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https://www.readbyqxmd.com/read/27933160/post-sensitization-administration-of-non-digestible-oligosaccharides-and-bifidobacterium-breve-m-16v-reduces-allergic-symptoms-in-mice
#1
Betty C A M van Esch, Suzanne Abbring, Mara A P Diks, Gemma M Dingjan, Lucien F Harthoorn, A Paul Vos, Johan Garssen
To support dietary management of severe cow's milk allergic infants, a synbiotic mixture of non-digestible oligosaccharides and Bifidobacterium breve M-16V (B. breve) was designed from source materials that are completely cow's milk-free. It was investigated whether this specific synbiotic concept can reduce an established food allergic response in a research model for hen's egg allergy. Mice were orally sensitized once a week for 5 weeks to ovalbumin (OVA) using cholera toxin (CT) as an adjuvant. Non-sensitized mice received CT in PBS only...
June 2016: Immunity, Inflammation and Disease
https://www.readbyqxmd.com/read/27932084/a-novel-method-for-the-rapid-detection-of-microbes-in-blood-using-pleurocidin-antimicrobial-peptide-functionalized-piezoelectric-sensor
#2
Xiaohong Shi, Xiaoqing Zhang, Qiongqiong Yao, Fengjiao He
The rapid detection of microbes is critical in clinical diagnosis and food safety. Culture-dependent assays are the most widely used microbial detection methods, but these assays are time-consuming. In this study, a rapid microbial detection method was proposed using a pleurocidin/single-walled carbon nanotubes/interdigital electrode-multichannel series piezoelectric quartz crystal (pleurocidin/SWCNT/IDE-MSPQC) sensor. The selected pleurocidin antimicrobial peptide served as a recognition probe that exhibits broad-spectrum antimicrobial activity and the SWCNT acted as the electronic transducer and cross-linker for the immobilization of pleurocidin on the IDE...
December 5, 2016: Journal of Microbiological Methods
https://www.readbyqxmd.com/read/27931984/knowledge-about-sources-of-dietary-fibres-and-health-effects-using-a-validated-scale-a-cross-country-study
#3
R P F Guiné, J Duarte, M Ferreira, P Correia, M Leal, I Rumbak, I C Barić, D Komes, Z Satalić, M M Sarić, M Tarcea, Z Fazakas, D Jovanoska, D Vanevski, E Vittadini, N Pellegrini, V Szűcs, J Harangozó, A El-Kenawy, O El-Shenawy, E Yalçın, C Kösemeci, D Klava, E Straumite
OBJECTIVES: Dietary fibre (DF) is one of the components of diet that strongly contributes to health improvements, particularly on the gastrointestinal system. Hence, this work intended to evaluate the relations between some sociodemographic variables such as age, gender, level of education, living environment or country on the levels of knowledge about dietary fibre (KADF), its sources and its effects on human health, using a validated scale. STUDY DESIGN: The present study was a cross-sectional study...
December 2016: Public Health
https://www.readbyqxmd.com/read/27931747/genetic-diversity-and-population-structure-of-food-borne-staphylococcus-carnosus-strains
#4
Anne Bückle Née Müller, Markus Kranz, Herbert Schmidt, Agnes Weiss
The species Staphylococcus carnosus is a non-pathogenic representative of the coagulase negative staphylococci. Specific strains are applied as meat starter cultures. The species consists of two subspecies, S. carnosus ssp. carnosus and S. carnosus ssp. utilis. In order to place S. carnosus strains, characterized in former studies, in a genetic background that allows a typing of candidates for starter cultures, a Multilocus Sequence Typing (MLST) scheme was developed. Internal fragments of the genes tpiA, xprT, dat, gmk, glpK, narG, cstA, encoding triosephosphate isomerase, xanthine phosphoribosyltransferase, d-amino acid aminotransferase, guanylate kinase, glycerol kinase, the α-chain of the respiratory nitrate reductase, and a carbon starvation protein where chosen...
November 30, 2016: Systematic and Applied Microbiology
https://www.readbyqxmd.com/read/27930817/assessment-of-virulence-factors-antibiotic-resistance-and-amino-decarboxylase-activity-in-enterococcus-faecium-mxvk29-isolated-from-mexican-chorizo
#5
Yenizey M Alvarez-Cisneros, Francisco J Fernández, Teresita Del Rosario Sáinz Espuñes, Edith Ponce-Alquicira
Enterococcus faecium MXVK29 has the ability to produce an antimicrobial compound that belongs to Class IIa of the Klaenhammer classification, and could be used as part of a biopreservation technology through direct inoculation of the strain as a starter or protective culture. However, Enterococcus is considered an opportunistic pathogen, so the purpose of this work was to study the food safety determinants of Enterococcus faecium MXVK29. The strain was sensitive to all of the antibiotics tested (penicillin, tetracycline, vancomycin, erythromycin, chloramphenicol, gentamicin, neomycin, kanamycin and netilmicin) and did not demonstrate histamine, cadaverine, or putrescine formation...
December 8, 2016: Letters in Applied Microbiology
https://www.readbyqxmd.com/read/27928772/barriers-and-facilitators-to-healthy-lifestyle-changes-in-minority-ethnic-populations-in-the-uk-a-narrative-review
#6
Naina Patel, Harriet Batista Ferrer, Freya Tyrer, Paula Wray, Azhar Farooqi, Melanie J Davies, Kamlesh Khunti
Minority ethnic populations experience a disproportionate burden of health inequalities compared with the rest of the population, including an increased risk of type 2 diabetes (T2DM). The purpose of this narrative review was to explore knowledge and attitudes around diabetes, physical activity and diet and identify barriers and facilitators to healthy lifestyle changes in minority ethnic populations in the UK. The narrative review focused on three key research topics in relation to barriers and facilitators to healthy lifestyle changes in minority adult ethnic populations: (i) knowledge and attitudes about diabetes risk; (ii) current behaviours and knowledge about physical activity and diet; and (iii) barriers and facilitators to living a healthier lifestyle...
December 7, 2016: Journal of Racial and Ethnic Health Disparities
https://www.readbyqxmd.com/read/27925238/danshen-enhanced-cardioprotective-effect-of-cardioplegia-on-ischemia-reperfusion-injury-in-a-human-induced-pluripotent-stem-cell-derived-cardiomyocytes-model
#7
Wei Wei, Yiwei Liu, Qiang Zhang, Yangming Wang, Xiaoling Zhang, Hao Zhang
Myocardial ischemia-reperfusion (I/R) injury is unavoidable during cardioplegic arrest and open-heart surgery. Danshen is one of the most popular traditional herbal medicines in China, which has entered the Food and Drug Administration-approved phase III clinical trial. This study was aimed to develop a human-induced pluripotent stem cell-derived cardiomyocytes (hiPSC-CMs) model to mimic I/R injury and evaluate the cardioprotective effect of regular cardioplegic solution with Danshen. hiPSC-CMs were cultured with the crystalloid cardioplegic solution (Thomas group) and Thomas solution with 2 or 10 µg/mL Danshen (Thomas plus Danshen groups)...
December 7, 2016: Artificial Organs
https://www.readbyqxmd.com/read/27924541/targeting-other-mycotoxin-biosynthetic-genes
#8
María J Andrade, Mar Rodríguez, Juan J Córdoba, Alicia Rodríguez
Real-time PCR (qPCR) methods are adequate tools for sensitive and rapid detection and quantification of toxigenic molds contaminating food commodities. Methods of qPCR for quantifying zearalenone (ZEA)-, sterigmatocystin (ST)-, cyclopiazonic acid (CPA)-, and patulin (PAT)-producing molds have been designed on the basis of specific target genes involved in the biosynthesis of these mycotoxins. In this chapter reliable qPCR protocols to detect and quantify such toxigenic molds are described. All of these methods are suitable when working with mold pure cultures and mold contaminated foods...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27924537/targeting-aflatoxin-biosynthetic-genes
#9
Ali Y Srour, Ahmad M Fakhoury, Robert L Brown
Chemical detoxification and physical destruction of aflatoxins in foods and feed commodities are mostly unattainable in a way that preserves the edibility of the food. Therefore, preventing mycotoxins in general and aflatoxins in particular from entering the food chain is a better approach. This requires early detection of the aflatoxin-causing organisms. Detection and quantification of aflatoxin-producing fungi has always been a challenge, especially within species of Aspergillus and Penicillium. Culture-based methods require a high level of expertise and a list of sophisticated equipment...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27924529/alternaria-species-and-their-associated-mycotoxins
#10
Virginia Elena Fernández Pinto, Andrea Patriarca
The genus Alternaria includes more than 250 species. The traditional methods for identification of Alternaria species are based on morphological characteristics of the reproductive structures and sporulation patterns under controlled culture conditions. Cladistics analyses of "housekeeping genes" commonly used for other genera, failed to discriminate among the small-spored Alternaria species. The development of molecular methods achieving a better agreement with morphological differences is still needed. The production of secondary metabolites has also been used as a means of classification and identification...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27924271/amino-acid-residues-of-bitter-taste-receptor-tas2r16-that-determine-sensitivity-in-primates-to-%C3%AE-glycosides
#11
Hiroo Imai, Nami Suzuki-Hashido, Yoshiro Ishimaru, Takanobu Sakurai, Lijie Yin, Wenshi Pan, Masaji Ishiguro, Katsuyoshi Masuda, Keiko Abe, Takumi Misaka, Hirohisa Hirai
In mammals, bitter taste is mediated by TAS2Rs, which belong to the family of seven transmembrane G protein-coupled receptors. Since TAS2Rs are directly involved in the interaction between mammals and their dietary sources, it is likely that these genes evolved to reflect species-specific diets during mammalian evolution. Here, we analyzed the amino acids responsible for the difference in sensitivities of TAS2R16s of various primates using a cultured cell expression system. We found that the sensitivity of TAS2R16 varied due to several amino acid residues...
2016: Biophysics and Physicobiology
https://www.readbyqxmd.com/read/27923189/sensitive-immunoassay-based-detection-of-vibrio-parahaemolyticus-using-capture-and-labeling-particles-in-a-stationary-liquid-phase-lab-on-a-chip
#12
Byunghee Park, Suk-Jung Choi
In the present study, a method was developed for detection of Vibrio parahaemolyticus based on a stationary liquid phase lab-on-a-chip (SLP LOC). The present SLP LOC comprises a sample chamber, washing chamber, and detection chamber connected by two channels. The method utilizes two types of particles: capture particles (CPs), which are magnetic nanoparticles functionalized with antibody; and labeling particles (LPs), which are silica nanoparticles functionalized with horseradish peroxidase and antibody. Samples were added to the sample chamber with CPs and LPs, forming a CP-bacteria-LP complex, and the complex was transported to the detection chamber containing chromogenic substrate solution...
December 1, 2016: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/27921367/dietary-patterns-in-liberian-refugees-in-buduburam-ghana
#13
Wilhelmenia L Ross, Daniel F Gallego-Pérez, Anna Lartey, Adam Sandow, Rafael Pérez-Escamilla, Amber Hromi-Fiedler
Previous research suggests that acculturation (i.e., exposure and assimilation to local culture) is associated with changes in dietary patterns among immigrants. This study investigates this association in a refugee population using time in refugee settlement as a proxy for acculturation. A cross-sectional survey was conducted among a systematic sample to (a) identify dietary patterns in Liberian refugees and Ghanaians living in or near a refugee settlement, (b) compare adherence to these dietary patterns between groups, and (c) investigate the association between acculturation and dietary patterns in Liberian refugees...
December 5, 2016: Maternal & Child Nutrition
https://www.readbyqxmd.com/read/27920774/effects-of-tween-80-on-growth-and-biofilm-formation-in-laboratory-media
#14
Christina K Nielsen, Jørgen Kjems, Tina Mygind, Torben Snabe, Rikke L Meyer
Tween 80 is a widely used non-ionic emulsifier that is added to cosmetics, pharmaceuticals, and foods. Because of its widespread use we need to understand how it affects bacteria on our skin, in our gut, and in food products. The aim of this study is to investigate how Tween 80 affects the growth and antimicrobial susceptibility of Staphylococcus aureus, Listeria monocytogenes, and Pseudomonas fluorescens, which are common causes of spoilage and foodborne illnesses. Addition of 0.1% Tween 80 to laboratory growth media increased the growth rate of planktonic S...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27919712/extracts-from-two-ubiquitous-mediterranean-plants-ameliorate-cellular-and-animal-models-of-neurodegenerative-proteinopathies
#15
Michelle Briffa, Stephanie Ghio, Johanna Neuner, Alison J Gauci, Rebecca Cacciottolo, Christelle Marchal, Mario Caruana, Christophe Cullin, Neville Vassallo, Ruben J Cauchi
A signature feature of age-related neurodegenerative proteinopathies is the misfolding and aggregation of proteins, typically amyloid-β (Aβ) in Alzheimer's disease (AD) and α-synuclein (α-syn) in Parkinson's disease (PD), into soluble oligomeric structures that are highly neurotoxic. Cellular and animal models that faithfully replicate the hallmark features of these disorders are being increasing exploited to identify disease-modifying compounds. Natural compounds have been identified as a useful source of bioactive molecules with promising neuroprotective capabilities...
December 2, 2016: Neuroscience Letters
https://www.readbyqxmd.com/read/27919272/enhanced-lipid-and-biomass-production-by-a-newly-isolated-and-identified-marine-microalga
#16
Mouna Dammak, Sandra Mareike Haase, Ramzi Miladi, Faten Ben Amor, Mohamed Barkallah, David Gosset, Chantal Pichon, Bernhard Huchzermeyer, Imen Fendri, Michel Denis, Slim Abdelkafi
BACKGROUND: The increasing demand for microalgae lipids as an alternative to fish has encouraged researchers to explore oleaginous microalgae for food uses. In this context, optimization of growth and lipid production by the marine oleaginous V2-strain-microalgae is of great interest as it contains large amounts of mono-unsaturated (MUFAs) and poly-unsaturated fatty acids (PUFAs). METHODS: In this study, the isolated V2 strain was identified based on 23S rRNA gene...
December 5, 2016: Lipids in Health and Disease
https://www.readbyqxmd.com/read/27918471/polyphenols-and-dna-damage-a-mixed-blessing
#17
REVIEW
Amaya Azqueta, Andrew Collins
Polyphenols are a very broad group of chemicals, widely distributed in plant foods, and endowed with antioxidant activity by virtue of their numerous phenol groups. They are widely studied as putative cancer-protective agents, potentially contributing to the cancer preventive properties of fruits and vegetables. We review recent publications relating to human trials, animal experiments and cell culture, grouping them according to whether polyphenols are investigated in whole foods and drinks, in plant extracts, or as individual compounds...
December 3, 2016: Nutrients
https://www.readbyqxmd.com/read/27917971/pastoralism-in-europe-characteristics-and-challenges-of-highland-lowland-transhumance
#18
K Liechti, J-P Biber
Transhumant pastoralism remains a prevalent form of land use across Europe, especially in mountain areas. Besides generating food and other products, it provides a range of public goods and services that are often highly valued by broader society. But transhumance faces structural challenges associated with life in remote mountain areas, including economic pressures, lack of services, low prestige, and ageing populations. These threaten its future. The decline of transhumant systems leads to ecological, economic, and socio-cultural losses, e...
November 2016: Revue Scientifique et Technique
https://www.readbyqxmd.com/read/27917968/innovations-in-food-preservation-in-pastoral-zones
#19
C Jans, D W Mulwa Kaindi, L Meile
Food preservation makes a significant contribution to food security and food safety in pastoral communities with limited access to external food sources. Raw materials are preserved by heating, drying, smoking, pickling, salting, curing or fermentation with microorganisms. This article describes preservation techniques in the pastoral context, targeting the major dietary components of milk, meat and cereals; related health risks; and potential innovations for food preservation. Sustainable elimination of pathogenic microorganisms, preventing re-contamination, sporulation and the growth of zoonotic and foodborne microorganisms, is necessary to enhance food safety and ensure food security by reducing post-harvest losses and food waste...
November 2016: Revue Scientifique et Technique
https://www.readbyqxmd.com/read/27917960/a-vision-for-the-future-of-pastoralism
#20
J Zinsstag, B Bonfoh, G Zinsstag, L Crump, I O Alfaroukh, M F Abakar, J Kasymbekov, Z Baljinnyam, K Liechti, M A Seid, E Schelling
Pastoral regions are challenged by social and ecological changes. Yet, there is increasingly robust evidence that pastoralism is a viable and sustainable livelihood and that pastoralists play a role in attaining the United Nations Sustainable Development Goals (SDGs). In this issue of the Scientific and Technical Review of the World Organisation for Animal Health (OIE), the authors take a broad view of pastoralism and pastoral livestock production from a number of different perspectives, taking into account societal and ecological viewpoints as well as issues of animal and human health...
November 2016: Revue Scientifique et Technique
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