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https://www.readbyqxmd.com/read/28641388/recognition-of-the-component-odors-in-mixtures
#1
Marion E Frank, Dane B Fletcher, Thomas P Hettinger
Natural olfactory stimuli are volatile-chemical mixtures in which relative perceptual saliencies determine which odor-components are identified. Odor identification also depends on rapid selective adaptation, as shown for 4 odor stimuli in an earlier experimental simulation of natural conditions. Adapt-test pairs of mixtures of water-soluble, distinct odor stimuli with chemical features in common were studied. Identification decreased for adapted components but increased for unadapted mixture-suppressed components, showing compound identities were retained, not degraded to individual molecular features...
June 21, 2017: Chemical Senses
https://www.readbyqxmd.com/read/28637326/treatment-of-pertussis-2017
#2
James D Cherry
No abstract text is available yet for this article.
June 15, 2017: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/28632160/the-protease-inhibitor-ci2c-gene-induced-by-bird-cherry-oat-aphid-in-barley-inhibits-green-peach-aphid-fecundity-in-transgenic-arabidopsis
#3
Aleksandra Losvik, Lisa Beste, Sara Mehrabi, Lisbeth Jonsson
Aphids are phloem feeders that cause large damage globally as pest insects. They induce a variety of responses in the host plant, but not much is known about which responses are promoting or inhibiting aphid performance. Here, we investigated whether one of the responses induced in barley by the cereal aphid, bird cherry-oat aphid (Rhopalosiphum padi L.) affects aphid performance in the model plant Arabidopsis thaliana L. A barley cDNA encoding the protease inhibitor CI2c was expressed in A. thaliana and aphid performance was studied using the generalist green peach aphid (Myzus persicae Sulzer)...
June 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28630663/presentation-of-secondary-parasitic-infection-37-years-after-primary-infection
#4
Gary Sharp, David Yeo, Cherry Koh
Echinococcus granulosus (EG) is a neglected pathology that causes cystic echinococcosis and primarily affects the liver and lung. EG infects ~6 million worldwide and mortality is quoted as 2-4% per 100 000 inhabitants. The increase in human traffic from endemic regions demands clinician's awareness. Dogs are the most common definitive host for the EG tapeworm. Human infection requires ingestion of fecal parasitic eggs. Primary infection causes cysts to appear in affected organs, rupture of which leads to secondary infection...
June 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/28630627/changes-in-polyphenols-contents-and-antioxidant-capacities-of-organically-and-conventionally-cultivated-tomato-solanum-lycopersicum-l-fruits-during-ripening
#5
Dea Anton, Ingrid Bender, Tanel Kaart, Mati Roasto, Marina Heinonen, Anne Luik, Tõnu Püssa
Polyphenols of fruits and vegetables form an important part of human dietary compounds. Relatively little is known about accumulation of phenolics during fruits ripening process. The goal of this work was to study the changes in antioxidant activity and in content of 30 polyphenols during ripening of tomato fruits. Five organically and conventionally grown tomato cultivars were investigated at three different ripening stages. Phenolic compounds were extracted with methanol and extracts were analyzed by HPLC-DAD-MS/MS...
2017: International Journal of Analytical Chemistry
https://www.readbyqxmd.com/read/28630415/integrating-genome-and-transcriptome-profiling-for-elucidating-the-mechanism-of-muscle-growth-and-lipid-deposition-in-pekin-ducks
#6
Liyuan Wang, Xiangxiang Li, Jun Ma, Yawen Zhang, Hao Zhang
Muscle growth and lipid deposition are co-ordinately regulated processes. Cherry Valley Pekin duck is a lean-type duck breed with high growth rate, whereas the native Pekin duck of China has high lipid deposition. Phenotypic analysis showed that native Pekin ducks have smaller fibre diameter and larger density in the breast muscle at 3 weeks of age and higher intramuscular fat content at 6 weeks of age than those in Cherry Valley Pekin ducks. We detected 17 positively selected genes (PSGs) by comparing genes mainly involved with muscle organ development, muscle contraction, peroxisome proliferator activated receptor signalling pathway, and fatty acid metabolism...
June 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28627716/a-cherry-seed-derived-spice-mahleb-is-recognized-by-anti-almond-antibodies-including-almond-allergic-patient-ige
#7
Kyle A Noble, Changqi Liu, Shridhar K Sathe, Kenneth H Roux
There are a number of examples of immunologic cross-reactivity elicited by pollens, fruits, seeds, and nuts of closely related plant species. Such cross-reactivity is of particular concern for patients with food allergies. In this report, we investigated a spice (mahleb) that is prepared from the kernel of the St. Lucie cherry, Prunus mahaleb, for cross-reactivity with almond (Prunus dulcis), using enzyme-linked immunosorbent assay (ELISA) and Western blot. Almond and mahleb are members of the same genus. Cross-reactivity between the mahleb and almond was demonstrated by reaction of cherry and almond kernel protein extracts with antibodies raised against almond proteins...
June 19, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28624923/a-comparison-of-enhancement-patterns-on-dynamic-enhanced-ct-and-survival-between-patients-with-pancreatic-neuroendocrine-tumors-with-and-without-intratumoral-fibrosis
#8
Cherry Kim, Jae Ho Byun, Seung-Mo Hong, Soyeon An, Jin Hee Kim, Seung Soo Lee, Hyoung Jung Kim
PURPOSE: To compare CT findings and survival between patients with pancreatic neuroendocrine tumors (pNETs) with and without fibrosis. METHODS: Forty-five pNET patients with intratumoral fibrosis (group A) were matched for age, gender, and tumor size and grade with 45 pNET patients without (group B), and CT images were retrospectively reviewed. Hounsfield units (HUs) of tumors in unenhanced, arterial and portal phases, HU ratio (tumor to normal parenchyma) in each phase, enhancement patterns, visible enhancement pattern changes, and survival were compared...
June 17, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28624543/impact-of-health-care-insurance-status-on-treatment-outcomes-of-acute-myeloid-leukemia
#9
Samer A Srour, Michael Machiorlatti, Namali T Pierson, Usman Z Bhutta, Mohamad Cherry, George B Selby, David M Thompson, Sara K Vesely, Carla D Kurkjian
INTRODUCTION: Insurance status has been found to influence treatment outcomes in various solid tumors. Limited data with conflicting results are available in patients with acute myeloid leukemia (AML). We examined the impact of health insurance at diagnosis on AML treatment outcomes. PATIENTS AND METHODS: All consecutive adult patients (≥ 18 years of age) diagnosed with AML between 2002 and 2011 and followed through August 2013 were included. Survival estimates were calculated by Kaplan-Meier survival curves...
May 10, 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/28623722/recent-advances-in-synthetic-biology-for-engineering-isoprenoid-production-in-yeast
#10
REVIEW
Claudia E Vickers, Thomas C Williams, Bingyin Peng, Joel Cherry
Isoprenoids (terpenes/terpenoids) have many useful industrial applications, but are often not produced at industrially viable level in their natural sources. Synthetic biology approaches have been used extensively to reconstruct metabolic pathways in tractable microbial hosts such as yeast and re-engineer pathways and networks to increase yields. Here we review recent advances in this field, focusing on central carbon metabolism engineering to increase precursor supply, re-directing carbon flux for production of C10, C15, or C20 isoprenoids, and chemical decoration of high value diterpenoids (C20)...
June 14, 2017: Current Opinion in Chemical Biology
https://www.readbyqxmd.com/read/28623562/physical-rupture-of-the-xylem-in-developing-sweet-cherry-fruit-causes-progressive-decline-in-xylem-sap-inflow-rate
#11
Eckhard Grimm, Daniel Pflugfelder, Dagmar van Dusschoten, Andreas Winkler, Moritz Knoche
Xylem flow is progressively shut down during maturation beginning with minor veins at the stylar end and progressing to major veins and finally to bundles at the stem end. This study investigates the functionality of the xylem vascular system in developing sweet cherry fruit (Prunus avium L.). The tracers acid fuchsin and gadoteric acid were fed to the pedicel of detached fruit. The tracer distribution was studied using light microscopy and magnetic resonance imaging. The vasculature of the sweet cherry comprises five major bundles...
June 16, 2017: Planta
https://www.readbyqxmd.com/read/28621401/encapsulation-of-sour-cherry-pomace-extract-by-freeze-drying-characterization-and-storage-stability
#12
Vesna Šaponjac, Gordana Ćetković, Jasna Čanadanović-Brunet, Sonja Đilas, Biljana Pajin, Jovana Petrović, Stajčić Slađana, Jelena Vulić
In this study sour cherry pomace was extracted with food-grade solvent (50% ethanol), concentrated and stabilized in whey and soy proteins by encapsulation. Soy proteins exhibited higher encapsulation efficiency (94.90%), but not significantly (p < 0.05), from whey (90.10%). Storage properties of whey (WP) and soy protein (SP) encapsulates in terms of total polyphenols, anthocyanins and antioxidant activity were tested for 6 weeks. At the end of storage period the retention of polyphenols in SP and WP was similar (67...
June 2017: Acta Chimica Slovenica
https://www.readbyqxmd.com/read/28621383/peach-and-cherry-agroindustrial-wastes-new-and-economic-sources-for-the-production-of-lignocellulolytic-enzymes
#13
Merve Akpinar, Raziye Urek
Pleurotus eryngii was incubated on both peach and cherry agroindustrial wastes by solid state fermentation for 30 days without/with pretreatment conditions. The lignocellulosic substrates were pretreated with dilute acid and alkaline solutions, hot water before incubation. The maximum carboxymethyl cellulase and xylanase activities peaked on 3rd and 5th days under control conditions of both wastes, respectively. The highest laccase and manganese peroxidase activities reached to their maximum on 17th day as 2193...
June 2017: Acta Chimica Slovenica
https://www.readbyqxmd.com/read/28619152/the-newly-emerging-duck-origin-goose-parvovirus-in-china-exhibits-a-wide-range-of-pathogenicity-to-main-domesticated-waterfowl
#14
Shifeng Xiao, Shilong Chen, Xiaoxia Cheng, Fengqiang Lin, Shao Wang, Xiaoli Zhu, Bo Yu, Meiqing Huang, Jinxiang Wang, Nanyang Wu, Min Zheng, Shaoying Chen, Fusong Yu
Short beak and dwarfism syndrome virus (SBDSV) is a newly emerging distinct duck-origin goose parvovirus that belongs to the genus Dependovirus. Our previous studies have found that SBDSV was highly pathogenic to Cherry Valley ducklings and mule ducklings. However, little is known about its pathogenicity to other waterfowls. In the present study, the pathogenicity of SBDSV was evaluated in domesticated waterfowl including Muscovy ducklings, Sheldrake ducklings and domestic goslings. All experimentally infected birds exhibited remarkable growth retardation, anorexia and diarrhea similar to naturally infected birds...
May 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28619056/ophthalmic-artery-occlusion-following-neuro-embolization-of-the-external-carotid-artery-a-case-report
#15
Ng Wei Loon, Balwant Singh Gendeh, Rozman Zakaria, Jemaima Che Hamzah, Norshamsiah Md Din
BACKGROUND: Embozene® is a new neuroembolizing microsphere used to reduce intraoperative bleeding for head and neck tumours. We report a case of iatrogenic ophthalmic artery occlusion after Embozene® embolization of the external carotid artery (ECA). CASE PRESENTATION: A 22-year-old African gentleman presented with left nasal obstruction and epistaxis for 2 years and was diagnosed with nasopharyngeal carcinoma. He subsequently underwent embolization of the maxillary branch of the left ECA using Embozene® Microspheres - 250 μm in size before endoscopic tumour excision to reduce intra-operative bleeding...
June 15, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28613901/characterization-of-phenolic-compounds-from-early-and-late-ripening-sweet-cherries-and-their-antioxidant-and-antifungal-activities
#16
Meng Wang, Nan Jiang, Yao Wang, Dongmei Jiang, Xiaoyuan Feng
Early and late ripening sweet cherries were characterized for phenolic acids, and also their antioxidant capacity and potential antifungal effects were investigated. Free, conjugated and bound phenolics were identified and quantified using UPLC-MS/MS. Our results indicated that the early ripening cultivars contained higher free phenolic, which positive related to remarkable antioxidant properties and the inhibition effects on A. alternata and tenuazonic acid (TeA) accumulation. However, conjugated phenolics of the late ripening cultivars, mainly including caffeic, 2, 3, 4-trihydroxybenzoic, p-coumaric and pyrocatechuic acids, achieved the highest antifungal effects, and almost completely inhibited the A...
June 14, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28610581/household-air-pollution-from-cooking-and-risk-of-adverse-health-and-birth-outcomes-in-bangladesh-a-nationwide-population-based-study
#17
Md Nuruzzaman Khan, Cherri Zhang B Nurs, M Mofizul Islam, Md Rafiqul Islam, Md Mizanur Rahman
BACKGROUND: Household air pollution (HAP) from cooking with solid fuels has become a leading cause of death and disability in many developing countries including Bangladesh. We assess the association between HAP and risk of selected adverse birth and maternal health outcomes. METHODS: Data for this study were extracted from Bangladesh Demographic and Health Survey conducted during 2007-2014. Selected adverse birth outcomes were acute respiratory infection (ARI) among children, stillbirth, low birth weight (LBW), under-five mortality, neonatal mortality and infant mortality...
June 13, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28609433/prioritising-action-on-occupational-carcinogens-in-europe-a-socioeconomic-and-health-impact-assessment
#18
J W Cherrie, S Hutchings, M Gorman Ng, R Mistry, C Corden, J Lamb, A Sánchez Jiménez, A Shafrir, M Sobey, M van Tongeren, L Rushton
BACKGROUND: Work-related cancer is an important public health issue with a large financial impact on society. The key European legislative instrument is the Carcinogens and Mutagens Directive (2004/37/EC). In preparation for updating the Directive, the European Commission commissioned a study to provide a socioeconomic, health and environmental impact assessment. METHODS: The evaluation was undertaken for 25 preselected hazardous substances or mixtures. Estimates were made of the number of cases of cancer attributable to workplace exposure, both currently and in the future, with and without any regulatory interventions, and these data were used to estimate the financial health costs and benefits...
June 13, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28608173/improvement-in-submergence-tolerance-of-cherry-through-regulation-of-carbohydrate-metabolism-and-plant-growth-by-pserf-and-pscipk
#19
Lixia Sheng, Xiangyi Meng, Meng Wang, Shu Zang, Liguo Feng
Cherry is an important fruit tree with delicious taste and high economic value, which have been planted worldwide. However, this species cannot withstand the presence of excessive amount of water; submergence injury sometimes occurs during cultivation of cherry and results in severe economic losses. By using a submergence-tolerant germplasm Prunus serrulata "Yimeng" and a submergence-sensitive germplasm Prunus pseudocerasus "Aihua" as test materials, this study cloned PsERF and PsCIPK, which are related to submergence tolerance in cherry, and analyzed the expression of PsERF and PsCIPK in submergence-tolerant and submergence-sensitive germplasms under submergence stress; moreover, the consistency and correlation of such expression with carbohydrate metabolism and plant growth-related genes (PsPDC, PsSUS, PsRAMY, and PsEXP) were analyzed...
June 13, 2017: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/28604782/viral-genetic-variation-accounts-for-a-third-of-variability-in-hiv-1-set-point-viral-load-in-europe
#20
François Blanquart, Chris Wymant, Marion Cornelissen, Astrid Gall, Margreet Bakker, Daniela Bezemer, Matthew Hall, Mariska Hillebregt, Swee Hoe Ong, Jan Albert, Norbert Bannert, Jacques Fellay, Katrien Fransen, Annabelle J Gourlay, M Kate Grabowski, Barbara Gunsenheimer-Bartmeyer, Huldrych F Günthard, Pia Kivelä, Roger Kouyos, Oliver Laeyendecker, Kirsi Liitsola, Laurence Meyer, Kholoud Porter, Matti Ristola, Ard van Sighem, Guido Vanham, Ben Berkhout, Paul Kellam, Peter Reiss, Christophe Fraser
HIV-1 set-point viral load-the approximately stable value of viraemia in the first years of chronic infection-is a strong predictor of clinical outcome and is highly variable across infected individuals. To better understand HIV-1 pathogenesis and the evolution of the viral population, we must quantify the heritability of set-point viral load, which is the fraction of variation in this phenotype attributable to viral genetic variation. However, current estimates of heritability vary widely, from 6% to 59%. Here we used a dataset of 2,028 seroconverters infected between 1985 and 2013 from 5 European countries (Belgium, Switzerland, France, the Netherlands and the United Kingdom) and estimated the heritability of set-point viral load at 31% (CI 15%-43%)...
June 2017: PLoS Biology
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