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https://www.readbyqxmd.com/read/28750049/genome-target-evaluator-gtevaluator-a-workflow-exploiting-genome-dataset-to-measure-the-sensitivity-and-specificity-of-genetic-markers
#1
Arnaud Felten, Laurent Guillier, Nicolas Radomski, Michel-Yves Mistou, Renaud Lailler, Sabrina Cadel-Six
Most of the bacterial typing methods used to discriminate isolates in medical or food safety microbiology are based on genetic markers used as targets in PCR or hybridization experiments. These DNA typing methods are important tools for studying prevalence and epidemiology, for conducting surveillance, investigations and control of biological hazard sources. In that perspective, it is crucial to insure that the chosen genetic markers have the greatest specificity and sensitivity. The wealth of whole-genome sequences available for many bacterial species offers the opportunity to evaluate the performance of these genetic markers...
2017: PloS One
https://www.readbyqxmd.com/read/28749419/consuming-almonds-vs-isoenergetic-baked-food-does-not-differentially-influence-postprandial-appetite-or-neural-reward-responses-to-visual-food-stimuli
#2
R Drew Sayer, Jaapna Dhillon, Gregory G Tamer, Marc-Andre Cornier, Ningning Chen, Amy J Wright, Wayne W Campbell, Richard D Mattes
Nuts have high energy and fat contents, but nut intake does not promote weight gain or obesity, which may be partially explained by their proposed high satiety value. The primary aim of this study was to assess the effects of consuming almonds versus a baked food on postprandial appetite and neural responses to visual food stimuli. Twenty-two adults (19 women and 3 men) with a BMI between 25 and 40 kg/m² completed the current study during a 12-week behavioral weight loss intervention. Participants consumed either 28 g of whole, lightly salted roasted almonds or a serving of a baked food with equivalent energy and macronutrient contents in random order on two testing days prior to and at the end of the intervention...
July 27, 2017: Nutrients
https://www.readbyqxmd.com/read/28748974/cranberries-improve-postprandial-glucose-excursions-in-type-2-diabetes
#3
Jace Schell, Nancy M Betts, Megan Foster, R Hal Scofield, Arpita Basu
Recent research supports a favorable role of cranberries on cardiometabolic health. Postprandial metabolism, especially hyperglycemia, has been shown to be an independent cardiovascular risk and few clinical studies have reported the role of berries in improving postprandial dysmetabolism. We investigated the postprandial effects of dried cranberries following a high-fat breakfast challenge in obese participants with type 2 diabetes (T2DM), in a randomized crossover trial. Blood draw and vascular measurements were conducted at fasting, 1, 2 and 4 hours (h), following the consumption of a fast-food style high-fat breakfast (70 g fat, 974 kcal) with or without cranberries (40 g)...
July 27, 2017: Food & Function
https://www.readbyqxmd.com/read/28748134/genomic-characterization-reconfirms-the-taxonomic-status-of-lactobacillus-parakefiri
#4
Yasuhiro Tanizawa, Hisami Kobayashi, Eli Kaminuma, Mitsuo Sakamoto, Moriya Ohkuma, Yasukazu Nakamura, Masanori Arita, Masanori Tohno
Whole-genome sequencing was performed for Lactobacillus parakefiri JCM 8573(T) to confirm its hitherto controversial taxonomic position. Here, we report its first reliable reference genome. Genome-wide metrics, such as average nucleotide identity and digital DNA-DNA hybridization, and phylogenomic analysis based on multiple genes supported its taxonomic status as a distinct species in the genus Lactobacillus. The availability of a reliable genome sequence will aid future investigations on the industrial applications of L...
2017: Bioscience of Microbiota, Food and Health
https://www.readbyqxmd.com/read/28748002/high-levels-of-circulating-folate-concentrations-are-associated-with-dna-methylation-of-tumor-suppressor-and-repair-genes-p16-mlh1-and-mgmt-in-elderly-chileans
#5
Hugo Sanchez, Mohammad B Hossain, Lydia Lera, Sandra Hirsch, Cecilia Albala, Ricardo Uauy, Karin Broberg, Ana M Ronco
BACKGROUND: Changes in DNA methylation, one of the most studied epigenetic mechanisms, are considered an initial marker for early cancer detection. We evaluated how availability of dietary factors (folates and vitamin B12) involved in one-carbon metabolism may contribute to DNA methylation changes of cancer-related genes in human subjects. METHODS: We studied, by pyrosequencing, the methylation of tumor suppressor gene p16, DNA repair genes MLH1 and MGMT, and the repetitive element LINE-1 (as a surrogate for global DNA methylation), in blood of elderly individuals (n = 249) who had been exposed to folic acid (FA) through FA-fortified wheat flour during the last 12 years...
2017: Clinical Epigenetics
https://www.readbyqxmd.com/read/28746771/highly-enantioselective-production-of-chiral-secondary-alcohols-with-candida-zeylanoides-as-a-new-whole-cell-biocatalyst
#6
Engin Şahin, Enes Dertli
The increasing demand for biocatalysts in synthesizing enantiomerically pure chiral alcohols results from the outstanding characteristics of biocatalysts in reaction, economic, ecological issues. Herein fifteen yeast strains belonging to three food originated yeast species Candida zeylanoides, Pichia fermentans and Saccharomyces uvarum were tested for their capability for asymmetric reduction of acetophenone to 1-phenylethanol as biocatalysts. Of these strains, Candida zeylanoides P1 showed an effective asymmetric reduction ability...
July 26, 2017: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/28746736/defensive-repertoire-of-drosophila-larvae-in-response-to-toxic-fungi
#7
Monika Trienens, Ken Kraaijeveld, Bregje Wertheim
Chemical warfare including insecticidal secondary metabolites is a well-known strategy for environmental microbes to monopolize a food source. Insects in turn have evolved behavioural and physiological defences to eradicate or neutralize the harmful microorganisms. We studied the defensive repertoire of insects in this interference competition by combining behavioural and developmental assays with whole-transcriptome time-series analysis. Confrontation with the toxic filamentous fungus Aspergillus nidulans severely reduced the survival of Drosophila melanogaster larvae...
July 26, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28745092/impact-of-xylose-on-glucose-dehydrogenase-based-blood-glucose-meters-for-patient-self-testing
#8
Andreas Pfützner, Filiz Demircik, Daniela Sachsenheimer, Jan Spatz, Anke H Pfützner, Sanja Ramljak
The pentose xylose is enriched in edible algae, and is increasingly used as a slowly metabolized carbohydrate in functional food. It is known to interfere with glucose-dehydrogenase-based (GDH) blood glucose measurement systems for patients self-testing. The aim of our study was to investigate the extent of xylose interference in commercially available blood glucose meters. A heparinized whole blood sample was manipulated to contain 3 different glucose concentrations (50-80 mg/dL, 130-160 mg/dL, and 250-300 mg/dL) and 4 different xylose concentrations (0 mg/dL, 25 mg/dL, 50 mg/dL, and 100 mg/dL)...
May 2017: Journal of Diabetes Science and Technology
https://www.readbyqxmd.com/read/28745024/diet-quality-in-midadulthood-predicts-visceral-adiposity-and-liver-fatness-in-older-ages-the-multiethnic-cohort-study
#9
Gertraud Maskarinec, Unhee Lim, Simone Jacobs, Kristine R Monroe, Thomas Ernst, Steven D Buchthal, John A Shepherd, Lynne R Wilkens, Loïc Le Marchand, Carol J Boushey
OBJECTIVE: The relationship of diet quality assessed by established indices (HEI-2010, AHEI-2010, aMED, DASH) with adiposity measures was examined, especially visceral adipose tissue (VAT) and nonalcoholic fatty liver (NAFL). METHODS: Close to 2,000 participants of the Multiethnic Cohort completed validated food frequency questionnaires at cohort entry (1993-1996) and clinic visit (2013-2016) when they underwent whole-body dual-energy x-ray absorptiometry and abdominal magnetic resonance imaging scans...
August 2017: Obesity
https://www.readbyqxmd.com/read/28744990/biotechnological-application-of-yeasts-in-food-science-starter-cultures-probiotics-and-enzyme-production
#10
REVIEW
María Arevalo-Villena, Ana Briones-Perez, Maria Rosaria Corbo, Milena Sinigaglia, Antonio Bevilacqua
This review is an account of experiences of two research teams (from Italy and Spain); the leading idea is the following: yeasts represent valuable sources in food science and microbiology and are a kind of food factories, because of the potentiality of whole cells or for their produced compounds. The review covers three major areas: the first section addresses the role of yeasts as starter cultures with a special focus on wine. The second section is an update on probiotic yeasts. Finally, the focus of the last section is on enzymes produced by yeasts, with a short description of the removal of mycotoxin...
July 26, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/28744853/poor-appetite-and-dietary-intake-in-community-dwelling-older-adults
#11
Barbara S van der Meij, Hanneke A H Wijnhoven, Jung S Lee, Denise K Houston, Trisha Hue, Tamara B Harris, Stephen B Kritchevsky, Anne B Newman, Marjolein Visser
BACKGROUND/OBJECTIVES: Poor appetite in older adults leads to sub-optimal food intake and increases the risk of undernutrition. The impact of poor appetite on food intake in older adults is unknown. The aim of this study was to examine the differences in food intake among older community-dwelling adults with different reported appetite levels. DESIGN: Cross-sectional analysis of data from a longitudinal prospective study. SETTING: Health, aging, and body composition study performed in the USA...
July 26, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28740849/end-cycle-sow-carcass-condemnation-in-a-french-slaughterhouse
#12
Pierre-Yves Decaudin, Didier Raboisson, Agnès Waret-Szkuta
Surveillance at an abattoir allows all animals or carcasses that present a potential public health risk to be withdrawn from the human food chain. Whole-carcass condemnation results in important economic losses, not only for the producer but also for other participants in the meat industry. Access to the personal electronic database of an abattoir in France enabled us to run logistic regression models to investigate the risk factors for whole-carcass condemnation of end-cycle sows in that abattoir. When end-cycle sows that were slaughtered and eviscerated between 22 June 2015 and 8 December 2015 (185 days) were considered (n = 19,866), the results highlighted the importance of the total theoretical time off feed, which represents the fasting period from leaving the farm of origin to the time of slaughter (including transportation and waiting time at the abattoir)...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28740489/prophage-integrase-typing-is-a-useful-indicator-of-genomic-diversity-in-salmonella-enterica
#13
Anna Colavecchio, Yasmin D'Souza, Elizabeth Tompkins, Julie Jeukens, Luca Freschi, Jean-Guillaume Emond-Rheault, Irena Kukavica-Ibrulj, Brian Boyle, Sadjia Bekal, Sandeep Tamber, Roger C Levesque, Lawrence D Goodridge
Salmonella enterica is a bacterial species that is a major cause of illness in humans and food-producing animals. S. enterica exhibits considerable inter-serovar diversity, as evidenced by the large number of host adapted serovars that have been identified. The development of methods to assess genome diversity in S. enterica will help to further define the limits of diversity in this foodborne pathogen. Thus, we evaluated a PCR assay, which targets prophage integrase genes, as a rapid method to investigate S...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28738509/ambient-sediment-quality-conditions-in-minnesota-lakes-usa-effects-of-watershed-parameters-and-aquatic-health-implications
#14
Judy L Crane
Surficial sediments were collected from 50 randomly selected Minnesota lakes, plus four a priori reference lakes, in 2007. The lakes encompassed broad geographic coverage of the state and included a variety of major land uses in the surrounding watersheds. Sediment samples were analyzed for a suite of metals, metalloids, persistent organic pollutants, total organic carbon, and particle size fractions. In addition, a small fish survey was conducted to assess PBDEs in both whole fish and fish tissues. Sediment quality in this set of lakes ranged from good (43%) to moderate (57%) based on an integrative measure of multiple contaminants...
July 18, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28737712/an-investigation-of-sensory-specific-satiety-and-food-size-when-children-consume-a-whole-or-diced-vegetable
#15
Jasmine R Goh, Catherine G Russell, Djin G Liem
Children's vegetable consumption is often lower than that needed to promote optimal health and development, and practical approaches for increasing vegetable consumption are needed. Sensory Specific Satiety (SSS) reduces the liking and consumption of a consumed food over the course of an eating occasion and is an important factor in meal termination. The present study aimed to investigate the development of SSS when children ate vegetables of different sizes. The absence of SSS would be an encouraging sign to provide children more vegetables during a meal...
July 24, 2017: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28737204/-celiac-disease-non-celiac-gluten-sensitivity-and-wheat-allergy-comparison-of-3-different-diseases-triggered-by-the-same-food
#16
Catalina Ortiz, Romina Valenzuela, Yalda Lucero A
Gluten and other related proteins of the wheat, rye and barley, have antigenic properties that may trigger adverse reactions in susceptible individuals. Celiac disease was the first pathology with clear causal association related to the intake of these proteins. Recently, wheat allergy and non celiac gluten sensitivity have been described. Although, clinical presentation and its relation with protein ingestion may be similar and elicit confusion, their pathogenic mechanism, diagnosis and treatment are quite different...
June 2017: Revista Chilena de Pediatría
https://www.readbyqxmd.com/read/28737080/sbr-treatment-of-tank-truck-cleaning-wastewater-sludge-characteristics-chemical-and-ecotoxicological-effluent-quality
#17
Michel Caluwé, Thomas Dobbeleers, Dominique Daens, Luc Geuens, Ronny Blust, Jan Dries
A lab scale activated sludge sequencing batch reactor (SBR) was used to treat tank truck cleaning (TTC) wastewater with different operational strategies (identified as different stages). The first stage was an adaptation period for the seed sludge that originated from a continuous fed industrial plant treating TTC wastewater. The first stage was followed by a dynamic reactor operation based on the oxygen uptake rate (OUR). Thirdly, dynamic SBR control based on OUR treated a daily changing influent. Lastly, the reactor was operated with a gradually shortened fixed cycle...
July 24, 2017: Environmental Technology
https://www.readbyqxmd.com/read/28736622/nutrition-and-osteoporosis-prevention-for-the-orthopaedic-surgeon-a-wholefoods-approach
#18
Jennette Higgs, Emma Derbyshire, Kathryn Styles
Osteoporosis is a prevalent and debilitating condition with no signs of subsiding. Rising numbers of people consuming nutrient-poor diets coupled with ageing populations and sedentary lifestyles appear to be the main drivers behind this.While the nutrients calcium and vitamin D have received most attention, there is growing evidence that wholefoods and other micronutrients have roles to play in primary and potentially secondary osteoporosis prevention.Until recently, calcium and vitamin D were regarded as the main nutrients essential to bone health but now there are emerging roles for iron, copper and selenium, among others...
June 2017: EFORT open reviews
https://www.readbyqxmd.com/read/28735851/assessing-beans-as-a-source-of-intrinsic-fiber-on-satiety-in-men-and-women-with-metabolic-syndrome
#19
Elizabeth J Reverri, Jody M Randolph, C Tissa Kappagoda, Eunyoung Park, Indika Edirisinghe, Britt M Burton-Freeman
Dietary fiber is well-known for its satiety inducing properties. Adding fibers to mixed dishes is one way to increase fiber intake. However, adding fibers to foods versus including foods inherently containing fiber may reveal differing effects on satiety. The present study aimed to explore the satiety effects of adding fiber to a mixed meal versus using beans (Phaseolus vulgaris) as a source of intrinsic fiber in the meal. In this pilot study, 12 men and women with metabolic syndrome were randomly assigned to eat three standard meals in a crossover design on three different occasions that contained either no added fiber (control (NF)), extrinsic or added fiber (AF), or whole black beans as the source of intrinsic fiber (BN)...
July 20, 2017: Appetite
https://www.readbyqxmd.com/read/28735739/genome-wide-bisulfite-sensitivity-profiling-of-yeast-suggests-bisulfite-inhibits-transcription
#20
Romulo Segovia, Veena Mathew, Annie S Tam, Peter C Stirling
Bisulfite, in the form of sodium bisulfite or metabisulfite, is used commercially as a food preservative. Bisulfite is used in the laboratory as a single-stranded DNA mutagen in epigenomic analyses of DNA methylation. Recently it has also been used on whole yeast cells to induce mutations in exposed single-stranded regions in vivo. To understand the effects of bisulfite on live cells we conducted a genome-wide screen for bisulfite sensitive mutants in yeast. Screening the deletion mutant array, and collections of essential gene mutants we define a genetic network of bisulfite sensitive mutants...
September 2017: Mutation Research
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