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https://www.readbyqxmd.com/read/29117786/molecular-characterization-and-functional-analysis-of-pr-1-like-proteins-identified-from-the-wheat-head-blight-fungus-fusarium-graminearum
#1
Shunwen Lu, Michael Edwards
The group 1 pathogenesis-related (PR-1) proteins originally identified from plants and their homologues are also found in other eukaryotic kingdoms. Studies on non-plant PR-1-like (PR-1L) proteins have been pursued widely in humans/animals but rarely in filamentous ascomycetes. Here we report the characterization of four PR-1L proteins identified from the ascomycete fungus Fusarium graminearum, the primary cause of Fusarium head blight of wheat and barley. Molecular cloning revealed that the four FgPR-1L proteins are all encoded by small open reading frames (612 to 909 bp) that are often interrupted by introns, in contrast to plant PR-1 genes that lack introns...
November 8, 2017: Phytopathology
https://www.readbyqxmd.com/read/29102856/validity-and-reliability-of-an-iphone-app-to-assess-time-velocity-and-leg-power-during-a-sit-to-stand-functional-performance-test
#2
Juan Diego Ruiz-Cárdenas, Juan José Rodríguez-Juan, Rowan R Smart, Jennifer M Jakobi, Gareth R Jones
The purposes of this study were: (i) Analyze the concurrent validity and reliability of an iPhone App for measuring time, velocity and power during a single sit-to-stand (STS) test compared with measurements recorded from a force plate; and (ii) Evaluate the relationship between the iPhone App measures with age and functional performance. Forty-eight healthy individuals (age range: 26-81 years) were recruited. All participants completed a STS test on a force plate with the movement recorded on an iPhone 6 at 240 frames-per-second...
October 31, 2017: Gait & Posture
https://www.readbyqxmd.com/read/29099672/rotational-and-linear-head-accelerations-from-taekwondo-kicks-and-punches
#3
Gabriel P Fife, David M O'sullivan, Sae Yong Lee
The purpose was to compare rotational and linear head accelerations as a result of taekwondo kicks and punches. Taekwondo athletes executed five repetitions of the turning kick, spinning hook kick, hook punch, straight punch, and jab punch to a Hybrid III Crash Test Dummy head-neck complex. A tri-axial accelerometer and an angular rate sensor were mounted inside the Hybrid III head to measure resultant linear (RLA) and rotational accelerations. The Hybrid III was fixed to a height-adjustable frame and fitted with protective taekwondo headgear...
November 3, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29079826/hydrogen-substituted-graphdiyne-as-carbon-rich-flexible-electrode-for-lithium-and-sodium-ion-batteries
#4
Jianjiang He, Ning Wang, Zili Cui, Huiping Du, Lin Fu, Changshui Huang, Ze Yang, Xiangyan Shen, Yuanping Yi, Zeyi Tu, Yuliang Li
Organic electrodes are potential alternatives to current inorganic electrode materials for lithium ion and sodium ion batteries powering portable and wearable electronics, in terms of their mechanical flexibility, function tunability and low cost. However, the low capacity, poor rate performance and rapid capacity degradation impede their practical application. Here, we concentrate on the molecular design for improved conductivity and capacity, and favorable bulk ion transport. Through an in situ cross-coupling reaction of triethynylbenzene on copper foil, the carbon-rich frame hydrogen substituted graphdiyne film is fabricated...
October 27, 2017: Nature Communications
https://www.readbyqxmd.com/read/29044820/will-fluctuations-in-salt-marsh-mangrove-dominance-alter-vulnerability-of-a-subtropical-wetland-to-sea-level-rise
#5
Karen L McKee, William C Vervaeke
To avoid submergence during sea-level rise, coastal wetlands build soil surfaces vertically through accumulation of inorganic sediment and organic matter. At climatic boundaries where mangroves are expanding and replacing salt marsh, wetland capacity to respond to sea-level rise may change. To compare how well mangroves and salt marshes accommodate sea-level rise, we conducted a manipulative field experiment in a subtropical plant community in the subsiding Mississippi River Delta. Experimental plots were established in spatially equivalent positions along creek banks in monospecific stands of Spartina alterniflora (smooth cordgrass) or Avicennia germinans (black mangrove) and in mixed stands containing both species...
October 16, 2017: Global Change Biology
https://www.readbyqxmd.com/read/29025823/standing-collaboration-a-study-protocol-for-developing-clinical-standards
#6
Louise K Wiles, Peter D Hibbert, Jacqueline H Stephens, Enrico Coiera, Johanna Westbrook, Jeffrey Braithwaite, Ric O Day, Ken M Hillman, William B Runciman
INTRODUCTION: Despite widespread availability of clinical practice guidelines (CPGs), considerable gaps continue between the care that is recommended ('appropriate care') and the care provided. Problems with current CPGs are commonly cited as barriers to providing 'appropriate care'.Our study aims to develop and test an alternative method to keep CPGs accessible and up to date. This method aims to mitigate existing problems by using a single process to develop clinical standards (embodied in clinical indicators) collaboratively with researchers, healthcare professionals, patients and consumers...
October 11, 2017: BMJ Open
https://www.readbyqxmd.com/read/28992063/the-evolutionary-history-of-saccharomyces-species-inferred-from-completed-mitochondrial-genomes-and-revision-in-the-yeast-mitochondrial-genetic-code
#7
Pavol Sulo, Dana Szabóová, Peter Bielik, Silvia Poláková, Katarína Šoltys, Katarína Jatzová, Tomáš Szemes
The yeast Saccharomyces are widely used to test ecological and evolutionary hypotheses. A large number of nuclear genomic DNA sequences are available, but mitochondrial genomic data are insufficient. We completed mitochondrial DNA (mtDNA) sequencing from Illumina MiSeq reads for all Saccharomyces species. All are circularly mapped molecules decreasing in size with phylogenetic distance from Saccharomyces cerevisiae but with similar gene content including regulatory and selfish elements like origins of replication, introns, free-standing open reading frames or GC clusters...
June 15, 2017: DNA Research: An International Journal for Rapid Publication of Reports on Genes and Genomes
https://www.readbyqxmd.com/read/28972995/the-mitochondrial-genome-of-the-plant-pathogenic-fungus-stemphylium-lycopersici-uncovers-a-dynamic-structure-due-to-repetitive-and-mobile-elements
#8
Mario Emilio Ernesto Franco, Silvina Marianela Yanil López, Rocio Medina, César Gustavo Lucentini, Maria Inés Troncozo, Graciela Noemí Pastorino, Mario Carlos Nazareno Saparrat, Pedro Alberto Balatti
Stemphylium lycopersici (Pleosporales) is a plant-pathogenic fungus that has been associated with a broad range of plant-hosts worldwide. It is one of the causative agents of gray leaf spot disease in tomato and pepper. The aim of this work was to characterize the mitochondrial genome of S. lycopersici CIDEFI-216, to use it to trace taxonomic relationships with other fungal taxa and to get insights into the evolutionary history of this phytopathogen. The complete mitochondrial genome was assembled into a circular double-stranded DNA molecule of 75,911 bp that harbors a set of 37 protein-coding genes, 2 rRNA genes (rns and rnl) and 28 tRNA genes, which are transcribed from both sense and antisense strands...
2017: PloS One
https://www.readbyqxmd.com/read/28964232/creation-and-characterization-of-free-standing-cryogenic-targets-for-laser-driven-ion-acceleration
#9
Alexandra Tebartz, Stefan Bedacht, Markus Hesse, Sam Astbury, Rob Clarke, Alex Ortner, Gabriel Schaumann, Florian Wagner, David Neely, Markus Roth
A technique for the creation of free-standing cryogenic targets for laser-driven ion acceleration is presented, which allows us to create solid state targets consisting of initially gaseous materials. In particular, the use of deuterium and the methods for its preparation as a target material for laser-driven ion acceleration are discussed. Moving in the phase diagram through the liquid phase leads to the substance covering an aperture on a cooled copper frame where it is solidified through further cooling...
September 2017: Review of Scientific Instruments
https://www.readbyqxmd.com/read/28961876/health-assessments-for-health-governance-concepts-and-methodologies
#10
Rainer Fehr, Kristina Alexanderson, Carlo Favaretti, Judith de Jong, Giuseppe La Torre, Tek-Ang Lim, Piedad Martin-Olmedo, Odile C L Mekel, Kai Michelsen, Nicole Rosenkötter, Marieke Verschuuren, Chiara de Waure, Dineke Zeegers Paget
Background: For better supporting the science-governance interface, the potential of health assessments appears underrated. Aims: To identify what various types of health assessment have in common; how they differ; which assessment(s) to apply for which purpose; and what needs and options there are for future joint development. Methods: This review is based on five types of health assessment: monitoring/surveillance/reporting, assessment of health impact, of health technology, of health systems performance, health-related economic assessment...
August 1, 2017: European Journal of Public Health
https://www.readbyqxmd.com/read/28956598/noninvasive-cathodoluminescence-activated-nanoimaging-of-dynamic-processes-in-liquids
#11
Connor G Bischak, Rebecca B Wai, Charles Cherqui, Jacob A Busche, Steven C Quillin, Craig L Hetherington, Zhe Wang, Clarice D Aiello, Darrell G Schlom, Shaul Aloni, D Frank Ogletree, David J Masiello, Naomi S Ginsberg
In situ electron microscopy provides remarkably high spatial resolution, yet electron beam irradiation often damages soft materials and perturbs dynamic processes, requiring samples to be very robust. Here, we instead noninvasively image the dynamics of metal and polymer nanoparticles in a liquid environment with subdiffraction resolution using cathodoluminescence-activated imaging by resonant energy transfer (CLAIRE). In CLAIRE, a free-standing scintillator film serves as a nanoscale optical excitation source when excited by a low energy, focused electron beam...
October 24, 2017: ACS Nano
https://www.readbyqxmd.com/read/28927566/low-rates-of-adverse-events-following-ambulatory-outpatient-total-hip-arthroplasty-at-a-free-standing-surgery-center
#12
Patrick C Toy, Matthew N Fournier, Thomas W Throckmorton, William M Mihalko
BACKGROUND: We proposed to determine the complication and hospital admission rates for patients with total hip arthroplasty (THA) done by a single surgeon in a stand-alone ambulatory surgical center with same-day discharge. Given the recent emphasis on bundled payments for a 90-day episode of care, this same time frame after surgery was chosen to determine patient outcomes. METHODS: The records of patients with THAs done through a direct anterior approach by a single surgeon at 2 separate ambulatory surgery centers were reviewed...
August 26, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28922561/reconciling-female-genital-circumcision-with-universal-human-rights
#13
John-Stewart Gordon
One of the most challenging issues in cross-cultural bioethics concerns the long-standing socio-cultural practice of female genital circumcision (FGC), which is prevalent in many African countries and the Middle East as well as in some Asian and Western countries. It is commonly assumed that FGC, in all its versions, constitutes a gross violation of the universal human rights of health, physical integrity, and individual autonomy and hence should be abolished. This article, however, suggests a mediating approach according to which one form of FGC, the removal of the clitoris foreskin, can be made compatible with the high demands of universal human rights...
September 18, 2017: Developing World Bioethics
https://www.readbyqxmd.com/read/28918301/mathematical-fundamentals-for-the-noise-immunity-of-the-genetic-code
#14
Elena Fimmel, Lutz Strüngmann
Symmetry is one of the essential and most visible patterns that can be seen in nature. Starting from the left-right symmetry of the human body, all types of symmetry can be found in crystals, plants, animals and nature as a whole. Similarly, principals of symmetry are also some of the fundamental and most useful tools in modern mathematical natural science that play a major role in theory and applications. As a consequence, it is not surprising that the desire to understand the origin of life, based on the genetic code, forces us to involve symmetry as a mathematical concept...
September 13, 2017: Bio Systems
https://www.readbyqxmd.com/read/28915093/sport-skill-specific-expertise-biases-sensory-integration-for-spatial-referencing-and-postural-control
#15
Michalis Thalassinos, Giorgos Fotiadis, Fotini Arabatzi, Brice Isableu, Vassilia Hatzitaki
The authors asked how sport expertise modulates visual field dependence and sensory reweighting for controlling posture. Experienced soccer athletes, ballet dancers, and nonathletes performed (a) a Rod and Frame test and (b) a 100-s bipedal stance task during which vision and proprioception were successively or concurrently disrupted in 20-s blocks. Postural adaptation was assessed in the mean center of pressure displacement, root mean square of center of pressure velocity and ankle muscles integrated electromyography activity...
September 15, 2017: Journal of Motor Behavior
https://www.readbyqxmd.com/read/28895624/development-of-an-incremental-sit-to-stand-exercise-for-aerobic-fitness-evaluation
#16
Keisuke Nakamura, Yuya Nagasawa, Shoji Sawaki, Yoshiharu Yokokawa, Masayoshi Ohira
Incremental sit-to-stand exercise (ISTS) is an incremental exercise test using external signals to control the sit-to-stand rate in a given time frame. This study aimed to investigate the concurrent validity and reproducibility of the ISTS in aerobic fitness evaluation among healthy elderly women. Sixteen elderly women performed the ISTS and cycle ergometer test at 3-day to 2-week intervals, and six of the participants performed the ISTS twice. Peak oxygen uptake (VO2), peak heart rate and completion time on the ISTS and cycle ergometer test were determined...
October 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/28890459/james-e-webb-technocracy-and-the-new-deal-roots-of-space-age-management
#17
Allan A Needell
abstract James E. Webb, NASA's Administrator during the hectic years preparing to send American astronauts to the Moon, has come to represent the pinnacle of postwar American optimism and support for large-scale, technically complex national undertakings. Success in 1969 lent credence to Webb's faith in "space age management." By the 1980s such "technocratic optimism" had precipitously declined. Since 1985, with the publication of Walter A. McDougall's Pulitzer Prize winning. . . The Heavens and the Earth, the rise and decline of such optimism has often been framed in the context of Cold War ideology and competition...
2017: Technology and Culture
https://www.readbyqxmd.com/read/28874580/molecular-mechanism-of-water-reorientational-slowing-down-in-concentrated-ionic-solutions
#18
Qiang Zhang, TianMin Wu, Chen Chen, Shaul Mukamel, Wei Zhuang
Water dynamics in concentrated ionic solutions plays an important role in a number of material and energy conversion processes such as the charge transfer at the electrolyte-electrode interface in aqueous rechargeable ion batteries. One long-standing puzzle is that all electrolytes, regardless of their "structure-making/breaking" nature, make water rotate slower at high concentrations. To understand this effect, we present a theoretical simulation study of the reorientational motion of water molecules in different ionic solutions...
September 19, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28814056/design-of-a-lightweight-tethered-torque-controlled-knee-exoskeleton
#19
Kirby Ann Witte, Andreas M Fatschel, Steven H Collins
Lower-limb exoskeletons show promise for improving gait rehabilitation for those with chronic gait abnormalities due to injury, stroke or other illness. We designed and built a tethered knee exoskeleton with a strong lightweight frame and comfortable, four-point contact with the leg. The device is structurally compliant in select directions, instrumented to measure joint angle and applied torque, and is lightweight (0.76 kg). The exoskeleton is actuated by two off-board motors. Closed loop torque control is achieved using classical proportional feedback control with damping injection in conjunction with iterative learning...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28809057/understanding-frames-a-uk-survey-of-parents-and-professionals-regarding-the-use-of-standing-frames-for-children-with-cerebral-palsy
#20
J Goodwin, A Colver, A Basu, S Crombie, D Howel, J R Parr, E McColl, N Kolehmainen, A Roberts, J Lecouturier, J Smith, K Miller, J Cadwgan
BACKGROUND: Standing frames are used for children with cerebral palsy (CP). They may improve body structure and function (e.g., reducing risk of hip subluxation, and improving bladder and bowel function), improving activity (e.g., motor abilities) and participation (e.g., interaction with peers), but there is little evidence that they do. We aimed to identify current UK standing frame practice for children with CP and to understand stakeholder views regarding their clinical benefits and challenges to use...
August 15, 2017: Child: Care, Health and Development
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