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https://www.readbyqxmd.com/read/28340327/polymorphic-responses-of-medicago-truncatula-accessions-to-potassium-deprivation
#1
Kevin Garcia, Jean-Michel Ané
Potassium (K(+)) is an essential macronutrient for plants and the most abundant cation in cells. Due to variable K(+) availability in the environment, plants must be able to adjust their developmental, physiological and transcriptional responses. The plant development to K(+) deprivation was not well studied in legumes thus far. We recently described the first adaptation mechanisms of the model legume Medicago truncatula Jemalong A17 to long-term K(+) deprivation and analyzed these responses in the context of arbuscular mycorrhizal symbiosis...
March 24, 2017: Plant Signaling & Behavior
https://www.readbyqxmd.com/read/28338870/stmyb44-negatively-regulates-phosphate-transport-by-suppressing-expression-of-phosphate1-in-potato
#2
Xiangjun Zhou, Manrong Zha, Jing Huang, Li Li, Muhammad Imran, Cankui Zhang
Phosphorus is an important macronutrient for plant growth, but often deficient in soil. To understand the molecular basis of the complex responses of potato (Solanum tuberosum L.) to phosphate (Pi) deficiency stress, the RNA-Seq approach was taken to identify genes responding to Pi starvation in potato roots. A total of 359 differentially expressed genes were identified, among which the Solanum tuberosum transcription factor gene MYB44 (StMYB44) was found to be down-regulated by Pi starvation. StMYB44 was ubiquitously expressed in potato tissues and organs, and StMYB44 protein was exclusively localized in the nucleus...
March 1, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28338828/validity-of-a-dietary-questionnaire-assessed-by-comparison-with-multiple-weighed-dietary-records-or-24-hour-recalls
#3
Changzheng Yuan, Donna Spiegelman, Eric B Rimm, Bernard A Rosner, Meir J Stampfer, Junaidah B Barnett, Jorge E Chavarro, Amy F Subar, Laura K Sampson, Walter C Willett
The authors evaluated the validity of a 152-item semiquantitative food frequency questionnaire (SFFQ) by comparing it with two 7-day dietary records (7DDRs) or up to 4 automated self-administered 24-hour recalls (ASA24s) over a 1-year period in the women's Lifestyle Validation Study (2010-2012), conducted among subgroups of the Nurses' Health Studies. Intakes of energy and 44 nutrients were assessed using the 3 methods among 632 US women. Compared with the 7DDRs, SFFQ responses tended to underestimate sodium intake but overestimate intakes of energy, macronutrients, and several nutrients in fruits and vegetables, such as carotenoids...
February 25, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28338063/greater-postprandial-glucose-excursions-and-inadequate-nutrient-intake-in-youth-with-type-1-diabetes-and-celiac-disease
#4
Anna Pham-Short, Kim C Donaghue, Geoffrey Ambler, Sarah Garnett, Maria E Craig
The gluten free diet (GFD) has a high glycemic index and low-fiber content, which potentially influences glycemic excursions in type 1 diabetes (T1D) and celiac disease (CD). Participants in this case-control study of youth with T1D+CD (n = 10) and T1D only (n = 7) wore blinded continuous glucose monitoring systems for six days. Blood glucose levels (BGLs) were compared between groups for each meal, including pre-meal, peak, 2-hour postprandial and time-to-peak. Participants consumed a test-breakfast of GF cereal and milk for three days and kept weighed food diaries; nutrient intake was analyzed and compared to national recommendations...
March 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28336557/catechins-as-potential-mediators-of-cardiovascular-health
#5
REVIEW
Daniel R Mangels, Emile R Mohler
The impact of diet on cardiovascular disease has become an increasingly relevant topic as ongoing epidemiological evidence continues to demonstrate clear associations with disease burden and mortality. Certain diets, such as those high in sodium and saturated fat, are associated with cardiovascular disease states, while other diets can be cardioprotective. However, there is limited knowledge on how the micro- and macronutrients within such cardioprotective diets afford their benefits. One such micronutrient is the catechin class, which are naturally occurring compounds in plant foods, such as teas, cocoa, wine, pears, and apples...
March 23, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28336391/serum-high-c-reactive-protein-concentrations-are-related-to-the-intake-of-dietary-macronutrients-and-fiber-findings-from-a-large-representative-persian-population-sample
#6
Sayyed Saeid Khayyatzadeh, Seyyed Mohammad Reza Kazemi-Bajestani, Mohammad Bagherniya, Mehraneh Mehramiz, Maryam Tayefi, Mahmoud Ebrahimi, Gordon A Ferns, Mohammad Safarian, Majid Ghayour-Mobarhan
OBJECTIVE: Serum high-sensitivity CRP is a marker of inflammation and an independent predictor of chronic diseases. However, the effect of diet on serum hs-CRP is unclear. The aim of this study was to investigate the relationship between dietary macronutrient intake and serum hs-CRP. DESIGN AND METHODS: We recruited 9778 adults, aged 35-65years as part of the MASHAD study. Dietary intake was determined using 24-hour dietary recall and several biochemical parameters including serum hs-CRP were measured...
March 20, 2017: Clinical Biochemistry
https://www.readbyqxmd.com/read/28336334/agricultural-utilization-of-biosolids-a-review-on-potential-effects-on-soil-and-plant-grown
#7
REVIEW
Bhavisha Sharma, Abhijit Sarkar, Pooja Singh, Rajeev Pratap Singh
Environmental and economic implications linked with the proper ecofriendly disposal of modern day wastes, has made it essential to come up with alternative waste management practices that reduce the environmental pressures resulting from unwise disposal of such wastes. Urban wastes like biosolids are loaded with essential plant nutrients. In this view, agricultural use of biosolids would enable recycling of these nutrients and could be a sustainable approach towards management of this hugely generated waste...
March 20, 2017: Waste Management
https://www.readbyqxmd.com/read/28334407/organismal-and-spatial-partitioning-of-energy-and-macronutrient-transformations-within-a-hypersaline-mat
#8
Jennifer M Mobberley, Stephen R Lindemann, Hans C Bernstein, James J Moran, Ryan S Renslow, Jerome Babauta, Dehong Hu, Haluk Beyenal, William C Nelson
Phototrophic mat communities are model ecosystems for studying energy cycling and elemental transformations because complete biogeochemical cycles occur over millimeter-to-centimeter scales. Characterization of energy and nutrient capture within hypersaline phototrophic mats has focused on specific processes and organisms, however little is known about community-wide distribution of and linkages between these processes. To investigate energy and macronutrient capture and flow through a structured community, the spatial and organismal distribution of metabolic functions within a compact hypersaline mat community from Hot Lake have been broadly elucidated through species-resolved metagenomics and geochemical, microbial diversity, and metabolic gradient measurements...
March 15, 2017: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/28333766/dietary-inadequacies-in-hiv-infected-and-uninfected-school-aged-children-in-johannesburg-south-africa
#9
Stephanie Shiau, Acadia Webber, Renate Strehlau, Faeezah Patel, Ashraf Coovadia, Samantha Kozakowski, Susan Brodlie, Michael T Yin, Louise Kuhn, Stephen M Arpadi
OBJECTIVES: The World Health Organization (WHO) recommends that HIV-infected children increase energy intake and maintain a balanced macronutrient distribution for optimal growth and nutrition. Few studies have evaluated dietary intake of HIV-infected children in resource-limited settings. METHODS: We conducted a cross-sectional analysis of the dietary intake of 220 perinatally HIV-infected children and 220 HIV-uninfected controls ages 5-9 years in Johannesburg, South Africa...
March 22, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28333161/essential-fatty-acid-deficiency-during-parenteral-soybean-oil-lipid-minimization
#10
K D Ernst
OBJECTIVE: To determine if parenteral lipid minimization in infants results in essential fatty acid (EFA) deficiency. STUDY DESIGN: Prospective study of infants >30 days old and >34 weeks postmenstrual age receiving parenteral lipid minimization (<1.5 g kg(-1) per day) with either soybean oil or fish oil and >90% of total nutritional intake parenterally in the 14 days before a serum EFA sample. Nonparametric tests were used for statistical analyses with significance at 0...
March 23, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/28332819/a-path-to-impact-for-autonomous-field-deployable-chemical-sensors-a-case-study-of-in-situ-nitrite-sensors
#11
Tim M Schierenbeck, Matthew C Smith
Natural freshwater systems have been severely affected by excess loading of macronutrients (e.g., nitrogen and phosphorous) from fertilizers, fossil fuels, and human and livestock waste. In the USA, impacts to drinking water quality, biogeochemical cycles, and aquatic ecosystems are estimated to cost US$210 billion annually. Field-deployable nutrient sensors (FDS) offer potential to support research and resource management efforts by acquiring higher resolution data than are currently supported by expensive conventional sampling methods...
March 23, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28329567/acquired-acrodermatitis-enteropathica-after-gastric-bypass-surgery-responsive-to-iv-supplementation
#12
Jasmine Rana, Molly Plovanich, Elizabeth B Wallace, Chao Yang, Alvaro Laga Canales, Arash Mostaghimi
Nutritional deficiency is rare in developed countries, but can be acquired from decreased nutrient intake, reduced absorption, and increased gastrointestinal excretion. We report a patient with acquired acrodermatitis enteropathica (AE) who exhibited low plasma zinc levels and concurrent nutritional deficiencies (pyridoxine, selenium and fatty acids). Our patient had undergone Roux-en-Y gastric bypass 13 years prior to presentation. The rash, consistent with AE clinically and histologically, nearly resolved one week after starting IV zinc supplementation, total parenteral nutrition, and micronutrient supplements...
November 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28328235/breakfast-skipping-anxiety-exercise-and-soda-consumption-are-associated-with-diet-quality-in-mexican-college-students
#13
Laura Hall, Luz María Tejada-Tayabas, Joel Monárrez-Espino
ABSTEACT Despite the reported poor dietary habits and risk of weight gain in college students, they remain understudied in Mexico. Mexican college students are in a rapidly changing economic environment; a shift from a traditional, homemade cuisine to a diet more heavily influenced by an industrialized culture seems to be occurring, potentially affecting the quality of their dietary intake. A health and nutrition survey was conducted among 450 Mexican college students to study the relationship between sociodemographic factors and diet quality...
March 22, 2017: Ecology of Food and Nutrition
https://www.readbyqxmd.com/read/28325542/the-influence-of-ethnicity-and-glucose-tolerance-status-on-subjective-hunger-sensations-and-prospective-food-intake-in-overweight-and-obese-asian-and-european-australians
#14
Leilani Muhardi, Yun Zhao, Vicky Solah, Susan Fyfe, Mario J Soares
AIMS: To examine the influence of ethnicity and glucose tolerance status on subjective sensations and food intake in overweight/obese Asian and European Australians. METHODS: 18 Asians and 26 Europids were classified as normal glucose tolerance (NGT) and impaired glucose tolerance (IGT) based on serial measures of finger-prick glucose following an oral glucose tolerance test (OGTT). Subjective sensations of hunger and satiety were measured before and every 15min after the OGTT using a visual analogue scale (VAS)...
March 6, 2017: Diabetes & Metabolic Syndrome
https://www.readbyqxmd.com/read/28323975/muscle-sympathetic-nerve-activity-is-associated-with-elements-of-the-plasma-lipidomic-profile-in-young-asian-adults
#15
Nina Eikelis, Elisabeth A Lambert, Sarah Phillips, Carolina Ika Sari, Piyushkumar A Mundra, Jacquelyn M Weir, Kevin Huynh, Mariee T Grima, Nora E Straznicky, John B Dixon, Markus P Schlaich, Peter J Meikle, Gavin W Lambert
Background: Asian subjects are at increased cardio-metabolic risk at comparatively lower BMI compared with Caucasians. Sympathetic nervous system activation and dyslipidaemia, both characteristics of increased adiposity, appear to be related. We therefore analysed the association of muscle sympathetic nerve activity (MSNA) with the plasma lipidomic profile in young Asian and Caucasian subjects. Methods: Blood samples were collected from 101 participants of either Asian or Caucasian background, aged 18-30, BMI 28...
March 15, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28323574/the-effects-of-an-increased-calorie-breakfast-consumed-prior-to-simulated-match-play-in-academy-soccer-players
#16
Marc A Briggs, Liam D Harper, Ged McNamee, Emma Cockburn, Penny L S Rumbold, Emma J Stevenson, Mark Russell
Dietary analysis of Academy soccer players highlights that total energy and carbohydrate intakes are less than optimal, especially, on match-days. As UK Academy matches predominantly kick-off at ∼11:00 h, breakfast is likely the last pre-exercise meal and thus may provide an intervention opportunity on match-day. Accordingly, the physiological and performance effects of an increased calorie breakfast consumed ∼135-min before soccer-specific exercise was investigated. English Premier League Academy soccer players (n = 7) repeated a 90-min soccer match simulation on two occasions after consumption of habitual (Bhab; ∼1100 kJ) or increased (Binc; ∼2100 kJ) energy breakfasts standardised for macronutrient contributions (∼60% carbohydrates, ∼15% proteins and ∼25% fats)...
March 21, 2017: European Journal of Sport Science
https://www.readbyqxmd.com/read/28323074/an-obesogenic-refined-low-fat-diet-disrupts-attentional-and-behavioral-control-processes-in-a-vigilance-task-in-rats
#17
Aaron P Blaisdell, Traci Biedermann, Eric Sosa, Ava Abuchaei, Neveen Youssef, Sylvie Bradesi
Diets consisting of refined foods (REF) are associated with poor physical (e.g., obesity and diabetes) and mental (e.g., depression) health and impaired cognition. Few animal studies have explored the causal links between diet processing and health. Instead, most studies focus on the role of macronutrients, especially carbohydrate and fat concurrently with how processed are the ingredients. We previously showed that a REF low fat diet (LFD) caused greater adiposity and impaired motivation compared to an unrefined control (CON) diet consisting of similar macronutrient ratios (Blaisdell et al...
March 18, 2017: Behavioural Processes
https://www.readbyqxmd.com/read/28323059/what-is-a-nutritious-snack-level-of-processing-and-macronutrient-content-influences-young-adults-perceptions
#18
Nienke M de Vlieger, Clare Collins, Tamara Bucher
Snacking has become more prevalent in developed countries. While poor food choices pose health risks, nutritious choices contribute important nutrients to overall dietary intakes. Young adults consumer snacks frequently and nutritious choices should be promoted among this group. However, how young adults define the term 'nutritious' currently and how they evaluate the nutritiousness of various snack foods required further investigation. The current study used a mixed methods design with 115 young adults invited to sort 32 commonly available snack foods into a line ranging from 'not nutritious' to 'very nutritious'...
March 17, 2017: Appetite
https://www.readbyqxmd.com/read/28322630/energy-macronutrient-and-water-intake-during-a-mountain-ultramarathon-event-the-influence-of-distance
#19
Sonia Martinez, Antoni Aguilo, Lluis Rodas, Leticia Lozano, Carlos Moreno, Pedro Tauler
Adequate dietary strategies are essential for the successful participation in ultra-endurance races. The aim of this study was to evaluate and compare the energy and water intakes of participants during three different mountain ultra-endurance runs. The study took place at the "Ultra Mallorca Serra de Tramuntana" (Mallorca, Spain), an ultra-endurance mountain event with runners participating either in a 44-km (Marathon, n = 51), a 67-km (Trail, n = 109) or a 112-km (Ultra, n = 53) run competition. Participants in the study answered a questionnaire focused on the nutritional intake within an hour after finishing the competition...
March 21, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28320633/nutritional-status-nutrient-intake-and-use-of-enzyme-supplements-in-paediatric-patients-with-cystic-fibrosis-a-european-multicentre-study-with-reference-to-current-guidelines
#20
Joaquim Calvo-Lerma, Jessie M Hulst, Inês Asseiceira, Ine Claes, Maria Garriga, Carla Colombo, Victoria Fornés, Sandra Woodcock, Tiago Martins, Mieke Boon, Mar Ruperto, Sylvia Walet, Chiara Speziali, Peter Witters, Etna Masip, Celeste Barreto, Kris de Boeck, Carmen Ribes-Koninckx
BACKGROUND: The New European guidelines have established the most updated recommendations on nutrition and pancreatic enzyme replacement therapy (PERT) in CF. In the context of MyCyFAPP project - a European study in children with CF aimed at developing specific tools for improvement of self-management - the objective of the current study was to assess nutritional status, daily energy and macronutrient intake, and PERT dosing with reference to these new guidelines. METHODS: Cross sectional study in paediatric patients with CF from 6 European centres...
March 17, 2017: Journal of Cystic Fibrosis: Official Journal of the European Cystic Fibrosis Society
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