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https://www.readbyqxmd.com/read/28343270/magnetic-field-discrimination-learning-and-memory-in-the-yellow-stingray-urobatis-jamaicensis
#1
Kyle C Newton, Stephen M Kajiura
Elasmobranch fishes (sharks, skates, and rays) have been hypothesized to use the geomagnetic field as a cue for orienting and navigating across a wide range of spatial scales. Magnetoreception has been demonstrated in many invertebrate and vertebrate taxa, including elasmobranchs, but this sensory modality and the cognitive abilities of cartilaginous fishes are poorly studied. Wild caught yellow stingrays, Urobatis jamaicensis (N = 8), underwent conditioning to associate a magnetic stimulus with a food reward in order to elicit foraging behaviors...
March 25, 2017: Animal Cognition
https://www.readbyqxmd.com/read/28340273/genetic-diversity-and-selection-of-common-bean-lines-based-on-technological-quality-and-biofortification
#2
S de M Steckling, N D Ribeiro, F D Arns, H C Mezzomo, M T D F Possobom
The development of common bean cultivars with high technological quality that are biofortified with minerals, is required to meet the demand for food with health benefits. The objectives of this study were to evaluate whether common bean genotypes differ in terms of technological and mineral biofortification traits, to study the correlations between these characters, to analyze the genetic dissimilarity of common bean genotypes, and to select superior lines for these traits. For this, 14 common bean genotypes were evaluated in experiments conducted in three growing seasons in the Rio Grande do Sul State, Brazil...
March 22, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28339349/is-triclosan-a-neurotoxic-agent
#3
Joanna A Ruszkiewicz, Shaojun Li, Maliya B Rodriguez, Michael Aschner
Triclosan (TCS) is an antibacterial agent that has been used in many products since 1960s. Given its broad usage as an antiseptic TCS is present ubiquitously in the environment. Trace levels of TCS continue to be detected in many organisms, and it has been shown to be particularly toxic to aquatic species. The mechanisms underlying TCS-mediated toxicity include hormone dyshomeostasis, induction of oxidative stress, apoptosis and inflammation. Although TCS has been considered to be non-toxic to mammals, the adverse effects of continuous, long-term and low concentration exposure remain unknown...
2017: Journal of Toxicology and Environmental Health. Part B, Critical Reviews
https://www.readbyqxmd.com/read/28337847/efficacy-of-environmental-and-acceptance-based-enhancements-to-behavioral-weight-loss-treatment-the-enact-trial
#4
Meghan L Butryn, Evan M Forman, Michael R Lowe, Amy A Gorin, Fengqing Zhang, Katherine Schaumberg
OBJECTIVE: This study was designed to compare weight loss through a traditional behavioral treatment (BT) approach that integrated skills for managing the obesogenic food environment (BT + E) with an approach that integrated environmental and acceptance-based skills (BT + EA). Moderators were examined as an exploratory aim. METHODS: Adults (N = 283) were randomly assigned to treatment condition and provided with 26 group-based sessions over the course of 12 months...
March 23, 2017: Obesity
https://www.readbyqxmd.com/read/28337186/genotypes-associated-with-listeria-monocytogenes-isolates-displaying-impaired-or-enhanced-tolerances-to-cold-salt-acid-or-desiccation-stress
#5
Patricia Hingston, Jessica Chen, Bhavjinder K Dhillon, Chad Laing, Claire Bertelli, Victor Gannon, Taurai Tasara, Kevin Allen, Fiona S L Brinkman, Lisbeth Truelstrup Hansen, Siyun Wang
The human pathogen Listeria monocytogenes is a large concern in the food industry where its continuous detection in food products has caused a string of recalls in North America and Europe. Most recognized for its ability to grow in foods during refrigerated storage, L. monocytogenes can also tolerate several other food-related stresses with some strains possessing higher levels of tolerances than others. The objective of this study was to use a combination of phenotypic analyses and whole genome sequencing to elucidate potential relationships between L...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28337185/food-like-growth-conditions-support-production-of-active-vitamin-b12-by-propionibacterium-freudenreichii-2067-without-dmbi-the-lower-ligand-base-or-cobalt-supplementation
#6
Paulina Deptula, Bhawani Chamlagain, Minnamari Edelmann, Panchanit Sangsuwan, Tuula A Nyman, Kirsi Savijoki, Vieno Piironen, Pekka Varmanen
Propionibacterium freudenreichii is a traditional dairy bacterium and a producer of short chain fatty acids (propionic and acetic acids) as well as vitamin B12. In food applications, it is a promising organism for in situ fortification with B12 vitamin since it is generally recognized as safe (GRAS) and it is able to synthesize biologically active form of the vitamin. In the present study, vitamin B12 and pseudovitamin biosynthesis by P. freudenreichii was monitored by UHPLC as a function of growth in food-like conditions using a medium mimicking cheese environment, without cobalt or 5,6-dimethylbenzimidazole (DMBI) supplementation...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28336467/an-evaluation-of-portion-size-estimation-aids-consumer-perspectives-on-their-effectiveness
#7
Gemma P Faulkner, M Barbara E Livingstone, L Kirsty Pourshahidi, Michelle Spence, Moira Dean, Sinead O'Brien, Eileen R Gibney, Julie M W Wallace, Tracy A McCaffrey, Maeve A Kerr
OBJECTIVE: This qualitative study aimed to investigate consumer opinions on the usefulness of portion size estimation aids (PSEA); consumer preferences in terms of format and context for use; and the level of detail of guidance considered necessary for the effective application of PSEA. DESIGN: Six focus groups (three to eight participants per group) were conducted to elicit views on PSEA. The discussions were recorded, transcribed verbatim and analysed by two independent researchers using a template approach...
March 20, 2017: Appetite
https://www.readbyqxmd.com/read/28336061/enzymes-as-sensors
#8
Maria Staiano, Angela Pennacchio, Antonio Varriale, Alessandro Capo, Adelia Majoli, Clotilde Capacchione, Sabato D'Auria
Over the last few decades the development of new technologies, the fabrication of new materials, and the introduction of nanotechnologies created new trends in a series of advances that produced innovations in biological sensing devices with a wide range of application from health, security, defense, food, and medicine, to the environment. Specificity, low cost, rapidity, sensitivity, and multiplicity are some of the reasons for their growth, and their commercial success is expected to increase in the next future...
2017: Methods in Enzymology
https://www.readbyqxmd.com/read/28335502/catechins-and-their-therapeutic-benefits-to-inflammatory-bowel-disease
#9
REVIEW
Fei-Yan Fan, Li-Xuan Sang, Min Jiang
Catechins are natural polyphenolic phytochemicals that exist in food and medicinal plants, such as tea, legume and rubiaceae. An increasing number of studies have associated the intake of catechins-rich foods with the prevention and treatment of chronic diseases in humans, such as inflammatory bowel disease (IBD). Some studies have demonstrated that catechins could significantly inhibit the excessive oxidative stress through direct or indirect antioxidant effects and promote the activation of the antioxidative substances such as glutathione peroxidases (GPO) and glutathione (GSH), reducing the oxidative damages to the colon...
March 19, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28335438/the-food-production-environment-and-the-development-of-antimicrobial-resistance-in-human-pathogens-of-animal-origin
#10
REVIEW
Manjusha Lekshmi, Parvathi Ammini, Sanath Kumar, Manuel F Varela
Food-borne pathogens are a serious human health concern worldwide, and the emergence of antibiotic-resistant food pathogens has further confounded this problem. Once-highly-efficacious antibiotics are gradually becoming ineffective against many important pathogens, resulting in severe treatment crises. Among several reasons for the development and spread of antimicrobial resistance, their overuse in animal food production systems for purposes other than treatment of infections is prominent. Many pathogens of animals are zoonotic, and therefore any development of resistance in pathogens associated with food animals can spread to humans through the food chain...
March 14, 2017: Microorganisms
https://www.readbyqxmd.com/read/28334847/utilization-and-environmental-availability-of-food-outlets-and-overweight-obesity-among-schoolchildren-in-a-city-in-the-south-of-brazil
#11
Elizabeth Nappi Corrêa, Camila Elizandra Rossi, Janaina das Neves, Diego Augusto Santos Silva, Francisco de Assis Guedes de Vasconcelos
Among the causes of obesity, environmental factors have also been studied, in addition to genetic, social, psychological, and hormonal factors. The distribution of food outlets, facilitating or hindering food acquisition, can promote body weight control by encouraging healthier food habits. The objective of this study was to investigate associations between environmental availability and utilization of food outlets and overweight/obesity in 7 to 14-year-old schoolchildren in Florianópolis, in the South of Brazil...
March 2, 2017: Journal of Public Health
https://www.readbyqxmd.com/read/28334647/arsenic-load-in-rice-ecosystem-and-its-mitigation-through-deficit-irrigation
#12
Arkabanee Mukherjee, M Kundu, B Basu, B Sinha, M Chatterjee, M Das Bairagya, U K Singh, S Sarkar
Rice the staple food is a notable intake source of arsenic to the rural population of eastern India through food-chain. A field survey was carried out to study the variation of arsenic load in different parts of rice genotype Shatabdi (most popular genotype of the region) exposed to varying level of arsenic present in the irrigation water and soil. As irrigation is the primary source of arsenic contamination, a study was conducted to assess arsenic load in rice ecosystem under deficit irrigation practices like intermittent ponding (IP), saturation (SAT) and aerobic (AER) imposed during stress allowable stage (16-40 days after transplanting) of the crop (genotype Shatabdi)...
March 20, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28334209/comparative-study-of-chemosensory-organs-of-shrimp-from-hydrothermal-vent-and-coastal-environments
#13
Magali Zbinden, Camille Berthod, Nicolas Montagné, Julia Machon, Nelly Léger, Thomas Chertemps, Nicolas Rabet, Bruce Shillito, Juliette Ravaux
The detection of chemical signals is involved in a variety of crustacean behaviors, such as social interactions, search and evaluation of food and navigation in the environment. At hydrothermal vents, endemic shrimp may use the chemical signature of vent fluids to locate active edifices, however little is known on their sensory perception in these remote deep-sea habitats. Here, we present the first comparative description of the sensilla on the antennules and antennae of 4 hydrothermal vent shrimp (Rimicaris exoculata, Mirocaris fortunata, Chorocaris chacei, and Alvinocaris markensis) and of a closely related coastal shrimp (Palaemon elegans)...
February 22, 2017: Chemical Senses
https://www.readbyqxmd.com/read/28333184/analysis-of-blashv-12-carrying-escherichia-coli-clones-and-plasmids-from-human-animal-and-food-sources
#14
Carla Andrea Alonso, Geovana Brenner Michael, Jun Li, Sergio Somalo, Carmen Simón, Yang Wang, Heike Kaspar, Kristina Kadlec, Carmen Torres, Stefan Schwarz
Objectives: This study aimed at characterizing 23 Escherichia coli isolates from various sources and their respective bla SHV-12 -carrying plasmids and sequencing one of these plasmids completely. Methods: Isolates were typed by XbaI-PFGE, MLST and PCR-based phylotyping. Transformed bla SHV-12 -carrying plasmids were examined by replicon typing, S1-nuclease, conjugation, EcoRI-HindIII-BamHI digests and plasmid MLST. Co-located resistance genes and integrons as well as the bla SHV-12 genetic environment were analysed by PCR and sequencing...
February 17, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28331990/a-patient-s-perception-of-their-hospital-stay-influences-the-functional-outcome-and-satisfaction-of-total-knee-arthroplasty
#15
N D Clement, D Macdonald, R Burnett, A H R W Simpson, C R Howie
INTRODUCTION: To assess whether patient satisfaction with their hospital stay influences the early outcome of total knee arthroplasty (TKA). METHODS: During a 5-year period patients undergoing primary TKA at the study centre had prospective outcome data recorded (n = 2264). The Oxford knee score (OKS) and the short form (SF)-12 were recorded pre-operatively and 1 year post-operatively when satisfaction with their TKA was also assessed. Patient satisfaction with their hospital stay was also evaluated and their reasons for it were qualitatively documented...
March 22, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28331944/modulation-of-fatty-acid-composition-and-growth-in-sporosarcina-species-in-response-to-temperatures-and-exogenous-branched-chain-amino-acids
#16
Kentaro Tsuda, Hideaki Nagano, Akinori Ando, Jun Shima, Jun Ogawa
Psychrotolerant endospore-forming Sporosarcina species have been predominantly isolated from minced fish meat (surimi), which is stored under refrigeration after heat treatment. To develop a better method for preserving surimi-based food products, we studied the growth and fatty acid compositions of the isolated strain S92h as well as Sporosarcina koreensis and Sporosarcina aquimarina at cold and moderate temperatures. The growth rates of strain S92h and S. koreensis were the fastest and slowest at cold temperatures, respectively, although these strains grew at a similar rate at moderate temperatures...
March 22, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28331618/movement-of-leopard-tortoises-in-response-to-environmental-and-climatic-variables-in-a-semi-arid-environment
#17
Martyn Drabik-Hamshare, Colleen T Downs
BACKGROUND: Tortoises (Testudinidae) occur in a wide range of environments, providing important ecosystem functions, such as seed dispersal and refuge in the form of burrows. Tortoise movement has previously been shown to be related to resource availability, reproductive status and local environmental conditions. However, understanding of the variables that drive their movement remains comparatively low. We investigated aspects of movement in leopard tortoises Stigmochelys pardalis-the largest and most abundant tortoise species in sub-Saharan Africa-in response to environmental, climatic and individual variables in the semi-arid Karoo, South Africa...
2017: Movement Ecology
https://www.readbyqxmd.com/read/28331551/environmental-costs-and-benefits-of-growing-miscanthus-for-bioenergy-in-the-uk
#18
REVIEW
Jon P McCalmont, Astley Hastings, Niall P McNamara, Goetz M Richter, Paul Robson, Iain S Donnison, John Clifton-Brown
Planting the perennial biomass crop Miscanthus in the UK could offset 2-13 Mt oil eq. yr(-1), contributing up to 10% of current energy use. Policymakers need assurance that upscaling Miscanthus production can be performed sustainably without negatively impacting essential food production or the wider environment. This study reviews a large body of Miscanthus relevant literature into concise summary statements. Perennial Miscanthus has energy output/input ratios 10 times higher (47.3 ± 2.2) than annual crops used for energy (4...
March 2017: Global Change Biology. Bioenergy
https://www.readbyqxmd.com/read/28331534/ford-and-edison-in-a-modern-regulatory-environment-the-first-in-human-trial-of-night-work-and-artificial-light
#19
EDITORIAL
Thomas C Erren, David M Shaw, Ursula Wild, J Valérie Groß
A thought experiment places Henry Ford and Thomas Alva Edison in a modern regulatory environment. In a utopian occupational world devoid of night-shifts or artificial light, Ford wants to experiment with "working through the night". To support Ford's project, Edison offers his patented electric lamps to "turn nights into days". An ethics committee [EC] does not approve the night-work experiment and Utopia's Food and Drug Administration [FDA] does not approve the potential medical device as safe for use by humans...
2017: Journal of Occupational Medicine and Toxicology
https://www.readbyqxmd.com/read/28330733/what-do-children-eat-in-the-summer-a-direct-observation-of-summer-day-camps-that-serve-meals
#20
Erica L Kenney, Rebekka M Lee, Carolyn J Brooks, Angie L Cradock, Steven L Gortmaker
BACKGROUND: More than 14 million children in the United States attend summer camp annually, yet little is known about the food environment in day camps. OBJECTIVE: Our aim was to describe the nutritional quality of meals served to, brought by, and consumed by children attending summer day camps serving meals and snacks, and to describe camp water access. DESIGN: We conducted a cross-sectional study. PARTICIPANTS/SETTINGS: Participants were 149 children attending five summer camps in Boston, MA, in 2013...
March 16, 2017: Journal of the Academy of Nutrition and Dietetics
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