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https://www.readbyqxmd.com/read/28222236/differential-sharing-and-distinct-co-occurrence-networks-among-spatially-close-bacterial-microbiota-of-bark-mosses-and-lichens%C3%A2-%C3%A2
#1
Ines Aline Aschenbrenner, Tomislav Cernava, Armin Erlacher, Gabriele Berg, Martin Grube
Knowledge of bacterial community host-specificity has increased greatly in recent years. However, the inter-microbiome relationships of unrelated but spatially close organisms remain little understood. Trunks of trees covered by epiphytes represent complex habitats with a mosaic of ecological niches. In this context, we investigated the structure, diversity and interactions of microbiota associated with lichens, mosses and the bare tree bark. Comparative analysis revealed significant differences in the habitat-associated community structures...
February 21, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28220437/chitin-induced-responses-in-the-moss-physcomitrella-patens
#2
Simon Bressendorff, Magnus Wohlfahrt Rasmussen, Morten Petersen, John Mundy
A MAP kinase pathway below a chitin receptor in the moss Physcomitrella patens induces immune responses including rapid growth inhibition, a novel fluorescence burst, and cell wall depositions. The molecular mechanisms producing these three responses are currently unknown but warrant further investigation in this simple model system. Here we describe qualitative, time-lapse, and quantitative assays to monitor and measure these responses.
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28219629/contrasting-patterns-for-missing-third-molars-in-the-united-states-and-sweden
#3
Caitlin B L Magraw, Lars Pallesen, Kevin L Moss, Elda L Fisher, Steven Offenbacher, Raymond P White
PURPOSE: The purpose of this study was to compare the prevalence of third molars from the US National Health and Nutrition Examination Survey (NHANES) and the Swedish survey. MATERIALS AND METHODS: This cross-sectional study involved the comparison of the only published data on third molar prevalence. The number of visible third molars in the NHANES of 2011 through 2012 were assessed in nonclinical settings by trained, calibrated dental hygienists and reported by age decade (approximately 5,000 patients)...
January 30, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28214193/quantification-of-the-overall-measurement-uncertainty-associated-with-the-passive-moss-biomonitoring-technique-sample-collection-and-processing
#4
J R Aboal, M T Boquete, A Carballeira, A Casanova, S Debén, J A Fernández
In this study we examined 6080 data gathered by our research group during more than 20 years of research on the moss biomonitoring technique, in order to quantify the variability generated by different aspects of the protocol and to calculate the overall measurement uncertainty associated with the technique. The median variance of the concentrations of different pollutants measured in moss tissues attributed to the different methodological aspects was high, reaching values of 2851 (ng·g(-1))(2) for Cd (sample treatment), 35...
February 14, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28213518/deficits-in-the-activity-of-presynaptic-%C3%AE-aminobutyric-acid-type-b-receptors-contribute-to-altered-neuronal-excitability-in-fragile-x-syndrome
#5
Ji-Yong Kang, Jayashree Chadchankar, Thuy N Vien, Michelle I Mighdoll, Thomas M Hyde, Robert J Mather, Tarek Z Deeb, Menelas N Pangalos, Nicholas J Brandon, John Dunlop, Stephen J Moss
The behavioral and anatomical deficits seen in Fragile X syndrome (FXS) are widely believed to result from imbalances in the relative strengths of excitatory and inhibitory neurotransmission. While modified neuronal excitability is thought to be of significance, the contribution that alterations in GABAergic inhibition play in the pathophysiology of FXS are ill-defined. Slow sustained neuronal inhibition is mediated by γ-aminobutyric acid type B (GABAB) receptors, which are heterodimeric G-protein coupled receptors constructed from R1a and R2 or R1b and R2 subunits...
February 17, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28213459/acting-on-an-impulse-or-two-advantages-of-high-frequency-tetanic-onset-in-skeletal-muscle
#6
Richard L Moss, Thomas L Lynch, Daniel P Fitzsimons
No abstract text is available yet for this article.
February 17, 2017: Journal of General Physiology
https://www.readbyqxmd.com/read/28212588/colorectal-polypectomy-and-endoscopic-mucosal-resection-emr-european-society-of-gastrointestinal-endoscopy-esge-clinical-guideline
#7
Monika Ferlitsch, Alan Moss, Cesare Hassan, Pradeep Bhandari, Jean-Marc Dumonceau, Gregorios Paspatis, Rodrigo Jover, Cord Langner, Maxime Bronzwaer, Kumanan Nalankilli, Paul Fockens, Rawi Hazzan, Ian M Gralnek, Michael Gschwantler, Elisabeth Waldmann, Philip Jeschek, Daniela Penz, Denis Heresbach, Leon Moons, Arnaud Lemmers, Konstantina Paraskeva, Juergen Pohl, Thierry Ponchon, Jaroslaw Regula, Alessandro Repici, Matthew D Rutter, Nicholas G Burgess, Michael J Bourke
1 ESGE recommends cold snare polypectomy (CSP) as the preferred technique for removal of diminutive polyps (size ≤ 5 mm). This technique has high rates of complete resection, adequate tissue sampling for histology, and low complication rates. (High quality evidence, strong recommendation.) 2 ESGE suggests CSP for sessile polyps 6 - 9 mm in size because of its superior safety profile, although evidence comparing efficacy with hot snare polypectomy (HSP) is lacking. (Moderate quality evidence, weak recommendation...
February 17, 2017: Endoscopy
https://www.readbyqxmd.com/read/28212255/biomarker-guidelines-for-high-dimensional-genomic-studies-in-transplantation-adding-method-to-the-madness
#8
Sunil M Kurian, Thomas Whisenant, Valeria Mas, Raymond Heilman, Michael Abecassis, Daniel R Salomon, Adyr Moss, Bruce Kaplan
No abstract text is available yet for this article.
March 2017: Transplantation
https://www.readbyqxmd.com/read/28209972/frustration-of-crystallisation-by-a-liquid-crystal-phase
#9
Christopher D Syme, Joanna Mosses, Mario González-Jiménez, Olga Shebanova, Finlay Walton, Klaas Wynne
Frustration of crystallisation by locally favoured structures is critically important in linking the phenomena of supercooling, glass formation, and liquid-liquid transitions. Here we show that the putative liquid-liquid transition in n-butanol is in fact caused by geometric frustration associated with an isotropic to rippled lamellar liquid-crystal transition. Liquid-crystal phases are generally regarded as being "in between" the liquid and the crystalline state. In contrast, the liquid-crystal phase in supercooled n-butanol is found to inhibit transformation to the crystal...
February 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28209137/transcriptional-analysis-of-defense-mechanisms-in-upland-tetraploid-switchgrass-to-greenbugs
#10
Teresa Donze-Reiner, Nathan A Palmer, Erin D Scully, Travis J Prochaska, Kyle G Koch, Tiffany Heng-Moss, Jeffrey D Bradshaw, Paul Twigg, Keenan Amundsen, Scott E Sattler, Gautam Sarath
BACKGROUND: Aphid infestation of switchgrass (Panicum virgatum) has the potential to reduce yields and biomass quality. Although switchgrass-greenbug (Schizaphis graminum; GB) interactions have been studied at the whole plant level, little information is available on plant defense responses at the molecular level. RESULTS: The global transcriptomic response of switchgrass cv Summer to GB was monitored by RNA-Seq in infested and control (uninfested) plants harvested at 5, 10, and 15 days after infestation (DAI)...
February 16, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28207941/mfg-e8-inhibits-periodontitis-in-non-human-primates-and-its-gingival-crevicular-fluid-levels-can-differentiate-periodontal-health-from-disease-in-humans
#11
Tetsuhiro Kajikawa, Fatimah Meshikhes, Tomoki Maekawa, Evlambia Hajishengallis, Kavita B Hosur, Toshiharu Abe, Kevin Moss, Triantafyllos Chavakis, George Hajishengallis
AIM: We have previously shown that the secreted glycoprotein MFG-E8 has anti-inflammatory and anti-osteoclastogenic properties. Our objective was to investigate the potential of MFG-E8 as a diagnostic or therapeutic agent in periodontitis. MATERIALS AND METHODS: Periodontitis was induced in non-human primates (NHPs) by placing ligatures around posterior teeth on both halves of the mandible for a split-mouth design: one side was treated with MFG-E8-Fc and the other with Fc control...
February 16, 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28207900/classification-and-identification-of-rhodobryum-roseum-limpr-and-its-adulterants-based-on-fourier-transform-infrared-spectroscopy-ftir-and-chemometrics
#12
Zhen Cao, Zhenjie Wang, Zhonglin Shang, Jiancheng Zhao
Fourier-transform infrared spectroscopy (FTIR) with the attenuated total reflectance technique was used to identify Rhodobryum roseum from its four adulterants. The FTIR spectra of six samples in the range from 4000 cm-1 to 600 cm-1 were obtained. The second-derivative transformation test was used to identify the small and nearby absorption peaks. A cluster analysis was performed to classify the spectra in a dendrogram based on the spectral similarity. Principal component analysis (PCA) was used to classify the species of six moss samples...
2017: PloS One
https://www.readbyqxmd.com/read/28203539/cost-effectiveness-of-robotic-mitral-valve-surgery
#13
Emmanuel Moss, Michael E Halkos
Significant technological advances have led to an impressive evolution in mitral valve surgery over the last two decades, allowing surgeons to safely perform less invasive operations through the right chest. Most new technology comes with an increased upfront cost that must be measured against postoperative savings and other advantages such as decreased perioperative complications, faster recovery, and earlier return to preoperative level of functioning. The Da Vinci robot is an example of such a technology, combining the significant benefits of minimally invasive surgery with a "gold standard" valve repair...
January 2017: Annals of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28202529/aberrant-syk-kinase-signaling-is-essential-for-tumorigenesis-induced-by-tsc2-inactivation
#14
Ye Cui, Wendy K Steagall, Anthony Lamattina, Gustavo Pacheco-Rodriguez, Mario Stylianou, Pranav Kidambi, Benjamin Stump, Fernanda Golzarri, Ivan O Rosas, Carmen Priolo, Elizabeth P Henske, Joel Moss, Souheil El-Chemaly
Somatic or germline mutations in the tuberous sclerosis complex (TSC) tumor suppressor genes are associated closely with the pathogenesis of lymphangioleiomyomatosis (LAM), a rare and progressive neoplastic disease that predominantly affects women in their childbearing years. Serum levels of the lymphangiogeneic growth factor VEGF-D are elevated significantly in LAM. However, there are gaps in knowledge regarding VEGF-D dysregulation and its cellular origin in LAM. Here we show that increased expression and activation of the tyrosine kinase Syk in TSC2-deficient cells and pulmonary nodules from LAM patients contributes to tumor growth...
February 15, 2017: Cancer Research
https://www.readbyqxmd.com/read/28198897/metal-oxide-semiconductor-based-gas-sensors-screening-preparation-and-integration
#15
Jian Zhang, Ziyu Qin, Dawen Zeng, Changsheng Xie
Metal-oxide-semiconductor (MOS) based gas sensors have been considered a promising candidate for gas detection over the past few years. However, the sensing properties of MOS-based gas sensors also need to be further enhanced to satisfy the higher requirements for specific applications, such as medical diagnosis based on human breath, gas detection in harsh environments, etc. In these fields, excellent selectivity, low power consumption, a fast response/recovery rate, low humidity dependence and a low limit of detection concentration should be fulfilled simultaneously, which pose great challenges to the MOS-based gas sensors...
February 15, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28198128/the-relationship-between-an-orientation-to-the-future-and-an-orientation-to-the-past-the-role-of-future-clarity
#16
Simon A Moss, Samuel G Wilson, Melanie Irons, Carmen Naivalu
Some research shows that people who often contemplate their future tend to be healthier. Yet the burgeoning literature on mindfulness demonstrates that people who are more attuned to their immediate experiences also enjoy many benefits. To reconcile these principles, many scholars recommend that people should distribute their attention, somewhat evenly, across the past, present, and future-but have not clarified how people should achieve this goal. We test the possibility that people who perceive their future as vivid and certain, called future clarity, might be able to both orient their attention to the future as well as experience mindfulness...
February 15, 2017: Stress and Health: Journal of the International Society for the Investigation of Stress
https://www.readbyqxmd.com/read/28197341/a-mixed-methods-small-pilot-study-to-describe-the-effects-of-upper-limb-training-using-a-virtual-reality-gaming-system-in-people-with-chronic-stroke
#17
Rachel C Stockley, Deborah A O'Connor, Phil Smith, Sylvia Moss, Lizzie Allsop, Wendy Edge
Introduction. This small pilot study aimed to examine the feasibility of an upper limb rehabilitation system (the YouGrabber) in a community rehabilitation centre, qualitatively explore participant experiences, and describe changes after using it. Methods and Material. Chronic stroke participants attending a community rehabilitation centre in the UK were randomised to either a YouGrabber or a gym group and completed 18 training sessions over 12 weeks. The motor activity log, box and block, and fatigue severity score were administered by a blinded assessor before and after the intervention...
2017: Rehabilitation Research and Practice
https://www.readbyqxmd.com/read/28195559/selection-of-multi-drug-resistant-influenza-a-and-b-viruses-under-zanamivir-pressure-and-their-replication-fitness-in-ferrets
#18
Ding Yuan Oh, Jacqueline Panozzo, Sophie Vitesnik, Rubaiyea Farrukee, David Piedrafita, Jennifer Mosse, Aeron C Hurt
BACKGROUND: Intravenous zanamivir has been used to treat patients with severe influenza. Because the majority of cases (including immunocompromised patients) require the drug for an extended period of treatment, there is a higher risk that the virus will develop resistance. Therefore, knowing the possible amino acid substitutions that may arise in recently circulating influenza strains under prolonged zanamivir exposure and their impact on antiviral susceptibility is important. METHODS: Influenza A(H1N1)pdm09, A(H3N2) and B virus were serially passaged under increasing zanamivir pressure in vitro...
February 14, 2017: Antiviral Therapy
https://www.readbyqxmd.com/read/28194795/diversity-of-winter-photoinhibitory-responses-a-case-study-in-co-occurring-lichens-mosses-herbs-and-woody-plants-from-subalpine-environments
#19
Fátima Míguez, Beatriz Fernández-Marín, José-María Becerril, José-Ignacio García-Plazaola
Winter evergreens living in mountainous areas have to withstand a harsh combination of high light levels and low temperatures in wintertime. In response, evergreens can activate a photoprotective process that consists of the down-regulation of photosynthetic efficiency, referred to as winter photoinhibition (WPI). WPI has been studied mainly in woody evergreens and crops even when, in many instances, other functional groups such as lichens or bryophytes dominate in alpine and boreal habitats. Thus, we aimed to (1) assess the occurrence of WPI within overwintering evergreens comprising woody species, herbs, mosses and lichens; (2) compare the recovery kinetics among those groups; and (3) clarify the role of thylakoid proteins and pigments in both processes: WPI and recovery...
February 14, 2017: Physiologia Plantarum
https://www.readbyqxmd.com/read/28193856/contribution-of-epigenetic-mechanisms-to-variation-in-cancer-risk-among-tissues
#20
Michael Klutstein, Joshua Moss, Tommy Kaplan, Howard Cedar
Recently, it was suggested that tissue variation in cancer risk originates from differences in the number of stem-cell divisions underlying each tissue, leading to different mutation loads. We show that this variation is also correlated with the degree of aberrant CpG island DNA methylation in normal cells. Methylation accumulates during aging in a subset of molecules, suggesting that the epigenetic landscape within a founder-cell population may contribute to tumor formation.
February 13, 2017: Proceedings of the National Academy of Sciences of the United States of America
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