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https://www.readbyqxmd.com/read/28441734/chloroviruses-have-a-sweet-tooth
#1
REVIEW
James L Van Etten, Irina Agarkova, David D Dunigan, Michela Tonetti, Christina De Castro, Garry A Duncan
Chloroviruses are large double-stranded DNA (dsDNA) viruses that infect certain isolates of chlorella-like green algae. They contain up to approximately 400 protein-encoding genes and 16 transfer RNA (tRNA) genes. This review summarizes the unexpected finding that many of the chlorovirus genes encode proteins involved in manipulating carbohydrates. These include enzymes involved in making extracellular polysaccharides, such as hyaluronan and chitin, enzymes that make nucleotide sugars, such as GDP-L-fucose and GDP-D-rhamnose and enzymes involved in the synthesis of glycans attached to the virus major capsid proteins...
April 22, 2017: Viruses
https://www.readbyqxmd.com/read/28441725/sweet-taste-receptor-activation-in-the-gut-is-of-limited-importance-for-glucose-stimulated-glp-1-and-gip-secretion
#2
Monika Y Saltiel, Rune E Kuhre, Charlotte B Christiansen, Rasmus Eliasen, Kilian W Conde-Frieboes, Mette M Rosenkilde, Jens J Holst
Glucose stimulates the secretion of the incretin hormones: glucagon-like peptide-1 (GLP-1) and glucose-dependent insulinotropic peptide (GIP). It is debated whether the sweet taste receptor (STR) triggers this secretion. We investigated the role of STR activation for glucose-stimulated incretin secretion from an isolated perfused rat small intestine and whether selective STR activation by artificial sweeteners stimulates secretion. Intra-luminal administration of the STR agonists, acesulfame K (3.85% w/v), but not sucralose (1...
April 22, 2017: Nutrients
https://www.readbyqxmd.com/read/28437556/inheritance-of-bacterial-spot-resistance-in-capsicum-annuum-var-annuum
#3
L R A Silva, R Rodrigues, S Pimenta, J W S Correa, M S B Araújo, C S Bento, C P Sudré
Since 2008, Brazil is the largest consumer of agrochemicals, which increases production costs and risks of agricultural products, environment, and farmers' contamination. Sweet pepper, which is one of the main consumed vegetables in the country, is on top of the list of the most sprayed crops. The bacterial spot, caused by Xanthomonas spp, is one of the most damaging diseases of pepper crops. Genetic resistant consists of a suitable way of disease control, but development of durable resistant cultivars as well as understanding of plant-bacterium interaction is being a challenge for plant breeders and pathologists worldwide...
April 20, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28437404/home-sweet-dome
#4
Kat Long
No abstract text is available yet for this article.
April 18, 2017: Scientific American
https://www.readbyqxmd.com/read/28437305/breast-feeding-analgesia-in-infants-an-update-on-the-current-state-of-evidence
#5
Britney Benoit, Ruth Martin-Misener, Margot Latimer, Marsha Campbell-Yeo
To provide an updated synthesis of the current state of the evidence for the effectiveness of breast-feeding and expressed breast milk feeding in reducing procedural pain in preterm and full-term born infants. A systematic search of key electronic databases (PubMed, CINAHL, EMBASE) was completed. Of the 1032 abstracts screened, 21 were found eligible for inclusion. Fifteen studies reported on the use of breast-feeding or expressed breast milk in full-term infants and 6 reported on preterm infants. Direct breast-feeding was more effective than maternal holding, maternal skin-to-skin contact, topical anesthetics, and music therapy, and was as or more effective than sweet tasting solutions in full-term infants...
April 2017: Journal of Perinatal & Neonatal Nursing
https://www.readbyqxmd.com/read/28437138/epidemiology-of-basil-downy-mildew
#6
Yigal Cohen, Yariv Ben-Naim, Lidan Falach, Evgenia Rubin
Basil downy mildew (BDM) caused by the oomycete Peronospora belbahrii is a destructive disease of sweet basil (Ocimum basilicum) worldwide. It has originated in Uganda in the 1930's and recently spread to Europe, Middle East, Americas and the Far East. Seed transmission may be responsible to its quick global spread. The pathogen attacks leaf blades, producing chlorotic lesions with ample dark asexual spores on the lower leaf surface. Oospores may occur in the mesophyll of infected leaves. The asexual spores germinate on a wet leaf surface within 2h and penetrate into the epidermis within 4h...
April 24, 2017: Phytopathology
https://www.readbyqxmd.com/read/28436113/using-predictions-from-a-joint-model-for-longitudinal-and-survival-data-to-inform-the-optimal-time-of-intervention-in-an-abdominal-aortic-aneurysm-screening-programme
#7
Michael J Sweeting
Joint models of longitudinal and survival data can be used to predict the risk of a future event occurring based on the evolution of an endogenous biomarker measured repeatedly over time. This has led naturally to the use of dynamic predictions that update each time a new longitudinal measurement is provided. In this paper, we show how such predictions can be utilised within a fuller decision modelling framework, in particular to allow planning of future interventions for patients under a 'watchful waiting' care pathway...
April 24, 2017: Biometrical Journal. Biometrische Zeitschrift
https://www.readbyqxmd.com/read/28436049/elevated-carbon-dioxide-reduces-emission-of-herbivore-induced-volatiles-in-zea-mays
#8
Anna Block, Martha M Vaughan, Shawn A Christensen, Hans T Alborn, James H Tumlinson
Terpene volatiles produced by sweet corn (Zea mays) upon infestation with pests such as beet armyworm (Spodoptera exigua) function as part of an indirect defense mechanism by attracting parasitoid wasps; yet little is known about the impact of climate change on this form of plant defense. To investigate how a central component of climate change affects indirect defense, we measured herbivore induced volatile emissions in plants grown under elevated carbon dioxide (CO2 ). We found that S. exigua infested or elicitor treated Z...
April 23, 2017: Plant, Cell & Environment
https://www.readbyqxmd.com/read/28435375/knowledge-attitude-and-practice-of-pediatricians-regarding-pediatric-liquid-medicaments
#9
K L Girish Babu, Geeta Maruti Doddamani, L R Kumaraswamy Naik
OBJECTIVE: To assess the knowledge, attitude, and practice of pediatricians regarding pediatric liquid medicaments (PLMs) and its effect on dental health. MATERIALS AND METHODS: A convenience sample of 103 pediatricians was asked to answer a questionnaire. RESULTS: A total number of 87 pediatricians completed the questionnaires. They considered age and body weight of the child (58%), cost of the medicine (40%), and pharmaceutical company (37%) to be relevant while prescribing...
January 2017: European Journal of Dentistry
https://www.readbyqxmd.com/read/28433466/orosensory-responsiveness-and-alcohol-behaviour
#10
Margaret Thibodeau, Martha Bajec, Gary Pickering
Consumption of alcoholic beverages is widespread through much of the world, and significantly impacts human health and well-being. We sought to determine the contribution of orosensation ('taste') to several alcohol intake measures by examining general responsiveness to taste and somatosensory stimuli in a convenience sample of 435 adults recruited from six cohorts. Each cohort was divided into quantiles based on their responsiveness to sweet, sour, bitter, salty, umami, metallic, and astringent stimuli, and the resulting quantiles pooled for analysis (Kruskal-Wallis ANOVA)...
April 19, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28431261/dietary-patterns-and-depression-risk-a-meta-analysis
#11
REVIEW
Ye Li, Mei-Rong Lv, Yan-Jin Wei, Ling Sun, Ji-Xiang Zhang, Huai-Guo Zhang, Bin Li
Although some studies have reported potential associations of dietary patterns with depression risk, a consistent perspective hasn't been estimated to date. Therefore, we conducted this meta-analysis to evaluate the relation between dietary patterns and the risk of depression. A literature research was conducted searching MEDLINE and EMBASE databases up to September 2016. In total, 21 studies from ten countries met the inclusion criteria and were included in the present meta-analysis. A dietary pattern characterized by a high intakes of fruit, vegetables, whole grain, fish, olive oil, low-fat dairy and antioxidants and low intakes of animal foods was apparently associated with a decreased risk of depression...
April 11, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28431091/suppression-of-oral-sweet-taste-sensation-with-gymnema-sylvestre-affects-postprandial-gastrointestinal-blood-flow-and-gastric-emptying-in-humans
#12
Hideaki Kashima, Kohei Eguchi, Kanae Miyamoto, Masaki Fujimoto, Masako Yamaoka Endo, Nami Aso-Someya, Toshio Kobayashi, Naoyuki Hayashi, Yoshiyuki Fukuba
An oral sweet taste sensation (OSTS) exaggerates digestive activation transiently, but whether it has a role after swallowing a meal is not known. Gymnema sylvestre (GS) can inhibit the OSTS in humans. We explored the effect of the OSTS of glucose intake on gastrointestinal blood flow, gastric emptying, blood-glucose, and plasma-insulin responses during the postprandial phase. Eight participants ingested 200 g (50 g × 4 times) of 15% glucose solution containing 100 mg of 13C-sodium acetate after rinsing with 25 mL of 2...
May 1, 2017: Chemical Senses
https://www.readbyqxmd.com/read/28428820/regional-water-footprints-of-potential-biofuel-production-in-china
#13
Xiaomin Xie, Tingting Zhang, Liming Wang, Zhen Huang
BACKGROUND: Development of biofuels is considered as one of the important ways to replace conventional fossil energy and mitigate climate change. However, rapid increase of biofuel production could cause other environmental concerns in China such as water stress. This study is intended to evaluate the life-cycle water footprints (WF) of biofuels derived from several potential non-edible feedstocks including cassava, sweet sorghum, and Jatropha curcas in China. Different water footprint types including blue water, green water, and grey water are considered in this study...
2017: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/28428570/investigation-of-the-erosive-potential-of-sour-novelty-sweets
#14
A Aljawad, M Z Morgan, R Fairchild, J S Rees
Background The expansion of the novelty sweets market in the UK has major potential public health implications in children and young adults as they may cause dental erosion.Objective To investigate the erosive potential of the novelty sweets in term of their physiochemical properties and amount of enamel loss.Subjects and methods The pH of a variety of novelty sweets was tested in vitro using a pH meter and the neutralisable acidity was assessed by titrating the sweets against 0.1M NaOH. The viscosity of the novelty sweets was measured using a rotational viscometer...
April 21, 2017: British Dental Journal
https://www.readbyqxmd.com/read/28423504/variations-in-the-bitterness-perception-related-genes-tas2r38-and-ca6-modify-the-risk-for-colorectal-cancer-in-koreans
#15
Jeong-Hwa Choi, Jeonghee Lee, Jae Hwan Oh, Hee Jin Chang, Dae Kyung Sohn, Aesun Shin, Jeongseon Kim
Bitterness perception is known to be an important factor in individuals' dietary behaviors and is also associated with the sensing of nutritious/noxious molecules for subsequent metabolic responses in multiple organs. Therefore, the genetic variation in bitterness sensing may be associated with diet-related diseases, including colorectal cancer (CRC). We investigated the influence of variations in the bitterness-sensing genes taste receptor type 2 member 38 (TAS2R38) and carbonic anhydrase 6 (CA6) on the consumption of food, tobacco and alcohol and the risk of CRC in Koreans...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423236/improvement-in-treatment-abandonment-in-pediatric-patients-with-cancer-in-guatemala
#16
Elysia Alvarez, Midori Seppa, Silvia Rivas, Lucia Fuentes, Patricia Valverde, Federico Antillón-Klussmann, Mauricio Castellanos, E Alejandro Sweet-Cordero, Kevin Messacar, John Kurap, Marisol Bustamante, Scott C Howard, Bradley Efron, Sandra Luna-Fineman
BACKGROUND: Treatment refusal and abandonment are major causes of treatment failure for children with cancer in low- and middle-income countries (LMICs), like Guatemala. This study identified risk factors for and described the intervention that decreased abandonment. METHODS: This was a retrospective study of Guatemalan children (0-18 years) with cancer treated at the Unidad Nacional de Oncología Pediátrica (UNOP), 2001-2008, using the Pediatric Oncology Network Database...
April 19, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28422253/3d-printed-poly-vinylidene-fluoride-carbon-nanotube-composites-as-a-tunable-low-cost-chemical-vapour-sensing-platform
#17
Z C Kennedy, J F Christ, K A Evans, B W Arey, L E Sweet, M G Warner, R L Erikson, C A Barrett
We report the production of flexible, highly-conductive poly(vinylidene fluoride) (PVDF) and multi-walled carbon nanotube (MWCNT) composites as filament feedstock for 3D printing. This account further describes, for the first time, fused deposition modelling (FDM) derived 3D-printed objects with chemiresistive properties in response to volatile organic compounds. The typically prohibitive thermal expansion and die swell characteristics of PVDF were minimized by the presence of MWCNTs in the composites enabling straightforward processing and printing...
April 19, 2017: Nanoscale
https://www.readbyqxmd.com/read/28419867/sustained-blockade-of-ascorbic-acid-transport-associated-with-marked-svct1-loss-in-rat-hepatocytes-containing-increased-ascorbic-acid-levels-after-partial-hepatectomy
#18
Mafalda Maldonado, Eveling Inostroza, Eduardo Peña, Natacha Moncada, Lorena Mardones, José Luis Medina, Alejandra Muñoz, Marcell Gatica, Marcelo Villagrán, Elizabeth Escobar, Pamela Mendoza, Francisco J Roa, Mauricio González, Paula Guzmán, Francisco A Gutiérrez-Castro, Karen Sweet, Carola Muñoz-Montesino, Juan Carlos Vera, Coralia I Rivas
The liver has an extraordinary regenerative capacity in response to partial hepatectomy (PHx), which develops with neither tissue inflammation response nor alterations in the whole organism. This process is highly coordinated and it has been associated with changes in glutathione (GSH) metabolism. However, there are no reports indicating ascorbic acid (AA) levels after partial hepatectomy. AA and GSH act integrally as an antioxidant system that protects cells and tissues from oxidative damage and imbalance observed in a variety of diseases that affect the liver...
April 15, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28419463/profiling-of-anthocyanins-in-transgenic-purple-fleshed-sweet-potatoes-by-hplc-ms-ms
#19
Jingqiu Ge, Yijie Hu, Hongxia Wang, Yuanshe Huang, Peng Zhang, Zhihua Liao, Min Chen
BACKGROUND: Anthocyanins in Purple-fleshed Sweet Potato (PSP) are beneficial to human health. The leaf color (Lc) gene is a transcription factor involved in regulating anthocyanin biosynthesis. The anthocyanin profiles of wild-type PSP of Ayamurasaki and its three Lc-transgenic lines were investigated by HPLC-MS/MS. And in vitro antioxidant activities of wild-type and Lc-transgenic lines, including reducing power activity, DPPH radical scavenging activity, hydroxyl radical scavenging activity, linoleic acid autoxidation inhibition activity, ABTS free radical scavenging activity and oxygen radical absorbance capacity activity, were measured...
April 17, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28419127/effects-of-nitrogen-application-rate-nitrogen-synergist-and-biochar-on-nitrous-oxide-emissions-from-vegetable-field-in-south-china
#20
Qiong Yi, Shuanghu Tang, Xiaolin Fan, Mu Zhang, Yuwan Pang, Xu Huang, Qiaoyi Huang
Globally, vegetable fields are the primary source of greenhouse gas emissions. A closed-chamber method together with gas chromatography was used to measure the fluxes of nitrous oxide (N2O) emissions in typical vegetable fields planted with four vegetables sequentially over time in the same field: endive, lettuce, cabbage and sweet corn. Results showed that N2O fluxes occurred in pulses with the N2O emission peak varying greatly among the crops. In addition, N2O emissions were linearly associated with the nitrogen (N) application rate (r = 0...
2017: PloS One
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