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Nutrition/nutrients

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https://www.readbyqxmd.com/read/29156647/effects-of-nutritional-interventions-during-pregnancy-on-infant-and-child-cognitive-outcomes-a-systematic-review-and-meta-analysis
#1
REVIEW
Rachael M Taylor, Shanna M Fealy, Alessandra Bisquera, Roger Smith, Clare E Collins, Tiffany-Jane Evans, Alexis J Hure
BACKGROUND: Epidemiological studies have demonstrated that folate, iodine and iron intake during pregnancy impacts on foetal brain development and cognitive function. However, in human studies, the relationship with other dietary nutrients is less clear. OBJECTIVE: This systematic review aims to critically appraise the current literature and meta-analyses results from nutritional interventions during pregnancy that aimed to optimise infant and child cognitive outcomes...
November 20, 2017: Nutrients
https://www.readbyqxmd.com/read/29155255/the-role-of-epigenetics-in-cardiovascular-health-and-aging-a-focus-on-physical-activity-and-nutrition
#2
REVIEW
Robert G Wallace, Laura C Twomey, Marc-Antoine Custaud, Jonathan Turner, Niall Moyna, Philip M Cummins, Ronan P Murphy
The cardiovascular system is responsible for transport of blood and nutrients to tissues, and is pivotal to the physiological health and longevity. Epigenetic modification is a natural, age-associated process resulting in highly contextualised gene expression with clear implications for cell differentiation and disease onset. Biological/epigenetic age is independent of chronological age, constituting a highly reflective snapshot of an individual's overall health. Accelerated vascular aging is of major concern, effectively lowering disease threshold...
November 16, 2017: Mechanisms of Ageing and Development
https://www.readbyqxmd.com/read/29154043/the-cause-and-effect-of-cryptococcus-interactions-with-the-host
#3
REVIEW
Elizabeth R Ballou, Simon A Johnston
Upon Cryptococcus neoformans infection of the host lung, the fungus enters a nutrient poor environment and must adapt to a variety of host-specific stress conditions (temperature, nutrient limitation, pH, CO2). Fungal spores enter this milieu with limited nutritional reserves, germinate, and begin proliferating by budding as yeast. Although relatively little is known about the initial stages of infection, recent work has characterized changes that occur upon germination. This program and subsequent yeast-phase proliferation progress in a dynamic environment as host nutrient immunity responds to the infection via toxic accumulation or sequestration of essential micronutrients and innate immune cells are recruited to the site of infection...
November 15, 2017: Current Opinion in Microbiology
https://www.readbyqxmd.com/read/29153399/fungal-gene-cluster-diversity-and-evolution
#4
Jason C Slot
Metabolic gene clusters (MGCs) have provided some of the earliest glimpses at the biochemical machinery of yeast and filamentous fungi. MGCs encode diverse genetic mechanisms for nutrient acquisition and the synthesis/degradation of essential and adaptive metabolites. Beyond encoding the enzymes performing these discrete anabolic or catabolic processes, MGCs may encode a range of mechanisms that enable their persistence as genetic consortia; these include enzymatic mechanisms to protect their host fungi from their inherent toxicities, and integrated regulatory machinery...
2017: Advances in Genetics
https://www.readbyqxmd.com/read/29153161/a-100-year-review-a-century-of-dairy-heifer-research
#5
A J Heinrichs, G I Zanton, G J Lascano, C M Jones
The years 1917 to 2017 saw many advances in research related to the dairy heifer, and the Journal of Dairy Science currently publishes more than 20 articles per year focused on heifers. In general, nutrition and management changes made in rearing the dairy heifer have been tremendous in the past century. The earliest literature on the growing heifer identified costs of feeding and implications of growth on future productivity as major concepts requiring further study to improve the overall sustainability of the dairy herd...
December 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29153160/a-100-year-review-calf-nutrition-and-management
#6
A F Kertz, T M Hill, J D Quigley, A J Heinrichs, J G Linn, J K Drackley
The first calf paper, published in the May 1919 issue of the Journal of Dairy Science (JDS), described factors affecting birth body weight of different breeds of calves. Other studies were done on nonmilk ingredients, growth charts were developed, and early weaning was followed to conserve milk fed to calves. Calf papers did not report use of statistics to control or record variation or to determine whether treatment means were different. Many experiments were more observational than comparative. Typically fewer than 5 calves, and sometimes 1 or 2 calves, were used per treatment...
December 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29153158/a-100-year-review-metabolic-modifiers-in-dairy-cattle-nutrition
#7
R K McGuffey
The first issue of the Journal of Dairy Science in 1917 opened with the text of the speech by Raymond A. Pearson, president of the Iowa State College of Agriculture, at the dedication of the new dairy building at the University of Nebraska (J. Dairy Sci. 1:4-18, 1917). Fittingly, this was the birth of a new research facility and more importantly, the beginning of a new journal devoted to the sciences of milk production and manufacture of products from milk. Metabolic modifiers of dairy cow metabolism enhance, change, or interfere with normal metabolic processes in the ruminant digestive tract or alter postabsorption partitioning of nutrients among body tissues...
December 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29152251/oxygen-the-forgotten-nutrient
#8
Paul Trayhurn
O2 is essential for the maintenance and growth of aerobic animals, similar to the essentiality of what are classically considered nutrients. Nevertheless, O2 is not customarily regarded as a nutrient, this reflecting the route by which it enters the body - through the lungs or gills in vertebrates, rather than via the mouth and gastrointestinal tract. A relative deficiency of O2 occurs at high altitudes and during deep-sea diving, to which distinct adaptations occur. Deficiency is also evident in lung diseases such as emphysema...
2017: Journal of Nutritional Science
https://www.readbyqxmd.com/read/29152250/development-and-evaluation-of-a-concise-food-list-for-use-in-a-web-based-24-h-dietary-recall-tool
#9
Katie Evans, Áine Hennessy, Janette Walton, Claire Timon, Eileen Gibney, Albert Flynn
Foodbook24 is a self-administered web-based 24-h dietary recall tool developed to assess food and nutrient intakes of Irish adults. This paper describes the first step undertaken in developing Foodbook24 which was to limit participant burden by establishing a concise list of food items for inclusion in the tool. The aim of the present study was to evaluate whether using a concise food list (as opposed to an extensive list) with generic composition data would influence the estimates of nutrient intakes in a nationally representative sample of Irish adults...
2017: Journal of Nutritional Science
https://www.readbyqxmd.com/read/29152237/analysis-of-recipes-of-home-prepared-diets-for-dogs-and-cats-published-in-portuguese
#10
Vivian Pedrinelli, Márcia de O S Gomes, Aulus C Carciofi
The present study evaluated recipes of home-prepared diets for dogs and cats published in Portuguese. A total of 106 diets were evaluated: eighty for dogs, twenty-four for cats and two intended for both species. A commercial software package was used to analyse the diets, and an ingredient chemical composition database was built based on the Brazilian Tables of Food Composition and United States Department of Agriculture Nutrient Database. The estimated chemical composition of each recipe was compared with the Nutritional Guidelines for Complete and Complementary Pet Food for Cats and Dogs (Fédération Européenne de L'industrie des Aliments Pour Animaux Familiers; FEDIAF, 2014) recommendations for maintenance (as units/MJ)...
2017: Journal of Nutritional Science
https://www.readbyqxmd.com/read/29151400/review-optimizing-ruminant-conversion-of-feed-protein-to-human-food-protein
#11
G A Broderick
Ruminant livestock have the ability to produce high-quality human food from feedstuffs of little or no value for humans. Balanced essential amino acid composition of meat and milk from ruminants makes those protein sources valuable adjuncts to human diets. It is anticipated that there will be increasing demand for ruminant proteins in the future. Increasing productivity per animal dilutes out the nutritional and environmental costs of maintenance and rearing dairy animals up to production. A number of nutritional strategies improve production per animal such as ration balancing in smallholder operations and small grain supplements to ruminants fed high-forage diets...
November 20, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/29151396/effect-of-dietary-sources-of-n-3-fatty-acids-on-pig-performance-and-technological-nutritional-and-sensory-qualities-of-pork
#12
A de Tonnac, J Mourot
In France, animal products (dairy products, meat and eggs) are the main source of n-3 polyunsaturated fatty acids (PUFA) in the human diet; however, many individuals do not consume enough of this nutrient. The objective of this study was to increase n-3 PUFA precursor and derivative contents in tissues and test how they influence technological and sensory qualities of meat without negatively affecting growth performances of pigs. A total of 60 male pigs [(Large White×Landrace)×Pietrain] were assigned according to their initial liveweight (50...
November 20, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/29150472/are-food-and-drink-retailers-within-nhs-venues-adhering-to-nice-quality-standard-94-guidance-on-childhood-obesity-a-cross-sectional-study-of-two-large-secondary-care-nhs-hospitals-in-england
#13
Alice James, Laura Birch, Peter Fletcher, Sally Pearson, Catherine Boyce, Andy R Ness, Julian P Hamilton-Shield, Fiona E Lithander
OBJECTIVE: To assess whether the food and drink retail outlets in two major National Health Service (NHS) district general hospitals in England adhere to quality statements 1-3 of the UK National Institute for Health and Care Excellence (NICE) quality standard 94. DESIGN: Cross-sectional, descriptive study to assess the food and drink options available in vending machines, restaurants, cafes and shops in two secondary care hospitals. MAIN OUTCOME MEASURES: Adherence to quality statement 1 whereby the food and drink items available in the vending machines were classified as either healthy or less healthy using the Nutrient Profiling Model (NPM)...
November 16, 2017: BMJ Open
https://www.readbyqxmd.com/read/29149943/endocrine-and-metabolic-alterations-in-sepsis-and-implications-for-treatment
#14
REVIEW
Catherine Ingels, Jan Gunst, Greet Van den Berghe
Sepsis induces profound neuroendocrine and metabolic alterations. During the acute phase, the neuroendocrine changes are directed toward restoration of homeostasis, and also limit unnecessary energy consumption in the setting of restricted nutrient availability. Such changes are probably adaptive. In patients not recovering quickly, a prolonged critically ill phase may ensue, with different neuroendocrine changes, which may represent a maladaptive response. Whether stress hyperglycemia should be aggressively treated or tolerated remains a matter of debate...
January 2018: Critical Care Clinics
https://www.readbyqxmd.com/read/29149874/observation-and-assessment-of-the-nutritional-quality-of-out-of-school-foods-popular-with-secondary-school-pupils-at-lunchtime
#15
Fiona Crawford, Dionne Mackison, John D Mooney, Anne Ellaway
BACKGROUND: The contemporary Scottish diet is unhealthy and a risk factor for poor health outcomes including obesity. Over a third of Scottish children are at risk of being overweight or obese, and there have been calls to strengthen the evidence base on the role of the food retail environment around schools in influencing the consumption of unhealthy foods. METHODS: We examined the food retail environment around five secondary schools in Glasgow city, Scotland...
November 17, 2017: BMC Public Health
https://www.readbyqxmd.com/read/29149845/early-nutritional-programming-affects-liver-transcriptome-in-diploid-and-triploid-atlantic-salmon-salmo-salar
#16
L M Vera, C Metochis, J F Taylor, M Clarkson, K H Skjærven, H Migaud, D R Tocher
BACKGROUND: To ensure sustainability of aquaculture, plant-based ingredients are being used in feeds to replace marine-derived products. However, plants contain secondary metabolites which can affect food intake and nutrient utilisation of fish. The application of nutritional stimuli during early development can induce long-term changes in animal physiology. Recently, we successfully used this approach to improve the utilisation of plant-based diets in diploid and triploid Atlantic salmon...
November 17, 2017: BMC Genomics
https://www.readbyqxmd.com/read/29149486/discovery-of-vg-and-vgr-gene-expression-profiles-related-to-host-plant-suitability-of-spodoptera-exigua
#17
Jing Zhao, Yang Sun, Liubin Xiao, Yongan Tan, Yiping Jiang, Lixin Bai
BACKGROUND: Spodoptera exigua, a worldwide phytophagous pest, causes considerable economic agricultural losses. Understanding the relationship between its fecundity and host plant is a basic and important component of early forecasting of beet armyworm. However, little is known about the molecular mechanism by which distinct hosts affect S. exigua fecundity. RESULTS: In this study, the key parameters of S. exigua grown on distinct hosts were investigated; host plants could be ranked as lettuce >shallot > tomato > celery in their order of suitability...
November 17, 2017: Pest Management Science
https://www.readbyqxmd.com/read/29148171/identification-and-expression-profiling-of-pht1-phosphate-transporters-in-wheat-in-controlled-environments-and-in-the-field
#18
A Grün, P Buchner, M R Broadley, M J Hawkesford
Phosphorus (P) is an important macronutrient with critical functions in plants. Phosphate (Pi) transporters which mediate Pi acquisition and Pi translocation within the plant are key factors in Pi deficiency responses. However, their relevance for adaptation to long-term Pi limitation under agronomic conditions, particularly in wheat, remains unknown. Here, we describe the identification of the complete Pi transporter gene family (Pht1) in wheat (Triticum aestivum). Gene expression profiles were compared for hydroponic and field-grown plant tissues of wheat at multiple developmental stages...
November 17, 2017: Plant Biology
https://www.readbyqxmd.com/read/29148143/leaf-cell-membrane-stability-based-mechanisms-of-zinc-nutrient-in-mitigation-of-salinity-stress-in-rice
#19
Abdullah Tufail, Hong Li, Asif Naeem, Tingxian Li
Excess salts affect about 955 million ha of total arable lands worldwide and 49% of agricultural lands are Zn deficient. Soil salinity and zinc deficiency can intensify plant abiotic stress. The mechanisms by which Zn nutrients can mitigate salinity effects on plant functions are not well understood. We conducted an experiment to determine the zinc and salinity effects on rice plant retention of Zn, macronutrient potassium (K) and salt ion Na, chlorophyll formation, leaf cell membrane stability and grain yield, and to examine the mechanisms of zinc nutrition in mitigating salinity stress on plant physiological and nutritional aspects...
November 16, 2017: Plant Biology
https://www.readbyqxmd.com/read/29147985/deciphering-the-growth-organic-acid-exudations-and-ionic-homeostasis-of-amaranthus-viridis-l-and-portulaca-oleracea-l-under-lead-chloride-stress
#20
Muhammad Tariq Javed, Muhammad Sohail Akram, Noman Habib, Kashif Tanwir, Qasim Ali, Nabeel Khan Niazi, Huma Gul, Naeem Iqbal
Lead (Pb) stress adversely affects in planta nutrient homeostasis and metabolism when present at elevated concentration in the surrounding media. The present study was aimed at investigation of organic acid exudations, elemental contents, growth, and lipid peroxidation in two wild plants (Amaranthus viridis L. and Portulaca oleracea L.), exhibiting differential root to shoot Pb translocation, under Pb stress. Plants were placed in soil spiked with lead chloride (PbCl2) concentrations of 0, 15, 30, 45, or 60 mg Pb/kg soil, in rhizoboxes supplied with nylon nets around the roots...
November 16, 2017: Environmental Science and Pollution Research International
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