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https://www.readbyqxmd.com/read/28638438/real-time-monitoring-of-ptahmgb-activity-in-poplar-transactivation-assays
#1
José M Ramos-Sánchez, Paolo M Triozzi, Alicia Moreno-Cortés, Daniel Conde, Mariano Perales, Isabel Allona
BACKGROUND: Precise control of gene expression is essential to synchronize plant development with the environment. In perennial plants, transcriptional regulation remains poorly understood, mainly due to the long time required to perform functional studies. Transcriptional reporters based on luciferase have been useful to study circadian and diurnal regulation of gene expression, both by transcription factors and chromatin remodelers. The high mobility group proteins are considered transcriptional chaperones that also modify the chromatin architecture...
2017: Plant Methods
https://www.readbyqxmd.com/read/28637378/surveillance-to-inform-control-of-emerging-plant-diseases-an-epidemiological-perspective
#2
Stephen Parnell, Frank van den Bosch, Tim Gottwald, Christopher A Gilligan
The rise in emerging pathogens and strains has led to increased calls for more effective surveillance in plant health. We show how epidemiological insights about the dynamics of disease spread can improve the targeting of when and where to sample. We outline some relatively simple but powerful statistical approaches to inform surveillance and describe how they can be adapted to include epidemiological information. This enables us to address questions such as: Following the first report of an invading pathogen, what is the likely incidence of disease? If no cases of disease have been found, how certain can we be that the disease was not simply missed by chance? We illustrate the use of spatially explicit stochastic models to optimize targeting of surveillance and control resources...
June 21, 2017: Annual Review of Phytopathology
https://www.readbyqxmd.com/read/28636352/prevention-of-marine-biofouling-using-the-natural-allelopathic-compound-batatasin-iii-and-synthetic-analogues
#3
Lindon W K Moodie, Rozenn Trepos, Gunnar Cervin, Kari Anne Bråthen, Bente Lindgård, Rigmor Reiersen, Patrick Cahill, Henrik Pavia, Claire Hellio, Johan Svenson
The current study reports the first comprehensive evaluation of a class of allelopathic terrestrial natural products as antifoulants in a marine setting. To investigate the antifouling potential of the natural dihydrostilbene scaffold, a library of 22 synthetic dihydrostilbenes with varying substitution patterns, many of which occur naturally in terrestrial plants, were prepared and assessed for their antifouling capacity. The compounds were evaluated in an extensive screen against 16 fouling marine organisms...
June 21, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28624857/bioaccumulation-of-heavy-metals-and-ecophysiological-responses-to-heavy-metal-stress-in-selected-populations-of-vaccinium-myrtillus-l-and-vaccinium-vitis-idaea-l
#4
Marta Kandziora-Ciupa, Aleksandra Nadgórska-Socha, Gabriela Barczyk, Ryszard Ciepał
The aim of this study was to determine the concentrations of heavy metals (Cd, Pb, Zn, Fe, and Mn) in soil, and their bioavailability and bioaccumulation in Vaccinium myrtillus L. and Vaccinium vitis-idaea L. organs. Analysis also concerned the physiological responses of these plants from three polluted sites (immediate vicinity of a zinc smelter in Miasteczko Śląskie, ArcelorMittal Poland S.A. iron smelter in Dąbrowa Górnicza-Łosień, and Jaworzno III power plant in Jaworzno) and one pseudo-control site (Pazurek nature reserve in Jaroszowiec Olkuski)...
June 17, 2017: Ecotoxicology
https://www.readbyqxmd.com/read/28608648/prolonged-elevated-body-mass-index-of-preschool-children-after-the-great-east-japan-earthquake
#5
Tsuyoshi Isojima, Susumu Yokoya, Atsushi Ono, Noriko Kato, Toshiaki Tanaka, Hiroshi Yokomichi, Zentaro Yamagata, Soichiro Tanaka, Hiroko Matsubara, Mami Ishikuro, Masahiro Kikuya, Shoichi Chida, Mitsuaki Hosoya, Shinichi Kuriyama, Shigeo Kure
BACKGROUND: The Great East Japan Earthquake followed by tsunamis and the Fukushima Daiichi Nuclear Power Plant (NPP) accident caused catastrophic damages. The effects of the disaster on the growth of affected children are of great concern but remain unknown. METHODS: The study population was derived from two Japanese nationwide retrospective cohorts (historical and exposed groups, respectively). The exposed group experienced the disaster at 47 to 59 months of age...
June 13, 2017: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/28608300/in-situ-assay-of-nitrate-reductase-activity-using-portable-water-bath
#6
Adam Rajsz, Bronisław Wojtuń, Andrzej Bytnerowicz
In environmental research (i.e., plant ecophysiology, environmental microbiology, and environmental chemistry), some assays require incubation of samples at controlled temperature and darkness. Until now, due to a lack of equipment providing such possibility in situ, researchers had to move collected samples to the laboratory for incubation. Obviously, a delayed incubation and the ex situ conditions could seriously affect the assays' results. A good example of analysis where water bath use is needed is the nitrate reductase activity (NRA) in vivo assay where plant tissue samples are incubated in buffer solution at a predetermined temperature...
July 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28605865/source-apportionment-of-fine-particulate-matter-in-china-in-2013-using-a-source-oriented-chemical-transport-model
#7
Zhihao Shi, Jingyi Li, Lin Huang, Peng Wang, Li Wu, Qi Ying, Hongliang Zhang, Li Lu, Xuejun Liu, Hong Liao, Jianlin Hu
China has been suffering high levels of fine particulate matter (PM2.5). Designing effective PM2.5 control strategies requires information about the contributions of different sources. In this study, a source-oriented Community Multiscale Air Quality (CMAQ) model was applied to quantitatively estimate the contributions of different source sectors to PM2.5 in China. Emissions of primary PM2.5 and gas pollutants of SO2, NOx, and NH3, which are precursors of particulate sulfate, nitrate, and ammonium (SNA, major PM2...
June 8, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28602286/studying-radiolytic-ageing-of-nuclear-power-plant-electric-cables-with-ftir-spectroscopy
#8
A Levet, J Colombani, L Duponchel
Due to the willingness to extend the nuclear power plants length of life, it is of prime importance to understand long term ageing effect on all constitutive materials. For this purpose gamma-irradiation effects on insulation of instrumentation and control cables are studied. Mid-infrared spectroscopy and principal components analysis (PCA) were used to highlight molecular modifications induced by gamma-irradiation under oxidizing conditions. In order to be closer to real world conditions, a low dose rate of 11Gyh(-1) was used to irradiate insulations in full cable or alone with a dose up to 58 kGy...
September 1, 2017: Talanta
https://www.readbyqxmd.com/read/28600539/genetic-determinants-of-crop-timing-and-quality-traits-in-two-interspecific-petunia-recombinant-inbred-line-populations
#9
Yufang Guo, Wei-Kuang Lin, QiuXia Chen, Veronica A Vallejo, Ryan M Warner
The rate at which plants develop new nodes (development rate) is a major determinant of crop production time, yet the genetic control of this process, including genetic interactions with crop quality parameters, is poorly understood. We employed a modified genotyping-by-sequencing approach and generated genetic linkage maps with 6,291 and 3,297 single nucleotide polymorphisms (SNPs) for the interspecific Petunia recombinant inbred line (RIL) population - P. axillaris × P. exserta (AE) and P. integrifolia × P...
June 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28599799/dry-syngas-purification-process-for-coal-gas-produced-in-oxy-fuel-type-integrated-gasification-combined-cycle-power-generation-with-carbon-dioxide-capturing-feature
#10
Makoto Kobayashi, Hiroyuki Akiho
Electricity production from coal fuel with minimizing efficiency penalty for the carbon dioxide abatement will bring us sustainable and compatible energy utilization. One of the promising options is oxy-fuel type Integrated Gasification Combined Cycle (oxy-fuel IGCC) power generation that is estimated to achieve thermal efficiency of 44% at lower heating value (LHV) base and provide compressed carbon dioxide (CO2) with concentration of 93 vol%. The proper operation of the plant is established by introducing dry syngas cleaning processes to control halide and sulfur compounds satisfying tolerate contaminants level of gas turbine...
June 6, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28599609/effects-of-integrated-designs-of-alarm-and-process-information-on-diagnosis-performance-in-digital-nuclear-power-plants
#11
Xiaojun Wu, Manrong She, Zhizhong Li, Fei Song, Wei Sang
In the main control rooms of nuclear power plants (NPPs), operators frequently switch between alarm displays and system-information displays to incorporate information from different screens. In this study, we investigated two integrated designs of alarm and process information - integrating alarm information into process displays (denoted as Alarm2Process integration) and integrating process information into alarm displays (denoted as Process2Alarm integration). To analyse the effects of the two integration approaches and time pressure on the diagnosis performance, a laboratory experiment was conducted with ninety-six students...
June 9, 2017: Ergonomics
https://www.readbyqxmd.com/read/28587913/fast-adm1-implementation-for-the-optimization-of-feeding-strategy-using-near-infrared-spectroscopy
#12
Cyrille Charnier, Eric Latrille, Julie Jimenez, Michel Torrijos, Philippe Sousbie, Jérémie Miroux, Jean-Philippe Steyer
Optimization of feeding strategy is an essential issue of anaerobic co-digestion that can be greatly assisted with simulation tools such as the Anaerobic Digestion Model 1. Using this model, a set of parameters, such as the biochemical composition of the waste to be digested, its methane production yield and kinetics, has to be defined for each new substrate. In the recent years, near infrared analyses have been reported as a fast and accurate solution for the estimation of methane production yield and biochemical composition...
May 25, 2017: Water Research
https://www.readbyqxmd.com/read/28585324/identification-of-major-loci-and-genomic-regions-controlling-acid-and-volatile-content-in-tomato-fruit-implications-for-flavor-improvement
#13
Guillaume Bauchet, Stéphane Grenier, Nicolas Samson, Vincent Segura, Aniko Kende, Jules Beekwilder, Katarina Cankar, Jean-Luc Gallois, Justine Gricourt, Julien Bonnet, Charles Baxter, Laurent Grivet, Mathilde Causse
Plant metabolites are important to world food security due to their roles in crop yield and nutritional quality. Here we report the metabolic profile of 300 tomato accessions (Solanum lycopersicum and related wild species) by quantifying 60 primary and secondary metabolites, including volatile organic compounds, over a period of 2 yr. Metabolite content and genetic inheritance of metabolites varied broadly, both within and between different genetic groups. Using genotype information gained from 10 000 single nucleotide polymorphism markers, we performed a metabolite genome-wide association mapping (GWAS) study...
June 6, 2017: New Phytologist
https://www.readbyqxmd.com/read/28579185/are-dietary-reports-in-a-case-control-study-on-thyroid-cancer-biased-by-risk-perception-of-chernobyl-fallout
#14
C Xhaard, A Dumas, V Souchard, Y Ren, F Borson-Chazot, G Sassolas, C Schvartz, M Colonna, B Lacour, A S Wonoroff, M Velten, E Clero, S Maillard, E Marrer, L Bailly, E Mariné Barjoan, M Schlumberger, J Orgiazzi, E Adjadj, C Rubino, A Bouville, V Drozdovitch, F de Vathaire
BACKGROUND: In retrospective case-control studies performed following nuclear tests or nuclear accidents, individual thyroid radiation dose reconstructions are based on fallout and meteorological data from the residential area, demographic characteristics, and lifestyle as well as dietary information. Collecting the latter is a controversial step, as dietary declarations may be affected by the subjects' beliefs about their risk behavior. This report analyses the potential for such bias in a case-control study performed in eastern France...
June 1, 2017: Revue D'épidémiologie et de Santé Publique
https://www.readbyqxmd.com/read/28570950/cross-kingdom-rna-trafficking-and-environmental-rnai-for-powerful-innovative-pre-and-post-harvest-plant-protection
#15
REVIEW
Ming Wang, Nicholas Thomas, Hailing Jin
​Small RNA (sRNA) induces RNA interference (RNAi) in almost all eukaryotes. While sRNAs can move within an organism, they can also move between interacting organisms to induce gene silencing, a phenomenon called 'cross-kingdom RNAi'. Some sRNAs from pathogens or pests move into host cells and suppress host immunity in both plants and animals; whereas some host sRNAs travel into pathogen/pest cells to inhibit their virulence. Moreover, uptake of exogenous RNAs from the environment was recently discovered in certain fungal pathogens, which makes it possible to suppress fungal diseases by directly applying pathogen-targeting RNAs on crops and post-harvest products...
May 29, 2017: Current Opinion in Plant Biology
https://www.readbyqxmd.com/read/28569210/bacteriophage-prokaryote-dynamics-and-interaction-within-anaerobic-digestion-processes-across-time-and-space
#16
Junyu Zhang, Qun Gao, Qiuting Zhang, Tengxu Wang, Haowei Yue, Linwei Wu, Jason Shi, Ziyan Qin, Jizhong Zhou, Jiane Zuo, Yunfeng Yang
BACKGROUND: Bacteriophage-prokaryote dynamics and interaction are believed to be important in governing microbiome composition and ecosystem functions, yet our limited knowledge of the spatial and temporal variation in phage and prokaryotic community compositions precludes accurate assessment of their roles and impacts. Anaerobic digesters are ideal model systems to examine phage-host interaction, owing to easy access, stable operation, nutrient-rich environment, and consequently enormous numbers of phages and prokaryotic cells...
May 31, 2017: Microbiome
https://www.readbyqxmd.com/read/28556800/disease-prevention-an-opportunity-to-expand-edible-plant-based-vaccines
#17
REVIEW
Christopher Concha, Raúl Cañas, Johan Macuer, María José Torres, Andrés A Herrada, Fabiola Jamett, Cristian Ibáñez
The lethality of infectious diseases has decreased due to the implementation of crucial sanitary procedures such as vaccination. However, the resurgence of pathogenic diseases in different parts of the world has revealed the importance of identifying novel, rapid, and concrete solutions for control and prevention. Edible vaccines pose an interesting alternative that could overcome some of the constraints of traditional vaccines. The term "edible vaccine" refers to the use of edible parts of a plant that has been genetically modified to produce specific components of a particular pathogen to generate protection against a disease...
May 30, 2017: Vaccines
https://www.readbyqxmd.com/read/28555940/altered-molecular-profile-in-thyroid-cancers-from-patients-affected-by-the-three-mile-island-nuclear-accident
#18
David Goldenberg, Mariano Russo, Kenneth Houser, Henry Crist, Jonathan B Derr, Vonn Walter, Joshua I Warrick, Kathryn E Sheldon, James Broach, Darrin V Bann
OBJECTIVES/HYPOTHESIS: In 1979, Three Mile Island (TMI) nuclear power plant experienced a partial meltdown with release of radioactive material. The effects of the accident on thyroid cancer (TC) in the surrounding population remain unclear. Radiation-induced TCs have a lower incidence of single nucleotide oncogenic driver mutations and higher incidence of gene fusions. We used next generation sequencing (NGS) to identify molecular signatures of radiation-induced TC in a cohort of TC patients residing near TMI during the time of the accident...
May 29, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28541833/novel-hybrid-composite-discharge-electrode-for-electrostatic-precipitator
#19
M Ali, K Alam, Y T A Al-Majali, M Kennedy
Over the last few decades, electrostatic precipitators (ESP) have emerged as effective air pollution control devices for treating Coal-fired power plant exhausts. Among the components of the ESP, the discharge electrodes are extremely important in determining the collection efficiency of the ESP. Typically, in wet electrostatic precipitators, the discharge electrodes used must be made of corrosion resistant alloys, which makes them extremely expensive and heavy. Hybrid composite discharge electrodes have the potential to be lightweight and corrosion resistant substitute for traditional metal alloy electrodes used in wet electrostatic precipitators (WESP)...
May 25, 2017: Journal of the Air & Waste Management Association
https://www.readbyqxmd.com/read/28538152/apoptotic-bax-at-oxidatively-stressed-mitochondrial-membranes-lipid-dynamics-and-permeabilization
#20
Artur Peter Günther Dingeldein, Šárka Pokorná, Martin Lidman, Tobias Sparrman, Radek Šachl, Martin Hof, Gerhard Gröbner
Mitochondria are crucial compartments of eukaryotic cells because they function as the cellular power plant and play a central role in the early stages of programmed cell death (apoptosis). To avoid undesired cell death, this apoptotic pathway is tightly regulated by members of the Bcl-2 protein family, which interact on the external surface of the mitochondria, i.e., the mitochondrial outer membrane (MOM), and modulate its permeability to apoptotic factors, controlling their release into the cytosol. A growing body of evidence suggests that the MOM lipids play active roles in this permeabilization process...
May 23, 2017: Biophysical Journal
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