory activities...
March 27, 2017: Critical Reviews in Microbiology
https://www.readbyqxmd.com/read/28343459/a-retrospective-analysis-of-a-societal-experiment-among-the-danish-population-suggests-that-exposure-to-extra-doses-of-vitamin-a-during-fetal-development-may-lower-type-2-diabetes-mellitus-t2dm-risk-later-in-life
#10
Amélie Keller, Lars Ängquist, Ramune Jacobsen, Allan Vaag, Berit L Heitmann
Vitamin A deficiency has been associated with impaired fetal pancreatic development and increased risk of developing type 2 diabetes mellitus (T2DM). In 1962, mandatory margarine fortification with vitamin A was increased by 25 % in Denmark. We aimed to determine whether offspring of mothers who had been exposed to the extra vitamin A from fortification during pregnancy had a lower risk of developing T2DM in adult life, compared with offspring of mothers exposed to less vitamin A. Individuals from birth cohorts with the higher prenatal vitamin A exposure (born 1 December 1962-31 March 1964) and those with lower prenatal exposure (born 1 September 1959-31 December 1960) were followed up with regard to development of T2DM before 31 December 2012 in the Danish National Diabetes Registry and National Patient Register...
March 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28321791/arcobacter-spp-in-fecal-samples-from-brazilian-farmed-caimans-caiman-yacare-daudin-1802
#11
Maria Gabriela Xavier Oliveira, Leandro Nogueira Pressinotti, Giovane Spínola Carvalho, Mirela Caroline Vilela Oliveira, Luisa Zanolli Moreno, Carlos Emilio Cabrera Matajira, Alessandro Spínola Bergamo, Victor Manuel Aleixo, Alexandre Caixeta Veiga, Elvis de Souza Corsino, Ana Paula Guarnieri Christ, Maria Inês Zanolli Sato, Andrea Micke Moreno, Terezinha Knöbl
The aim of this study was to perform the identification and molecular characterization of Arcobacter cryaerophilus and Arcobacter butzleri isolated from caiman (Caiman yacare), kept at a production farm, in Brazil. Forty fecal samples were analyzed. After isolation and identification, 21/40 strains of A. butzleri and 19/40 strains of A. cryaerophilus were subjected to PCR for potential virulence gene detection. The results of the PCR showed 38/40 strains positive for the cadF, cj1349, ciaB, and tlyA genes, 39/40 strains positive for the pldA gene, and 40/40 strains positive for the mviN gene...
March 21, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28299288/food-safety-and-sustainable-nutrition-workshops-educational-experiences-for-primary-school-children-in-turin-italy
#12
Amaranta Traversa, Daniela Adriano, Alberto Bellio, Daniela Manila Bianchi, Silvia Gallina, Clara Ippolito, Angelo Romano, Paola Durelli, Andrea Pezzana, Lucia Decastelli
European control and prevention policies are focused to guarantee a high level of protection of consumers' health. Food-borne diseases as obesity, diabetes, food allergy, and food-borne outbreaks are increasing. To prevent food-borne diseases, it is fundamental to involve consumers, in particular children, in educational experiences aimed to learn the proper behaviours to be applied. In this context, we designed and performed 5 educational workshops about food safety, hidden allergens in food and nutrition aimed to involve children attending primary and summer school...
January 24, 2017: Italian Journal of Food Safety
https://www.readbyqxmd.com/read/28277085/detection-of-class-i-and-ii-integrons-for-the-assessment-of-antibiotic-and-multidrug-resistance-among-escherichia-coli-isolates-from-agricultural-irrigation-waters-in-bulacan-philippines
#13
Cielo Emar M Paraoan, Windell L Rivera, Pierangeli G Vital
Contaminated irrigation water may greatly affect not only the quality of produce but also the people exposed to it. In this study, agricultural irrigation waters in Bulacan, Philippines were assessed and found to be contaminated with Escherichia coli (E. coli) ranging from 0.58 to 4.51 log10 CFU/mL. A total of 79 isolates of E. coli were confirmed through polymerase chain reaction (PCR) amplifying the uidA gene and were tested for phenotypic resistance using 10 antimicrobials through the Kirby-Bauer disc diffusion method...
February 10, 2017: Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes
https://www.readbyqxmd.com/read/28271853/a-3-year-multi-food-study-of-the-presence-and-persistence-of-listeria-monocytogenes-in-54-small-food-businesses-in-ireland
#14
Dara Leong, Kerrie NicAogáin, Laura Luque-Sastre, Oisin McManamon, Karen Hunt, Avelino Alvarez-Ordóñez, Johann Scollard, Achim Schmalenberger, Séamus Fanning, Conor O'Byrne, Kieran Jordan
The problem of assessing the occurrence of the food-borne pathogen Listeria monocytogenes in the food chain, and therefore the risk of exposure of the human population, is often challenging because of the limited scope of some studies. In this study the occurrence of L. monocytogenes in food from four major food groups, dairy products, meats, seafood and vegetables, and associated food processing environments in Ireland was studied over a three-year period. Fifty-four small food businesses participated in the study and sent both food and environmental samples every 2months between 2013 and 2015...
February 21, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28264671/lifestyles-and-socio-cultural-factors-among-children-aged-6-8-years-from-five-italian-towns-the-mapec_life-study-cohort
#15
Francesco Bagordo, Antonella De Donno, Tiziana Grassi, Marcello Guido, Gabriele Devoti, Elisabetta Ceretti, Claudia Zani, Donatella Feretti, Milena Villarini, Massimo Moretti, Tania Salvatori, Annalaura Carducci, Marco Verani, Beatrice Casini, Sara Bonetta, Elisabetta Carraro, Tiziana Schilirò, Silvia Bonizzoni, Alberto Bonetti, Umberto Gelatti
BACKGROUND: Lifestyles profoundly determine the quality of an individual's health and life since his childhood. Many diseases in adulthood are avoidable if health-risk behaviors are identified and improved at an early stage of life. The aim of the present research was to characterize a cohort of children aged 6-8 years selected in order to perform an epidemiological molecular study (the MAPEC_LIFE study), investigate lifestyles of the children that could have effect on their health status, and assess possible association between lifestyles and socio-cultural factors...
March 7, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28264492/lifestyle-and-dietary-determinants-of-serum-apolipoprotein-a1-and-apolipoprotein-b-concentrations-cross-sectional-analyses-within-a-swedish-cohort-of-24-984-individuals
#16
Kasper Frondelius, Madelene Borg, Ulrika Ericson, Yan Borné, Olle Melander, Emily Sonestedt
Low serum apolipoprotein (Apo) A1 concentrations and high serum ApoB concentrations may be better markers of the risk of cardiovascular disease than high-density lipoprotein (HDL) and low-density lipoprotein (LDL). However, the associations between modifiable lifestyle factors and Apo concentrations have not been investigated in detail. Therefore, this study investigated the associations between Apo concentrations and education, lifestyle factors and dietary intake (macronutrients and 34 food groups). These cross-sectional associations were examined among 24,984 individuals in a Swedish population-based cohort...
February 28, 2017: Nutrients
https://www.readbyqxmd.com/read/28253272/risk-mapping-of-clonorchiasis-in-the-people-s-republic-of-china-a-systematic-review-and-bayesian-geostatistical-analysis
#17
Ying-Si Lai, Xiao-Nong Zhou, Zhi-Heng Pan, Jürg Utzinger, Penelope Vounatsou
BACKGROUND: Clonorchiasis, one of the most important food-borne trematodiases, affects more than 12 million people in the People's Republic of China (P.R. China). Spatially explicit risk estimates of Clonorchis sinensis infection are needed in order to target control interventions. METHODOLOGY: Georeferenced survey data pertaining to infection prevalence of C. sinensis in P.R. China from 2000 onwards were obtained via a systematic review in PubMed, ISI Web of Science, Chinese National Knowledge Internet, and Wanfang Data from January 1, 2000 until January 10, 2016, with no restriction of language or study design...
March 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28248852/serosurveillance-of-hepatitis-a-in-a-region-which-adopted-the-universal-mass-vaccination
#18
Maria Filomena Gallone, Francesco Desiante, Maria Serena Gallone, Giovanna Barbuti, Silvio Tafuri, Cinzia Germinario
Hepatitis A is a common infectious disease worldwide that was endemic in many regions of Southern Italy, such as Apulia region. After a large hepatitis A outbreak occurred between 1996 and 1997, in Apulia an active-free immunization program that was targeted to new-borns and adolescents was started. The aim of this study is to investigate the hepatitis A seroprevalence in the adult Apulian population 18 years after the immunization program introduction, in order to evaluate the risk of new epidemics onset.The study was carried out from May 2011 to June 2012 among blood donors from Department of Transfusion Medicine and Blood Bank of Policlinico General Hospital in Bari...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28213020/chitosan-inhibits-enterotoxigenic-clostridium-perfringens-type-a-in-growth-medium-and-chicken-meat
#19
Maryam Alnoman, Pathima Udompijitkul, Mahfuzur R Sarker
Clostridium perfringens is a spore-forming bacterium and a major cause of bacterial food-borne illness. In this study, we evaluated the inhibitory effects of chitosan against spore germination, spore outgrowth and vegetative growth of C. perfringens food poisoning (FP) isolates. Chitosan of differing molecular weights inhibited germination of spores of all tested FP isolates in a KCl germinant solution containing 0.1 mg/ml chitosan at pH 4.5. However, higher level (0.25 mg/ml) of chitosan was required to effectively arrest outgrowth of the germinated C...
June 2017: Food Microbiology
https://www.readbyqxmd.com/read/28209208/food-safety-in-vietnam-where-we-are-at-and-what-we-can-learn-from-international-experiences
#20
Hung Nguyen-Viet, Tran Thi Tuyet-Hanh, Fred Unger, Sinh Dang-Xuan, Delia Grace
Food-borne diseases are attracting a lot of attention in Vietnam as a result of repeated episodes of adulterated and unsafe food. In this paper, we provide some perspectives on food safety in Vietnam from the point of view of an international research institution working on food safety with partners in the country. We argue that one of the key issues of food safety in Vietnam is that certain food value chain stakeholders lack ethics, which leads to the production and trading of unsafe foods in order to make profits irrespective of adverse health effects on consumers...
February 16, 2017: Infectious Diseases of Poverty
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