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Nutrition physiology

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https://www.readbyqxmd.com/read/28211530/factors-affecting-leaf-selection-by-foregut-fermenting-proboscis-monkeys-new-insight-from-in-vitro-digestibility-and-toughness-of-leaves
#1
Ikki Matsuda, Marcus Clauss, Augustine Tuuga, John Sugau, Goro Hanya, Takakazu Yumoto, Henry Bernard, Jürgen Hummel
Free-living animals must make dietary choices in terms of chemical and physical properties, depending on their digestive physiology and availability of food resources. Here we comprehensively evaluated the dietary choices of proboscis monkeys (Nasalis larvatus) consuming young leaves. We analysed the data for leaf toughness and digestibility measured by an in vitro gas production method, in addition to previously reported data on nutrient composition. Leaf toughness, in general, negatively correlated with the crude protein content, one of the most important nutritional factors affecting food selection by leaf-eating primates...
February 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28208645/polyphenol-oxidases-in-crops-biochemical-physiological-and-genetic-aspects
#2
Francesca Taranto, Antonella Pasqualone, Giacomo Mangini, Pasquale Tripodi, Monica Marilena Miazzi, Stefano Pavan, Cinzia Montemurro
Enzymatic browning is a colour reaction occurring in plants, including cereals, fruit and horticultural crops, due to oxidation during postharvest processing and storage. This has a negative impact on the colour, flavour, nutritional properties and shelf life of food products. Browning is usually caused by polyphenol oxidases (PPOs), following cell damage caused by senescence, wounding and the attack of pests and pathogens. Several studies indicated that PPOs play a role in plant immunity, and emerging evidence suggested that PPOs might also be involved in other physiological processes...
February 10, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28203243/foliar-nutrition-biostimulants-and-prime-like-dynamics-in-fruit-tree-physiology-new-insights-on-an-old-topic
#3
REVIEW
Georgia Tanou, Vasileios Ziogas, Athanassios Molassiotis
Despite the fact that the usage of foliar nutrients has long history, many aspects of fertilization through leaves are still unknown. Herein, we review the current knowledge regarding the canopy fertilization putting special emphasis on Fe nutrition and briefly provide insights into the nanofertilizer technology of the foliar feeding of fruit crops. In addition, this paper discusses the main aspects of the foliar application of biostimulants regarding crucial factors of fruit cropping systems, such as fruit yield/size, tolerance to environmental stresses, and nutrient availability...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28202354/non-invasive-monitoring-of-physiological-markers-in-primates
#4
REVIEW
V Behringer, T Deschner
The monitoring of endocrine markers that inform about an animal's physiological state has become an invaluable tool for studying the behavioral ecology of primates. While the collection of blood samples usually requires the animal to be caught and immobilized, non-invasively collected samples of saliva, urine, feces or hair can be obtained without any major disturbance of the subject of interest. Such samples enable repeated collection which is required for matching behavioral information over long time periods with detailed information on endocrine markers...
February 12, 2017: Hormones and Behavior
https://www.readbyqxmd.com/read/28199147/microbiological-safety-of-animal-wastes-processed-by-physical-heat-treatment-an-alternative-to-eliminate-human-pathogens-in-biological-soil-amendments-as-recommended-by-the-food-safety-modernization-act
#5
Zhao Chen, Xiuping Jiang
Animal wastes have high nutritional value as biological soil amendments of animal origin for plant cultivation in sustainable agriculture; however, they can be sources of some human pathogens. Although composting is an effective way to reduce pathogen levels in animal wastes, pathogens may still survive under certain conditions and persist in the composted products, which potentially could lead to fresh produce contamination. According to the U.S. Food and Drug Administration Food Safety Modernization Act, alternative treatments are recommended for reducing or eliminating human pathogens in raw animal manure...
February 15, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28198336/managing-tissue-viability-issues-in-patients-with-cancer-approaching-the-end-of-life
#6
Kenneth Robert Ripley, Mark Collier
This article provides an overview of tissue viability issues related to the care of patients with cancer who are approaching the end of life. Altered physiology as a result of various factors, including nutrition, medication and radiotherapy, is identified. The article discusses the presentation and treatment of cutaneous radiation injury, malignant wounds, pressure ulcers and Skin Changes At Life's End (SCALE), an acronym used to describe a set of clinical phenomena associated with skin changes in patients approaching the end of life, and makes recommendations for practice...
February 15, 2017: Nursing Standard
https://www.readbyqxmd.com/read/28194237/the-impact-of-micronutrient-status-on-health-correlation-network-analysis-to-understand-the-role-of-micronutrients-in-metabolic-inflammatory-processes-regulating-homeostasis-and-phenotypic-flexibility
#7
Tim J van den Broek, Bas H A Kremer, Marisa Marcondes Rezende, Femke P M Hoevenaars, Peter Weber, Ulrich Hoeller, Ben van Ommen, Suzan Wopereis
BACKGROUND: Vitamins and carotenoids are key micronutrients facilitating the maintenance of health, as evidenced by the increased risk of disease with low intake. Optimal phenotypic flexibility, i.e., the ability to respond to a physiological challenge, is an essential indicator of health status. Therefore, health can be measured by applying a challenge test and monitoring the response of relevant phenotypic processes. In this study, we assessed the correlation of three fat-soluble vitamins, (i...
2017: Genes & Nutrition
https://www.readbyqxmd.com/read/28193158/transcriptional-and-physiological-analyses-of-fe-deficiency-response-in-maize-reveal-the-presence-of-strategy-i-components-and-fe-p-interactions
#8
Laura Zanin, Silvia Venuti, Anita Zamboni, Zeno Varanini, Nicola Tomasi, Roberto Pinton
BACKGROUND: Under limited iron (Fe) availability maize, a Strategy II plant, improves Fe acquisition through the release of phytosiderophores (PS) into the rhizosphere and the subsequent uptake of Fe-PS complexes into root cells. Occurrence of Strategy-I-like components and interactions with phosphorous (P) nutrition has been hypothesized based on molecular and physiological studies in grasses. RESULTS: In this report transcriptomic analysis (NimbleGen microarray) of Fe deficiency response revealed that maize roots modulated the expression levels of 724 genes (508 up- and 216 down-regulated, respectively)...
February 13, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28193115/characterization-of-death-in-neonatal-encephalopathy-in-the-hypothermia-era
#9
Monica E Lemmon, Renee D Boss, Sonia L Bonifacio, Audrey Foster-Barber, A James Barkovich, Hannah C Glass
This study aimed to characterize the circumstances of death in encephalopathic neonates treated with therapeutic hypothermia. Patients who died after or during treatment with therapeutic hypothermia between 2007-2014 were identified. Patient circumstance of death was characterized using an established paradigm. Thirty-one of 229 patients died (14%) at a median of 3 days of life. Most who died were severely encephalopathic on examination (90%) and had severely abnormal electroencephalographic (EEG) findings (87%)...
March 2017: Journal of Child Neurology
https://www.readbyqxmd.com/read/28186393/chronic-fatigue-in-ehlers-danlos-syndrome-hypermobile-type
#10
Alan Hakim, Inge De Wandele, Chris O'Callaghan, Alan Pocinki, Peter Rowe
Chronic fatigue is an important contributor to impaired health-related quality of life in Ehlers-Danlos syndrome. There is overlap in the symptoms and findings of EDS and chronic fatigue syndrome. A proportion of those with CFS likely have EDS that has not been identified. The evaluation of chronic fatigue in EDS needs to include a careful clinical examination and laboratory testing to exclude common causes of fatigue including anemia, hypothyroidisim, and chronic infection, as well as dysfunction of major physiological or organ systems...
February 10, 2017: American Journal of Medical Genetics. Part C, Seminars in Medical Genetics
https://www.readbyqxmd.com/read/28184354/gallium-protoporphyrin-ix-inhibits-pseudomonas-aeruginosa-growth-by-targeting-cytochromes
#11
Sarah Hijazi, Paolo Visca, Emanuela Frangipani
Pseudomonas aeruginosa is a challenging pathogen due to both innate and acquired resistance to antibiotics. It is capable of causing a variety of infections, including chronic lung infection in cystic fibrosis (CF) patients. Given the importance of iron in bacterial physiology and pathogenicity, iron-uptake and metabolism have become attractive targets for the development of new antibacterial compounds. P. aeruginosa can acquire iron from a variety of sources to fulfill its nutritional requirements both in the environment and in the infected host...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28182286/maternal-cinnamon-extract-intake-during-lactation-leads-to-sex-specific-endocrine-modifications-in-rat-offspring
#12
Thais Bento-Bernardes, Fernanda P Toste, Carmen C Pazos-Moura, Karen J Oliveira
BACKGROUND: Cinnamon supplementation has been associated with improvement in glucose disposal and reduction in fat mass in type 2 diabetes. Maternal nutrition during lactation impacts the health of the offspring throughout life. We hypothesize that cinnamon intake by lactating rats affects maternal physiology, leading to hormonal and metabolic changes in their offspring. To investigate this hypothesis, dams received aqueous cinnamon extract (400 mg cinnamon/kg body mass/day) or water orally, during lactation...
February 9, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28182091/potential-role-of-angptl4-in-the-cross-talk-between-metabolism-and-cancer-through-ppar-signaling-pathway
#13
REVIEW
Laura La Paglia, Angela Listì, Stefano Caruso, Valeria Amodeo, Francesco Passiglia, Viviana Bazan, Daniele Fanale
The angiopoietin-like 4 (ANGPTL4) protein belongs to a superfamily of secreted proteins structurally related to factors modulating angiogenesis known as angiopoietins. At first, ANGPTL4 has been identified as an adipokine exclusively involved in lipid metabolism, because of its prevalent expression in liver and adipose tissue. This protein regulates lipid metabolism by inhibiting lipoprotein lipase (LPL) activity and stimulating lipolysis of white adipose tissue (WAT), resulting in increased levels of plasma triglycerides (TG) and fatty acids...
2017: PPAR Research
https://www.readbyqxmd.com/read/28179140/temperature-dependent-growth-feeding-nutritional-condition-and-aerobic-metabolism-of-juvenile-spiny-lobster-sagmariasus-verreauxi
#14
Quinn P Fitzgibbon, Cedric J Simon, Gregory G Smith, Chris G Carter, Stephen C Battaglene
We examined the effects of temperature on the growth, feeding, nutritional condition and aerobic metabolism of juvenile spiny lobster, Sagmariasus verreauxi, in order to determine if temperature acclimated aerobic scope correlates with optimum for growth and to establish the thermal tolerance window for this emerging aquaculture species. Juvenile lobsters (initial weight=10.95±0.47g) were reared (n=7) at temperatures from 11.0 to 28.5°C for 145days. All lobsters survived from 14.5 to 25.0°C while survival was reduced at 11...
February 5, 2017: Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
https://www.readbyqxmd.com/read/28168317/compositional-profiles-of-rhodosporidium-toruloides-cells-under-nutrient-limitation
#15
Hongwei Shen, Xibin Zhang, Zhiwei Gong, Yanan Wang, Xue Yu, Xiaobing Yang, Zongbao K Zhao
Lipid production by the red yeast Rhodosporidium toruloides was explored under nutrient limitation. To determine the compositional profiles of R. toruloides cells, samples were prepared using a continuous cultivation process under nutrient limitation and analyzed via several methods, including Fourier transform infrared spectroscopy and elemental analysis. Under nitrogen limitation, as the dilution rate increased, the cellular lipid content decreased but the carbohydrate and protein contents increased. Under carbon limitation, the cellular lipid, protein, and carbohydrate contents remained relatively constant at the different dilution rates...
February 6, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28167456/antidepressant-and-anxiolytic-like-activity-of-sodium-selenite-after-acute-treatment-in-mice
#16
Ewa Kędzierska, Jarosław Dudka, Ewa Poleszak, Jolanta H Kotlińska
BACKGROUND: Selenium (Se) is an essential trace element for humans and animals, that is needed for a broad variety of physiological functions including thyroid hormone metabolism, protection against oxidative stress, and immunity associated functions. Human nutritional Se deficiencies are associated with neuropsychiatric diseases, like Alzheimer's disease, Parkinson's disease, obsessive - compulsive disorder, stroke, epilepsy as well as depressive behaviours. In this study we examined antidepressant- and anxiolytic-like activity of Se in the inorganic form of sodium selenite and investigated whether Se influence on the locomotor activity in mice...
November 11, 2016: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28164454/nutrition-movement-and-sleep-behaviours-their-interactions-in-pathways-to-obesity-and-cardiometabolic-diseases
#17
A G Dulloo, J L Miles-Chan, J-P Montani
Among the multitude of dietary and lifestyle behaviours that have been proposed to contribute to the obesity epidemic, those that have generated considerable research scrutiny in the past decade are centred upon sleep behaviours, sedentary behaviours (sitting or lying while awake) and diminished low-level physical activities of everyday life, with each category of behaviours apparently presenting an independent risk for obesity and/or cardiometabolic diseases. These behaviours are highly complex, operate in synergy with each other, disrupt the link between regulation of the circadian clock and metabolic physiology and impact on various components of daily energy expenditure and feeding behaviours to promote obesity and hinder the outcome of obesity therapy...
February 2017: Obesity Reviews: An Official Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28164449/role-of-sleep-and-circadian-disruption-on-energy-expenditure-and-in-metabolic-predisposition-to-human-obesity-and-metabolic-disease
#18
REVIEW
A W McHill, K P Wright
Weight gain, obesity and diabetes have reached alarming levels in the developed world. Traditional risk factors such as over-eating, poor nutritional choices and lack of exercise cannot fully account for the high prevalence of metabolic disease. This review paper examines the scientific evidence on two novel risk factors that contribute to dys-regulated metabolic physiology: sleep disruption and circadian misalignment. Specifically, fundamental relationships between energy metabolism and sleep and circadian rhythms and the impact of sleep and circadian disruption on metabolic physiology are examined...
February 2017: Obesity Reviews: An Official Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28161414/dairy-propionibacteria-prevent-the-proliferative-effect-of-plant-lectins-on-sw480%C3%A2-cells-and-protect-the-metabolic-activity-of-the-intestinal-microbiota-in%C3%A2-vitro
#19
Gabriela Zárate, Gabriel D Sáez, Adriana Pérez Chaia
Plant lectins are specific carbohydrate-binding proteins that are widespread in legumes such as beans and pulses, seeds, cereals, and many plants used as farm feeds. They are highly resistant to cooking and digestion, reaching the intestinal lumen and/or blood circulation with biological activity. Since many legume lectins trigger harmful local and systemic reactions after their binding to the mucosal surface, these molecules are generally considered anti-nutritive and/or toxic substances. In the gut, specific cell receptors and bacteria may interact with these dietary components, leading to changes in intestinal physiology...
February 1, 2017: Anaerobe
https://www.readbyqxmd.com/read/28161170/maternal-supplementation-with-rumen-protected-methionine-increases-prepartal-plasma-methionine-concentration-and-alters-hepatic-mrna-abundance-of-1-carbon-methionine-and-transsulfuration-pathways-in-neonatal-holstein-calves
#20
C B Jacometo, Z Zhou, D Luchini, M N Corrêa, J J Loor
An important mechanism of nutritional "programming" induced by supplementation with methyl donors during pregnancy is the alteration of mRNA abundance in the offspring. We investigated the effects of rumen-protected Met (RPM) on abundance of 17 genes in the 1-carbon, Met, and transsulfuration pathways in calf liver from cows fed the same basal diet without (control, CON) or with RPM at 0.08% of diet dry matter/d (MET) from -21 through +30 d around calving. Biopsies (n = 8 calves per diet) were harvested on d 4, 14, 28, and 50 of age...
February 1, 2017: Journal of Dairy Science
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