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https://www.readbyqxmd.com/read/28724087/nitrate-leaching-from-winter-cereal-cover-crops-using-undisturbed-soil-column-lysimeters
#1
John J Meisinger, Kristin A Ricigliano
Cover crops are important management practices for reducing nitrogen (N) leaching, especially in the Chesapeake Bay watershed, which is under total maximum daily load (TMDL) restraints. Winter cereals are common cool-season crops in the Bay watershed, but studies have not directly compared nitrate-N (NO-N) leaching losses from these species. A 3-yr cover crop lysimeter study was conducted in Beltsville, MD, to directly compare NO-N leaching from a commonly grown cultivar of barley ( L.), rye ( L.), and wheat ( L...
May 2017: Journal of Environmental Quality
https://www.readbyqxmd.com/read/28724085/quantitative-trait-loci-mapping-for-spike-characteristics-in-hexaploid-wheat
#2
Yaopeng Zhou, Benjamin Conway, Daniela Miller, David Marshall, Aaron Cooper, Paul Murphy, Shiaoman Chao, Gina Brown-Guedira, José Costa
Wheat ( L.) spike characteristics determine the number of grains produced on each spike and constitute key components of grain yield. Understanding of the genetic basis of spike characteristics in wheat, however, is limited. In this study, genotyping-by-sequencing (GBS) and the iSelect 9K assay were used on a doubled-haploid (DH) soft red winter wheat population that showed a wide range of phenotypic variation for spike traits. A genetic map spanning 2934.1 cM with an average interval length of 3.4 cM was constructed...
July 2017: Plant Genome
https://www.readbyqxmd.com/read/28724062/increasing-genomic-enabled-prediction-accuracy-by-modeling-genotype-%C3%A3-environment-interactions-in-kansas-wheat
#3
Diego Jarquín, Cristiano Lemes da Silva, R Chris Gaynor, Jesse Poland, Allan Fritz, Reka Howard, Sarah Battenfield, Jose Crossa
Wheat ( L.) breeding programs test experimental lines in multiple locations over multiple years to get an accurate assessment of grain yield and yield stability. Selections in early generations of the breeding pipeline are based on information from only one or few locations and thus materials are advanced with little knowledge of the genotype × environment interaction (G × E) effects. Later, large trials are conducted in several locations to assess the performance of more advanced lines across environments...
July 2017: Plant Genome
https://www.readbyqxmd.com/read/28724061/multi-locus-mixed-model-analysis-of-stem-rust-resistance-in-winter-wheat
#4
Paul D Mihalyov, Virginia A Nichols, Peter Bulli, Matthew N Rouse, Michael O Pumphrey
Genome-wide association mapping is a powerful tool for dissecting the relationship between phenotypes and genetic variants in diverse populations. With the improved cost efficiency of high-throughput genotyping platforms, association mapping is a desirable method of mining populations for favorable alleles that hold value for crop improvement. Stem rust, caused by the fungus f. sp. is a devastating disease that threatens wheat ( L.) production worldwide. Here, we explored the genetic basis of stem rust resistance in a global collection of 1411 hexaploid winter wheat accessions genotyped with 5390 single nucleotide polymorphism markers...
July 2017: Plant Genome
https://www.readbyqxmd.com/read/28722639/human-cases-of-tularemia-in-armenia-1996-2012
#5
Syuzanna Melikjanyan, Karo Palayan, Artavazd Vanyan, Lilit Avetisyan, Nune Bakunts, Marine Kotanyan, Marta Guerra
A retrospective analysis was conducted of human cases and outbreaks of tularemia in the Republic of Armenia from 1996 to 2012 utilizing Geographic Information System software. A total of 266 human cases of tularemia were recorded in Armenia from 1996 to 2012, with yearly incidence ranging from 0 to 5.5 cases per 100,000 people. Cases predominantly affected the male population (62.8%), 11-20 year age group (37.2%), agricultural workers (49.6%), and persons residing in rural areas (93.6%). In 2003, a waterborne outbreak involving 158 cases occurred in Kotayk Marz, and in 2007, a foodborne outbreak with 17 cases occurred in Gegharkunik Marz, attributed to exposure of food products to contaminated hay...
June 19, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28721885/nrg-oncology-radiation-therapy-oncology-group-study-1014-1-year-toxicity-report-from-a-phase-2-study-of-repeat-breast-preserving-surgery-and-3-dimensional-conformal-partial-breast-reirradiation-for-in-breast-recurrence
#6
Douglas W Arthur, Kathryn A Winter, Henry M Kuerer, Bruce G Haffty, Laurie W Cuttino, Dorin A Todor, Nicole L Simone, Shelly B Hayes, Wendy A Woodward, Beryl McCormick, Randi J Cohen, Walter M Sahijdak, Daniel J Canaday, Doris R Brown, Adam D Currey, Christine M Fisher, Reshma Jagsi, Julia White
PURPOSE: To determine the associated toxicity, tolerance, and safety of partial-breast reirradiation. METHODS AND MATERIALS: Eligibility criteria included in-breast recurrence occurring >1 year after whole-breast irradiation, <3 cm, unifocal, and resected with negative margins. Partial-breast reirradiation was targeted to the surgical cavity plus 1.5 cm; a prescription dose of 45 Gy in 1.5 Gy twice daily for 30 treatments was used. The primary objective was to evaluate the rate of grade ≥3 treatment-related skin, fibrosis, and/or breast pain adverse events (AEs), occurring ≤1 year from re-treatment completion...
August 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28721511/molecular-and-phylogenetic-characterization-of-bovine-coronavirus-virus-isolated-from-dairy-cattle-in-central-region-thailand
#7
Kanokwan Singasa, Taweesak Songserm, Preeda Lertwatcharasarakul, Pipat Arunvipas
Bovine coronavirus (BCoV) is involved mainly in enteric infections in cattle. This study reports the first molecular detection of BCoV in a diarrhea outbreak in dairy cows in the Central Region, Thailand. BCoV was molecularly detected from bloody diarrheic cattle feces by using nested PCR. Agarose gel electrophoresis of three diarrheic fecal samples yielded from the 25 samples desired amplicons that were 488 base pairs and sequencing substantiated that have BCoV. The sequence alignment indicated that nucleotide and amino acid sequences, the three TWD isolated in Thailand, were more quite homologous to each other (amino acid at position 39 of TWD1, TWD3 was proline, but TWD2 was serine) and closely related to OK-0514-3strain (virulent respiratory strain; RBCoV)...
July 18, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28720961/valorizing-guava-psidium-guajava-l-seeds-through-germination-induced-carbohydrate-changes
#8
Cheng Xian Ling, Ying Ping Chang
Guava seeds are produced as a waste product by the guava processing industry. Their high carbohydrate contents may suit the carbohydrate needs of the feed sector but their high dietary fiber content limits their feed value. The feed values of fruit seeds can be improved through germination, which involves the mobilization of nutrients through seed enzymes and alters the seed carbohydrate composition. The changes of selected carbohydrates in guava (Psidium guajava L.) seeds brought by germination to those in red bean (Vigna angularis) and winter wheat (Triticum aestivum L...
June 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28720190/clinical-herpes-zoster-in-antarctica-as-a-model-for-spaceflight
#9
David P Reyes, Alaina A Brinley, Rebecca S Blue, Stephen K Gruschkus, Andrew T Allen, Scott E Parazynski
INTRODUCTION: Antarctica is a useful analog for spaceflight, as both environments are remote, isolated, and with limited resources. While previous studies have demonstrated increased asymptomatic viral shedding in both the Antarctic and spaceflight environments, clinical manifestations of reactivated viral disease have been less frequently identified. We sought to identify the incidence of clinical herpes zoster from viral reactivation in the Antarctic winter-over population. METHODS: Medical records from the 2014 winter season were reviewed for the incidence of zoster in U...
August 1, 2017: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/28720157/the-influence-of-azaperone-treatment-at-weaning-on-reproductive-performance-of-sows-altering-effects-of-season-and-parity
#10
T Schwarz, J Nowicki, R Tuz, P M Bartlewski
Azaperone treatment can control aggression and decrease stress due to weaning, re-grouping and hierarchical fighting of gilts and sows. However, the effects of this butyrophenone neuroleptic and sedative administered at weaning on pig reproductive function are poorly characterized. In this year-long study, a total of 619 cross-bred sows (Polish Large White×Polish Landrace) kept on a commercial farm received an i.m. injection of azaperone (Stresnil®; 2 mg/kg BW) just before weaning and were artificially inseminated during the ensuing estrus with 3×109 spermatozoa per dose of an inseminate; 1180 sows served as untreated controls...
July 19, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28719828/functional-analysis-of-pcsk2-coding-variants-a-founder-effect-in-the-old-order-amish-population
#11
Alexandra Winters, Bruno Ramos-Molina, Timothy S Jarvela, Laura Yerges-Armstrong, Toni I Pollin, Iris Lindberg
AIMS: In humans, noncoding variants of PCSK2, the gene encoding prohormone convertase 2 (PC2), have been previously associated with risk for and age of onset of type 2 diabetes (T2D). The aims of this study were to identify coding variants in PCSK2; to determine their possible association with glucose handling; and to determine functional outcomes for coding variants in biochemical studies. METHODS: Exome-wide genotyping was performed on 1725 Old Order Amish (OOA) subjects...
July 3, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28719693/effect-of-high-dose-vs-standard-dose-wintertime-vitamin-d-supplementation-on-viral-upper-respiratory-tract-infections-in-young-healthy-children
#12
Mary Aglipay, Catherine S Birken, Patricia C Parkin, Mark B Loeb, Kevin Thorpe, Yang Chen, Andreas Laupacis, Muhammad Mamdani, Colin Macarthur, Jeffrey S Hoch, Tony Mazzulli, Jonathon L Maguire
Importance: Epidemiological studies support a link between low 25-hydroxyvitamin D levels and a higher risk of viral upper respiratory tract infections. However, whether winter supplementation of vitamin D reduces the risk among children is unknown. Objective: To determine whether high-dose vs standard-dose vitamin D supplementation reduces the incidence of wintertime upper respiratory tract infections in young children. Design, Setting, and Participants: A randomized clinical trial was conducted during the winter months between September 13, 2011, and June 30, 2015, among children aged 1 through 5 years enrolled in TARGet Kids!, a multisite primary care practice-based research network in Toronto, Ontario, Canada...
July 18, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28719193/relationships-between-atmospheric-transport-regimes-and-pcb-concentrations-in-air-at-zeppelin-spitsbergen
#13
Sandy Ubl, Martin Scheringer, Konrad Hungerbühler
Polychlorinated biphenyls (PCBs) are persistent hazardous chemicals that are still detected in the atmosphere and other environmental media although their production has been banned for several decades. At the long-term monitoring site, Zeppelin at Spitsbergen, different PCB congeners have been continuously measured for more than a decade. However, it is not clear what factors determine the seasonal and inter-annual variability of different (lighter vs. heavier) PCB congeners. To investigate the influence of atmospheric transport patterns on PCB-28 and PCB-101 concentrations at Zeppelin, we applied the Lagrangian Particle Dispersion Model FLEXPART and calculated "footprints'' that indicate the potential source regions of air arriving at Zeppelin...
July 18, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28719047/effect-of-typha-capensis-rohrb-n-e-br-rhizome-extract-f1-fraction-on-cell-viability-apoptosis-induction-and-testosterone-production-in-tm3-leydig-cells
#14
A Ilfergane, R R Henkel
Typha capensis (Rohrb.)N.E.Br. (bulrush) is used by traditional healers in Southern Africa to treat male reproductive problems. This study aimed at investigating the effects of T. capensis on TM3-Leydig cells. T. capensis rhizome crude extract obtained from autumn, winter, spring and summer harvest was fractionated using HPLC into four fractions, and TM3-Leydig cells were incubated with different concentrations of the F1 fraction (0.01, 0.02, 0.1, 1, 10 and 100 μg/ml) for 24, 48 and 96 hr respectively...
July 18, 2017: Andrologia
https://www.readbyqxmd.com/read/28718987/the-impact-of-exercise-on-sleep-in-adults-with-type-1-diabetes
#15
Ravi Reddy, Joseph El Youssef, Kerri Winters-Stone, Deborah Branigan, Joseph Leitschuh, Jessica Castle, Peter G Jacobs
The aim of this pilot study was to investigate the impact of exercise on sleep and nocturnal hypoglycemia in adults with type 1 diabetes (T1D). In a 3-week crossover trial, 10 adults with T1D were randomized to perform aerobic, resistance or no exercise. During each exercise week, participants completed two separate 45-minute exercise sessions at an academic medical center. Participants returned home and wore a continuous glucose monitor and a wrist based activity monitor to estimate sleep duration. Participants on average lost 70 (±49) minutes of sleep (p = 0...
July 18, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28718709/bioaerosols-concentrations-in-working-areas-in-biomethanization-facilities
#16
Marie-Eve Dubuis, Hamza M'Bareche, Marc Veillette, Bouchra Bakhiyi, Joseph Zayed, Jacques Lavoie, Caroline Duchaine
This study sought to fill the gap in information about the type and the concentration of bioaerosols present in the air of biomethanization facilities (BF). Evaluation of bioaerosol composition and concentration was achieved in two biomethanization facilities located in Eastern Canada, during summer and winter. In order to have a thorough understanding of the studied environment, the methodology combined culture of bacteria and molds, qPCR for specific microorganisms, endotoxin quantification and NGS for bacterial diversity...
July 18, 2017: Journal of the Air & Waste Management Association
https://www.readbyqxmd.com/read/28718383/mortality-in-england-erroneous-attribution-of-excess-winter-deaths-to-underlying-trend
#17
Eugene Milne
No abstract text is available yet for this article.
July 2017: Journal of the Royal Society of Medicine
https://www.readbyqxmd.com/read/28718188/weaning-premature-infants-from-nasal-continuous-positive-airway-pressure-current-practice-and-scientific-evidence
#18
André Kidszun, Christine Arnold, Julia Winter, Catharina Whybra-Trümpler, Eva Mildenberger
Objective In the past decade, a number of trials have been conducted to determine the optimal strategy of weaning premature infants from nasal continuous airway pressure (nCPAP). However, a paucity of information exists on how weaning is actually performed in clinical routine. Aim of this study was to investigate the current practice of weaning premature infants from nCPAP in Germany. Methods An online survey was performed in German tertiary care neonatal units. Results All 160 German tertiary care units were contacted...
July 2017: Klinische Pädiatrie
https://www.readbyqxmd.com/read/28717999/macro-and-microclimate-conditions-may-alter-grapevine-deacclimation-variation-in-thermal-amplitude-in-two-contrasting-wine-regions-from-north-and-south-america
#19
Francisco Gonzalez Antivilo, Rosalía Cristina Paz, Markus Keller, Roberto Borgo, Jorge Tognetti, Fidel Roig Juñent
Low temperature is a limiting factor that affects vineyard distribution globally. The level of cold hardiness acquired during the dormant season by Vitis sp. is crucial for winter survival. Most research published on this topic has been generated beyond 40° N latitude, where daily mean temperatures may attain injurious levels during the dormant season resulting in significant damage to vines and buds. Symptoms of cold injury have been identified in Mendoza (32-35° S latitude), a Southern Hemisphere wine region characterized by a high thermal amplitude, and warm winds during the dormant season...
July 17, 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/28717774/role-of-oral-proficiency-on-reading-comprehension-within-language-and-cross-language-relationships
#20
Yuuko Uchikoshi, Lu Yang, Brandi Lohr, Genevieve Leung
This longitudinal study examined the role of oral proficiency, as measured with elicited narratives using a wordless picture book, Frog Where are You? (Meyer, 1969/1994), on English reading comprehension with a total of 102 English Language Learners (ELLs), including both Spanish and Cantonese speakers. Narrative samples were collected in the winter of first grade and reading skills were assessed on the same children one year later in second grade. Children were enrolled in either bilingual programs or mainstream programs...
November 2016: Lit Research
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