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micro nutrients

R Perrier, A Pirog, M Jaffredo, J Gaitan, B Catargi, S Renaud, M Raoux, J Lang
On-line and real-time analysis of micro-organ activity permits to use the endogenous analytical power of cellular signal transduction algorithms as biosensors. We have developed here such a sensor using only a few pancreatic endocrine islets and the avoidance of transgenes or chemical probes reduces bias and procures general usage. Nutrient and hormone-induced changes in islet ion fluxes through channels provide the first integrative read-out of micro-organ activity. Using extracellular electrodes we captured this read-out non-invasively as slow potentials which reflect glucose concentration-dependent (3-15 mM) micro-organ activation and coupling...
June 8, 2018: Biosensors & Bioelectronics
Smaro Kokkinidou, Devin Peterson, Tama Bloch, Ashley Bronston
Patients who are malnourished or at-risk for malnutrition often benefit from the consumption of oral nutritional supplements (ONS). ONS supply a range of micro- and macro-nutrients, and they can be used to supplement a diet or provide total nutrition. Since ONS are specially formulated products, all ONS ingredients—including carbohydrates—are added ingredients. This may seem to be at odds with the growing public health discourse on the need to reduce “added sugars” in the diet...
June 8, 2018: Nutrients
Christy-Lynn M Cooke, Amin Shah, Raven D Kirschenman, Anita L Quon, Jude S Morton, Alison S Care, Sandra T Davidge
Exposure to prenatal stressors, including hypoxia, micro- and macro-nutrient deficiency, and maternal stress, increases the risk of cardiovascular disease in adulthood. It is unclear whether being born from a mother of advanced maternal age (≥ 35 years old) may also constitute a prenatal stress with cardiovascular consequences in adulthood. We previously demonstrated growth restriction in fetuses from a rat model of advanced maternal age, suggesting exposure to a compromised in utero environment. Thus, we hypothesized that male and female offspring from aged dams would exhibit impaired cardiovascular function as adults...
June 7, 2018: Journal of Physiology
Eswarrayya Ramireddy, Seyed A Hosseini, Kai Eggert, Sabine Gillandt, Heike Gnad, Nicolaus von Wirén, Thomas Schmülling
Root size and architecture are important crop plant traits, as they determine access to water and soil nutrients. The plant hormone cytokinin is a negative regulator of root growth and branching. Here, we generated transgenic barley (Hordeum vulgare L.) plants with an enlarged root system by enhancing cytokinin degradation in roots to explore the potential of cytokinin modulations in improving root functions. This was achieved through root-specific expression of a CYTOKININ OXIDASE/DEHYDROGENASE (CKX) gene...
June 5, 2018: Plant Physiology
Daphna K Dror, Lindsay H Allen
The WHO recommends exclusive breastfeeding for the first 6 mo of life to promote optimal infant health and development. Understanding the micro- and macronutrient concentrations of human milk and how each nutrient fluctuates with lactational stage, maternal factors, and supplementation is imperative for supporting good breastfeeding practices. Where maternal undernutrition compromises human milk quality, a thorough awareness of the effectiveness of interventions can direct efforts to achieve both maternal and infant nutrient sufficiency...
May 1, 2018: Advances in Nutrition
Makiko Abe, Nitin Shivappa, Hidemi Ito, Isao Oze, Tetsuya Abe, Yasuhiro Shimizu, Yasuhisa Hasegawa, Chikako Kiyohara, Masatoshi Nomura, Yoshihiro Ogawa, James R Hebert, Keitaro Matsuo
Background: The inflammatory potential of diet that has been shown to be associated with cancer risk. We examined the association between dietary inflammatory potential as measured by the dietary inflammatory index (DII® ) and risk of upper aerodigestive tract cancers in a Japanese case-control study. Results: A positive association was observed between increasing DII scores and overall upper aerodigestive tract cancers, and across anatomic subsites. For upper aerodigestive tract cancers, the ORQ4vsQ1 = 1...
May 8, 2018: Oncotarget
Xiaochao Chen, Brigitte Schönberger, Jochen Menz, Uwe Ludewig
DNA methylation is a heritable chromatin modification that maintains chromosome stability, regulates transposon silencing and appears to be involved in gene expression in response to environmental conditions. Environmental stress alters DNA methylation patterns that are correlated with gene expression differences. Here, genome-wide differential DNA-methylation was identified upon prolonged Zn deficiency, leading to hypo- and hyper-methylated chromosomal regions. Preferential CpG methylation changes occurred in gene promoters and gene bodies, but did not overlap with transcriptional start sites...
May 25, 2018: Plant & Cell Physiology
Pan Li, Haibo Yu, Na Liu, Feifei Wang, Gwo-Bin Lee, Yuechao Wang, Lianqing Liu, Wen Jung Li
The development of microengineered hydrogels co-cultured with cells in vitro could advance in vivo bio-systems in both structural complexity and functional hierarchy, which holds great promise for applications in regenerative tissues or organs, drug discovery and screening, and bio-sensors or bio-actuators. Traditional hydrogel microfabrication technologies such as ultraviolet (UV) laser or multiphoton laser stereolithography and three-dimensional (3D) printing systems have advanced the development of 3D hydrogel micro-structures but need either expensive and complex equipment, or harsh material selection with limited photoinitiators...
May 29, 2018: Biomaterials Science
Huachun Sheng, Jie Ma, Junbao Pu, Lijun Wang
Background and Aims: Turgor-driven plant cell growth depends on cell wall structure and mechanics. Strengthening of cell walls on the basis of an association and interaction with silicon (Si) could lead to improved nutrient uptake and optimized growth and metabolism in rice (Oryza sativa). However, the structural basis and physiological mechanisms of nutrient uptake and metabolism optimization under Si assistance remain obscure. Methods: Single-cell level biophysical measurements, including in situ non-invasive micro-testing (NMT) of NH4+ ion fluxes, atomic force microscopy (AFM) of cell walls, and electrolyte leakage and membrane potential, as well as whole-cell proteomics using isobaric tags for relative and absolute quantification (iTRAQ), were performed...
May 16, 2018: Annals of Botany
Rodrigo Moretto Galazzi, Marco Aurélio Zezzi Arruda
An ionomic approach is conducted for evaluating the silver distribution, in different soybean plant compartments, as well as its influence on the homeostasis of some macro (P and S) and micro (Cu, Fe, Mn and Zn) nutrients. Silver is added to transgenic and non-transgenic soybean plants as nanoparticles or silver nitrate for comparative purposes. The transgenic plants translocate a higher amount of silver (100 and 65% for silver nanoparticles and silver nitrate expositions, respectively) than non-transgenic, and considering the treatments, the cultivation with silver nanoparticles results in a higher translocation rate (100 and 21% for transgenic and non-transgenic plants, respectively)...
July 2018: Journal of Trace Elements in Medicine and Biology
Shengfa F Liao, Martin Nyachoti
To maintain a healthy gut is definitely key for a pig to digest and absorb dietary nutrients efficiently. A balanced microbiota (i.e., a healthy micro-ecosystem) is an indispensable constituent of a healthy gut. Probiotics, the live microorganisms which, when administered in adequate amounts, confer good health benefits onto the host, are a category of feed additives that can be used to replenish the gut microbial population while recuperating the host immune system. Besides their antitoxin and diarrhea reduction effects, dietary supplementation of probiotics can improve gut health, nutrient digestibilities and, therefore, benefit nutrient utilization and growth performance of pigs...
December 2017: Animal nutrition
Yong He, Xiaodan Liu, Yangyang Lv, Fei Liu, Jiyu Peng, Tingting Shen, Yun Zhao, Yu Tang, Shaoming Luo
Rapid detection of soil nutrient elements is beneficial to the evaluation of crop yield, and it's of great significance in agricultural production. The aim of this work was to compare the detection ability of single-pulse (SP) and collinear double-pulse (DP) laser-induced breakdown spectroscopy (LIBS) for soil nutrient elements and obtain an accurate and reliable method for rapid detection of soil nutrient elements. 63 soil samples were collected for SP and collinear DP signal acquisition, respectively. Macro-nutrients (K, Ca, Mg) and micro-nutrients (Fe, Mn, Na) were analyzed...
May 11, 2018: Sensors
Tamara Cibic, Federica Cerino, Ana Karuza, Daniela Fornasaro, Cinzia Comici, Marina Cabrini
We studied the influence of anomalous meteorological and hydrological conditions that occurred in the Gulf of Trieste from March 2006 to February 2007 on phytoplankton structure and function. We computed monthly mean (or median) air temperature, total precipitation, wind speed, river discharge, seawater temperature, salinity, photosynthetic available radiation (PAR), cyanobacteria, nano- and microphytoplankton abundances during the study year and compared them to climatological (1999-2014 for PAR; 1999-2007 for nanophytoplankton; 1998-2015 for the other variables) mean/median data...
May 1, 2018: Science of the Total Environment
Hulya Ozdemir, Hulya Bilgen, Zeynep Alp Unkar, Ertugrul Kiykim, Asli Memisoglu, Eren Ozek
BACKGROUND: In this case report, we present a preterm newborn with persistent lactic acidosis who received total parenteral nutrition (TPN) that lacked thiamine. CASE PRESENTATION: A 28-week-old, 750 g female infant was born with an Apgar score of 8 at the 5th minute. Umbilical cord blood gas levels, including lactate level, were normal, and she was admitted to our neonatal intensive care unit (NICU). Achieving full enteral feeding was not possible due to gastric residues and abdominal distention, making the patient dependent on TPN during the first 2 weeks of life...
June 27, 2018: Journal of Pediatric Endocrinology & Metabolism: JPEM
Thaveshan Gounden, Roshila Moodley, Sreekantha B Jonnalagadda
Trifolium species, commonly known as clover species, have a cosmopolitan distribution and, as such, are used in many different traditional systems of medicine and consumed by many communities all over the world. In this study, the elemental distribution and nutritional value of five edible Trifolium species, namely, Trifolium africanum, Trifolium burchellianum, Trifolium repens, Trifolium dubium and Trifolium pratense were investigated to evaluate the potential of these plant species to alleviate malnutrition, thereby contributing toward the fight against food insecurity...
April 30, 2018: Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes
Elnaz Zareei, Taimoor Javadi, Rishi Aryal
BACKGROUND: The physiological and metabolic processes involved with grapevine growth and production are influenced by key macro and micro-nutrients. Potassium is an essential plant nutrient that affects growth and fruit quality. In this study, the impact of foliar spraying of potassium sulfate (K2 SO4 ) on qualitative characteristics of grape berries was evaluated in the cultivar 'Rasha', a commonly cultivated cultivar in Kurdistan province of Iran. Leaves of the fully-grown vines were sprayed with each of the 1...
April 27, 2018: Journal of the Science of Food and Agriculture
Ignacio Migues, Nieves Baenas, Amadeo Gironés-Vilaplana, María Verónica Cesio, Horacio Heinzen, Diego A Moreno
The use of nutrient-rich foods to enhance the wellness, health and lifestyle habits of consumers is globally encouraged. Native fruits are of great interest as they are grown and consumed locally and take part of the ethnobotanic knowledge of the population. Pitanga is an example of a native fruit from Uruguay, consumed as a jelly or an alcoholic beverage. Pitanga has a red-violet pigmentation, which is a common trait for foods that are a good source of antioxidants. Hence, fruits from different Uruguayan regions were analyzed via miniaturized sample preparation method, HPLC-DAD-ESI/MSn and RP-HPLC-DAD techniques to identify and quantify phenolic compounds, respectively...
April 24, 2018: Foods (Basel, Switzerland)
Xiao Fang Du, Ying Bin Li, Fang Liu, Xiao Lin Su, Qi Li
Soil micro-food web, as a part of the detritus food webs, directly or indirectly participates in nutrient cycling by feeding on substrate and microorganisms and consequently influences the functions of terrestrial ecosystems. Here, we reviewed the research progress of soil micro-food web in recent years by focusing on its composition, structure and ecological function in soil ecosystem. The important roles of soil micro-food web in driving carbon (C) and nitrogen (N) transformation, organic matter decomposition and plant growth were reviewed through the description of energy channel and trophic cascade effects of soil micro-food web...
February 2018: Ying Yong Sheng Tai Xue Bao, the Journal of Applied Ecology
Y She, J C Sparks, H H Stein
An experiment was conducted to test the hypothesis that inclusion of increasing concentrations of an Escherichia coli (E. coli) phytase to a corn-soybean meal (SBM) diet results in improved digestibility of DM, GE, CP, NDF, ADF, macro minerals, micro minerals, and AA. Twenty four growing barrows (initial BW: 37.0 ± 1.4 kg) were equipped with a T-cannula in the distal ileum and placed individually in metabolism crates, and allotted to a 2-period switch-back design with 6 diets and 4 replicate pigs per diet in each period...
April 24, 2018: Journal of Animal Science
Dongdong Zhang, Peter Clauwaert, Amanda Luther, Diego López Barreiro, Wolter Prins, D W F Wim Brilman, Frederik Ronsse
Sub- and supercritical water oxidation was applied to recover carbon as CO2 , while maintaining nitrogen as NH4 + or NO3 - , from sludge obtained from an anaerobic fermenter running on a model waste composed of plant residues and human fecal matter. The objective was to fully convert carbon in the organic waste to CO2 while maintaining nutrients (specifically N) in the liquid effluent. In regenerative life support systems, CO2 and nutrients could then be further used in plant production; thus creating a closed carbon and nutrient cycle...
April 20, 2018: Waste Management
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