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https://www.readbyqxmd.com/read/28821232/genomic-transcriptomic-and-proteomic-approaches-towards-understanding-the-molecular-mechanisms-of-salt-tolerance-in-frankia-strains-isolated-from-casuarina-trees
#1
Rediet Oshone, Mariama Ngom, Feixia Chu, Samira Mansour, Mame Ourèye Sy, Antony Champion, Louis S Tisa
BACKGROUND: Soil salinization is a worldwide problem that is intensifying because of the effects of climate change. An effective method for the reclamation of salt-affected soils involves initiating plant succession using fast growing, nitrogen fixing actinorhizal trees such as the Casuarina. The salt tolerance of Casuarina is enhanced by the nitrogen-fixing symbiosis that they form with the actinobacterium Frankia. Identification and molecular characterization of salt-tolerant Casuarina species and associated Frankia is imperative for the successful utilization of Casuarina trees in saline soil reclamation efforts...
August 18, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28820946/proteogenomic-investigation-of-strain-variation-in-clinical-mycobacterium-tuberculosis-isolates
#2
Tiaan Heunis, Anzaan Dippenaar, Robin M Warren, Paul D van Helden, Ruben G van der Merwe, Nicolaas C Gey van Pittius, Arnab Pain, Samantha L Sampson, David L Tabb
Mycobacterium tuberculosis consists of a large number of different strains that display unique virulence characteristics. Whole-genome sequencing has revealed substantial genetic diversity among clinical M. tuberculosis isolates, and elucidating the phenotypic variation encoded by this genetic diversity will be of utmost importance to fully understand M. tuberculosis biology and pathogenicity. In this study we integrated whole-genome sequencing and mass spectrometry (GeLC-MS/MS) to reveal strain-specific characteristics in the proteomes of two clinical M...
August 18, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28820895/identification-of-leishmania-donovani-antigen-in-circulating-immune-complexes-of-visceral-leishmaniasis-subjects-for-diagnosis
#3
Fauzia Jamal, Pushkar Shivam, Sarita Kumari, Manish Kumar Singh, Abul Hasan Sardar, Pushpanjali, Selvasankar Murugesan, Shyam Narayan, Anil Kumar Gupta, Krishna Pandey, V N R Das, Vahab Ali, Sanjiva Bimal, Pradeep Das, Shubhankar K Singh
The unreliability of most of the existing antibody-based diagnostic kits to discriminate between active and treated VL cases, relapse situation and reinfection are a major hurdle in controlling the cases of Kala-azar in an endemic area. An antigen targeted diagnostic approaches can be an attractive strategy to overcome these problems. Hence, this study was focused on identifying the Leishmania antigens, lies in circulating immune complex (CICs), can be used for diagnostic as well as prognostic purposes. The present study was conducted on peripheral blood samples of 115 human subjects, based on isolation of CICs...
2017: PloS One
https://www.readbyqxmd.com/read/28820894/short-term-apparent-brain-tissue-changes-are-contributed-by-cerebral-blood-flow-alterations
#4
Qiu Ge, Wei Peng, Jian Zhang, Xuchu Weng, Yong Zhang, Thomas Liu, Yu-Feng Zang, Ze Wang
Structural MRI (sMRI)-identified tissue "growth" after neuropsychological training has been reported in many studies but the origins of those apparent tissue changes (ATC) still remain elusive. One possible contributor to ATC is brain perfusion since T1-weighted MRI, the tool used to identify ATC, is sensitive to perfusion-change induced tissue T1 alterations. To test the hypothetical perfusion contribution to ATC, sMRI data were acquired before and after short-term global and regional perfusion manipulations via intaking a 200 mg caffeine pill and performing a sensorimotor task...
2017: PloS One
https://www.readbyqxmd.com/read/28820004/drug-induced-liver-injury-in-children-clinical-observations-animal-models-and-regulatory-status
#5
Qiang Shi, Xi Yang, James J Greenhaw, Alec Thomas Salminen, Gary M Russotti, William F Salminen
Drug-induced liver injury in children (cDILI) accounts for about 1% of all reported adverse drug reactions throughout all age groups, less than 10% of all clinical DILI cases, and around 20% of all acute liver failure cases in children. The overall DILI susceptibility in children has been assumed to be lower than in adults. Nevertheless, controversial evidence is emerging about children's sensitivity to DILI, with children's relative susceptibility to DILI appearing to be highly drug-specific. The culprit drugs in cDILI are similar but not identical to DILI in adults (aDILI)...
January 1, 2017: International Journal of Toxicology
https://www.readbyqxmd.com/read/28819067/health-economics-of-targeted-intraoperative-radiotherapy-targit-iort-for-early-breast-cancer-a-cost-effectiveness-analysis-in-the-united-kingdom
#6
Anil Vaidya, Param Vaidya, Brigitte Both, Chris Brew-Graves, Max Bulsara, Jayant S Vaidya
OBJECTIVE: The clinical effectiveness of targeted intraoperative radiotherapy (TARGIT-IORT) has been confirmed in the randomised TARGIT-A (targeted intraoperative radiotherapy-alone) trial to be similar to a several weeks' course of whole-breast external-beam radiation therapy (EBRT) in patients with early breast cancer. This study aims to determine the cost-effectiveness of TARGIT-IORT to inform policy decisions about its wider implementation. SETTING: TARGIT-A randomised clinical trial (ISRCTN34086741) which compared TARGIT with traditional EBRT and found similar breast cancer control, particularly when TARGIT was given simultaneously with lumpectomy...
August 17, 2017: BMJ Open
https://www.readbyqxmd.com/read/28818645/improved-performance-comparisons-of-radioxenon-systems-for-low-level-releases-in-nuclear-explosion-monitoring
#7
Derek A Haas, Paul W Eslinger, Theodore W Bowyer, Ian M Cameron, James C Hayes, Justin D Lowrey, Harry S Miley
The Comprehensive Nuclear-Test-Ban Treaty bans all nuclear tests and mandates development of verification measures to detect treaty violations. One verification measure is detection of radioactive xenon isotopes produced in the fission of actinides. The International Monitoring System (IMS) currently deploys automated radioxenon systems that can detect four radioxenon isotopes. Radioxenon systems with lower detection limits are currently in development. Historically, the sensitivity of radioxenon systems was measured by the minimum detectable concentration for each isotope...
August 14, 2017: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/28818613/network-analysis-a-new-way-of-understanding-psychopathology
#8
Eduardo Fonseca-Pedrero
Current taxonomic systems are based on a descriptive and categorical approach where psychopathological symptoms and signs are caused by a hypothetical underlying mental disorder. In order to circumvent the limitations of classification systems, it is necessary to incorporate new conceptual and psychometric models that allow to understand, analyze and intervene in psychopathological phenomena from another perspective. The main goal was to present a new approach called network analysis for its application in the field of psychopathology...
August 14, 2017: Revista de Psiquiatrí́a y Salud Mental
https://www.readbyqxmd.com/read/28818119/characterization-of-the-interaction-between-the-small-rna-encoded-peptide-sr1p-and-gapa-from-bacillus-subtilis
#9
Matthias Gimpel, Caroline Maiwald, Christoph Wiedemann, Matthias Görlach, Sabine Brantl
Small regulatory RNAs (sRNAs) are the most prominent post-transcriptional regulators in all kingdoms of life. A few of them, e.g. SR1 from Bacillus subtilis, are dual-function sRNAs. SR1 acts as a base-pairing sRNA in arginine catabolism and as an mRNA encoding the small peptide SR1P in RNA degradation. Both functions of SR1 are highly conserved among 23 species of Bacillales. Here, we investigate the interaction between SR1P and GapA by a combination of in vivo and in vitro methods. De novo prediction of the structure of SR1P yielded five models, one of which was consistent with experimental circular dichroism spectroscopy data of a purified, synthetic peptide...
August 2017: Microbiology
https://www.readbyqxmd.com/read/28817621/re-evaluation-of-the-cost-effectiveness-and-effects-of-childhood-rotavirus-vaccination-in-norway
#10
Christina Hansen Edwards, Birgitte Freiesleben de Blasio, Beatriz Valcárcel Salamanca, Elmira Flem
BACKGROUND: Rotavirus vaccination was included into the Norwegian childhood immunisation programme in 2014. Before implementation, rotavirus vaccination was found to be cost-effective from a societal perspective, but not from a healthcare perspective. Since introduction, new data on the incidence and economic effects of rotavirus disease have become available. We assessed early epidemiological effects of the rotavirus vaccination programme and re-evaluated its cost-effectiveness in Norway for the years 2015-2019...
2017: PloS One
https://www.readbyqxmd.com/read/28817326/standard-period-life-table-used-to-compute-the-life-expectancy-of-diseased-subpopulations-more-confusing-than-helpful
#11
Linda Perron, Marc Simard, Jacques Brisson, Denis Hamel, Ernest Lo
Life expectancy (LE) based on a period life table (PLT) traditionally serves as a general population summary metric. It is, however, becoming more frequently reported for chronically afflicted subpopulations. In general populations, there is always an obvious real cohort sharing the hypothetical PLT cohort characteristics, and the LE estimate is intuitively understood as that real cohort mean survival time, assuming constancy of death risks. In diseased subpopulations, the correspondence between the hypothetical cohort and a real cohort is not straightforward...
August 17, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28816472/how-should-exemplars-be-sequenced-in-inductive-learning-empirical-evidence-versus-learners-opinions
#12
Veronica X Yan, Nicholas C Soderstrom, Gayan S Seneviratna, Elizabeth Ligon Bjork, Robert A Bjork
The sequencing of exemplars during study can have a large effect on category or concept induction. Counter to learners' intuitions, interleaving exemplars from different categories is often more effective for learning the different underlying categories than is blocking all the exemplars by category (e.g., Kornell & Bjork, 2008). Prior research suggests that blocking and interleaving each support different aspects of induction: Interleaving appears to enhance between-category discrimination, whereas blocking appears to promote the learning of within-category commonalities...
August 17, 2017: Journal of Experimental Psychology. Applied
https://www.readbyqxmd.com/read/28815214/chlamydomonas-reinhardtii-lfo1-is-an-isdg-family-heme-oxygenase
#13
Lisa J Lojek, Allison J Farrand, Jennifer H Wisecaver, Crysten E Blaby-Haas, Brian W Michel, Sabeeha S Merchant, Antonis Rokas, Eric P Skaar
Heme is essential for respiration across all domains of life. However, heme accumulation can lead to toxicity if cells are unable to either degrade or export heme or its toxic by-products. Under aerobic conditions, heme degradation is performed by heme oxygenases, enzymes which utilize oxygen to cleave the tetrapyrrole ring of heme. The HO-1 family of heme oxygenases has been identified in both bacterial and eukaryotic cells, whereas the IsdG family has thus far been described only in bacteria. We identified a hypothetical protein in the eukaryotic green alga Chlamydomonas reinhardtii, which encodes a protein containing an antibiotic biosynthesis monooxygenase (ABM) domain consistent with those associated with IsdG family members...
July 2017: MSphere
https://www.readbyqxmd.com/read/28814988/the-draft-genome-of-the-hyperthermophilic-archaeon-pyrodictium-delaneyi-strain-hulk-an-iron-and-nitrate-reducer-reveals-the-capacity-for-sulfate-reduction
#14
Lucas M Demey, Caitlin R Miller, Michael P Manzella, Rachel R Spurbeck, Sukhinder K Sandhu, Gemma Reguera, Kazem Kashefi
Pyrodictium delaneyi strain Hulk is a newly sequenced strain isolated from chimney samples collected from the Hulk sulfide mound on the main Endeavour Segment of the Juan de Fuca Ridge (47.9501 latitude, -129.0970 longitude, depth 2200 m) in the Northeast Pacific Ocean. The draft genome of strain Hulk shared 99.77% similarity with the complete genome of the type strain Su06(T), which shares with strain Hulk the ability to reduce iron and nitrate for respiration. The annotation of the genome of strain Hulk identified genes for the reduction of several sulfur-containing electron acceptors, an unsuspected respiratory capability in this species that was experimentally confirmed for strain Hulk...
2017: Standards in Genomic Sciences
https://www.readbyqxmd.com/read/28814733/enhancing-immune-responses-to-cancer-vaccines-using-multi-site-injections
#15
Robert C Mould, Amanda W K AuYeung, Jacob P van Vloten, Leonardo Susta, Anthony J Mutsaers, James J Petrik, Geoffrey A Wood, Sarah K Wootton, Khalil Karimi, Byram W Bridle
For a vaccine to be effective it must induce a sufficiently robust and specific immune response. Multi-site injection protocols can increase the titers of rabies virus-neutralizing antibodies. Hypothetically, spreading a vaccine dose across multiple lymphatic drainage regions could also potentiate T cell responses. We used a replication-deficient adenovirus serotype 5-vectored cancer vaccine targeting the melanoma-associated antigen dopachrome tautomerase. Clinically, high numbers of tumor-infiltrating CD8(+) T cells are a positive prognostic indicator...
August 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28814625/variations-in-cause-of-death-determination-for-sudden-unexpected-infant-deaths
#16
Carrie K Shapiro-Mendoza, Sharyn E Parks, Jennifer Brustrom, Tom Andrew, Lena Camperlengo, John Fudenberg, Betsy Payn, Dale Rhoda
OBJECTIVES: To quantify and describe variation in cause-of-death certification of sudden unexpected infant deaths (SUIDs) among US medical examiners and coroners. METHODS: From January to November 2014, we conducted a nationally representative survey of US medical examiners and coroners who certify infant deaths. Two-stage unequal probability sampling with replacement was used. Medical examiners and coroners were asked to classify SUIDs based on hypothetical scenarios and to describe the evidence considered and investigative procedures used for cause-of-death determination...
June 5, 2017: Pediatrics
https://www.readbyqxmd.com/read/28814272/identification-of-new-protein-coding-genes-with-a-potential-role-in-the-virulence-of-the-plant-pathogen-xanthomonas-euvesicatoria
#17
Ulrike Abendroth, Norman Adlung, Andreas Otto, Benjamin Grüneisen, Dörte Becher, Ulla Bonas
BACKGROUND: Bacteria of the genus Xanthomonas are economically important plant pathogens. Pathogenicity of Xanthomonas spp. depends on the type III-secretion system and additional virulence determinants. The number of sequenced Xanthomonas genomes increases rapidly, however, accurate annotation of these genomes is difficult, because it relies on gene prediction programs. In this study, we used a mass-spectrometry (MS)-based approach to identify the proteome of Xanthomonas euvesicatoria (Xe) strain 85-10 also known as X...
August 16, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28813838/developing-safe-fall-strategies-for-lower-limb-exoskeletons
#18
Mahsa Khalili, Jaimie F Borisoff, H F Machiel Van der Loos
One of the main challenges in the use of a powered lower limb exoskeleton (LLE) is to ensure that balance is maintained throughout the operation of the device. Since no control strategy has yet been implemented that prevents falls in the case of a loss of balance, head or other serious injuries may occur during independent use of LLEs in the event of a fall. These safety concerns limit LLEs in the community to supervised use only. Using the backward fall as a model, we used optimization techniques to develop safe fall control strategies in order to avoid head impact and mitigate the impact velocity of the hips...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813686/genetic-and-functional-characterization-of-a-novel-gh10-endo-%C3%AE-1-4-xylanase-with-a-ricin-type-%C3%AE-trefoil-domain-like-domain-from-luteimicrobium-xylanilyticum-hy-24
#19
Do Young Kim, Sun Hwa Lee, Min Ji Lee, Han-Young Cho, Jong Suk Lee, Young Ha Rhee, Dong-Ha Shin, Kwang-Hee Son, Ho-Yong Park
The gene (1488-bp) encoding a novel GH10 endo-β-1,4-xylanase (XylM) consisting of an N-terminal catalytic GH10 domain and a C-terminal ricin-type β-trefoil lectin domain-like (RICIN) domain was identified from Luteimicrobium xylanilyticum HY-24. The GH10 domain of XylM was 72% identical to that of Micromonospora lupini endo-β-1,4-xylanase and the RICIN domain was 67% identical to that of Actinospica robiniae hypothetical protein. The recombinant enzyme (rXylM: 49kDa) exhibited maximum activity toward beechwood xylan at 65°C and pH 6...
August 13, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28813636/using-systems-science-to-inform-population-health-strategies-in-local-health-departments-a-case-study-in-san-antonio-texas
#20
Yan Li, Norma A Padrón, Anil T Mangla, Pamela G Russo, Thomas Schlenker, José A Pagán
OBJECTIVES: Because of state and federal health care reform, local health departments play an increasingly prominent role leading and coordinating disease prevention programs in the United States. This case study shows how a local health department working in chronic disease prevention and management can use systems science and evidence-based decision making to inform program selection, implementation, and assessment; enhance engagement with local health systems and organizations; and possibly optimize health care delivery and population health...
January 1, 2017: Public Health Reports
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