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https://www.readbyqxmd.com/read/27933726/inheritance-of-evolved-clethodim-resistance-in-lolium-rigidum-populations-from-australia
#1
Rupinder Kaur Saini, Jenna Malone, Gurjeet Gill, Christopher Preston
BACKGROUND: In Australia, the extensive use of clethodim for the control of Lolium rigidum has resulted in the evolution of many clethodim-resistant L.rigidum populations. Five clethodim-resistant populations of L. rigidum were analysed for the inheritance of clethodim resistance. RESULTS: Reciprocal crosses were made between resistant (R) and susceptible (S) populations. Within crosses, dose responses of reciprocal F1 families of all populations, except A61 were similar each other, indicating clethodim resistance in these populations is encoded on the nuclear genome...
December 8, 2016: Pest Management Science
https://www.readbyqxmd.com/read/27933028/autism-in-action-reduced-bodily-connectedness-during-social-interactions
#2
C Lieke E Peper, Sija J van der Wal, Sander Begeer
Autism is a lifelong disorder, defined by deficits in social interactions and flexibility. To date, diagnostic markers for autism primarily include limitations in social behavior and cognition. However, such tests have often shown to be inadequate for individuals with autism who are either more cognitively able or intellectually disabled. The assessment of the social limitations of autism would benefit from new tests that capture the dynamics of social initiative and reciprocity in interaction processes, and that are not dependent on intellectual or verbal skills...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27928862/first-trimester-pregnancy-loss-clinical-implications-of-genetic-testing
#3
REVIEW
Diana Massalska, Janusz Grzegorz Zimowski, Julia Bijok, Magdalena Pawelec, Małgorzata Czubak-Barlik, Grzegorz Jakiel, Tomasz Roszkowski
Around 10-15% of pregnancies result in a spontaneous first trimester miscarriage, which is most frequently caused by chromosomal abnormalities, mainly aneuploidies. Genetic analysis of pregnancy loss includes conventional G-banding karyotyping and various molecular methods. Apart from variable methodological limitations, the effectiveness of genetic analysis depends on the type and quality of the tested sample. To improve the reliability of genetic testing, we present methods of appropriate collection and pre-laboratory preparation of chorionic villi from first trimester miscarriage...
December 8, 2016: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/27928009/influence-of-plasma-cell-niche-factors-on-the-recruitment-and-maintenance-of-irf4hi-plasma-cells-and-plasmablasts-in-vaccinated-siv-infected-rhesus-macaques-with-low-and-high-viremia
#4
Julia M Shaw, Leia K Miller-Novak, Venkatramanan Mohanram, Katherine McKinnon, Thorsten Demberg, Diego A Vargas-Inchaustegui, David Venzon, Marjorie Robert-Guroff
: In a recent study, we found protection following SIV exposure correlated with rectal plasma cell frequency in vaccinated female rhesus macaques. We sought to determine if these same macaques maintained high mucosal plasma cell frequencies post-infection and if this translated to reduced viremia. Although delayed SIV acquisition did not predict subsequent viral control, alterations existed in the distribution of plasma cells and plasmablasts between macaques that exhibited high or low viremia...
December 7, 2016: Journal of Virology
https://www.readbyqxmd.com/read/27927944/self-efficacy-in-dementia-care-staff-experiences-from-the-care-home-context
#5
Alice Coates, Jane Fossey
Perceived self-efficacy is proposed to impact on the psychological health of dementia care staff. The current study adopted a qualitative methodology to increase understanding of the experiences of self-efficacious care assistants. Purposive sampling identified eight care assistants with high levels of self-efficacy. Data from semi-structured interviews were analysed using interpretative phenomenological analysis. Four themes captured experiences of 'feeling torn' between competing demands when providing care; a sense of 'togetherness and connection', included sub-themes of support, closeness and the value of engaging; 'emotional attunement' to resident's needs, including reciprocity of emotion, personal perspective-taking and empathy as guides to care...
December 7, 2016: Dementia
https://www.readbyqxmd.com/read/27925123/-conflict-of-interest-in-the-training-and-practices-of-nutritionists-regulation-is-necessary
#6
Tatiane Nunes Pereira, Fabiana Alves do Nascimento, Daniel Henrique Bandoni
Transnational "Big Food" companies use advertising strategies to influence nutritionists, professors and students of nutrition. There are, however, conflicts of interest in this relationship. The scope of this study is to conduct a narrative review on the influence of the food industry in training in nutrition. It was revealed that industries seek to induce the recommendation, the prescription and the consumption of products by students and nutritionists through strategies such as sponsorship of scientific meetings, travel funding and the distribution of promotional gifts...
December 2016: Ciência & Saúde Coletiva
https://www.readbyqxmd.com/read/27923735/a-shadow-detector-for-photosynthesis-efficiency
#7
Kang-Ling Liao, Roger D Jones, Patrick McCarter, Meral Tunc-Ozdemir, James A Draper, Timothy C Elston, David Kramer, Alan M Jones
Plants tolerate large variations in the intensity of the light environment by controlling the efficiency of solar to chemical energy conversion. To do this, plants have a mechanism to detect the intensity, duration, and change in light as they experience moving shadows, flickering light, and cloud cover. Sugars are the primary products of CO2 fixation, a metabolic pathway that is rate limited by this solar energy conversion. We propose that sugar is a signal encoding information about the intensity, duration and change in the light environment...
December 3, 2016: Journal of Theoretical Biology
https://www.readbyqxmd.com/read/27923168/improved-exponential-convergence-result-for-generalized-neural-networks-including-interval-time-varying-delayed-signals
#8
G Rajchakit, R Saravanakumar, Choon Ki Ahn, Hamid Reza Karimi
This article examines the exponential stability analysis problem of generalized neural networks (GNNs) including interval time-varying delayed states. A new improved exponential stability criterion is presented by establishing a proper Lyapunov-Krasovskii functional (LKF) and employing new analysis theory. The improved reciprocally convex combination (RCC) and weighted integral inequality (WII) techniques are utilized to obtain new sufficient conditions to ascertain the exponential stability result of such delayed GNNs...
November 9, 2016: Neural Networks: the Official Journal of the International Neural Network Society
https://www.readbyqxmd.com/read/27923052/filariae-retrovirus-co-infection-in-mice-is-associated-with-suppressed-virus-specific-igg-immune-response-and-higher-viral-loads
#9
Kirsten Katrin Dietze, Ulf Dittmer, Daniel Karim Koudaimi, Simone Schimmer, Martina Reitz, Minka Breloer, Wiebke Hartmann
Worldwide more than 2 billion people are infected with helminths, predominantly in developing countries. Co-infections with viruses such as human immunodeficiency virus (HIV) are common due to the geographical overlap of these pathogens. Helminth and viral infections induce antagonistic cytokine responses in their hosts. Helminths shift the immune system to a type 2-dominated immune response, while viral infections skew the cytokine response towards a type 1 immune response. Moreover, chronic helminth infections are often associated with a generalized suppression of the immune system leading to prolonged parasite survival, and also to a reduced defence against unrelated pathogens...
December 2016: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/27922101/social-determinants-of-eyeblinks-in-adult-male-macaques
#10
Sébastien Ballesta, Clayton P Mosher, Jeno Szep, Kate D Fischl, Katalin M Gothard
Videos with rich social and emotional content elicit natural social behaviors in primates. Indeed, while watching videos of conspecifics, monkeys engage in eye contact, gaze follow, and reciprocate facial expressions. We hypothesized that the frequency and timing of eyeblinks also depends on the social signals contained in videos. We monitored the eyeblinks of four male adult macaques while they watched videos of conspecifics displaying facial expressions with direct or averted gaze. The instantaneous blink rate of all four animals decreased during videos...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27921996/the-cns-connectome-of-a-tadpole-larva-of-ciona-intestinalis-l-highlights-sidedness-in-the-brain-of-a-chordate-sibling
#11
Kerrianne Ryan, Zhiyuan Lu, Ian A Meinertzhagen
Left-right asymmetries in brains are usually minor or cryptic. We report brain asymmetries in the tiny, dorsal tubular nervous system of the ascidian tadpole larva, Ciona intestinalis. Chordate in body plan and development, the larva provides an outstanding example of brain asymmetry. Although early neural development is well studied, detailed cellular organization of the swimming larva's CNS remains unreported. Using serial-section EM we document the synaptic connectome of the larva's 177 CNS neurons. These formed 6618 synapses including 1772 neuromuscular junctions, augmented by 1206 gap junctions...
December 6, 2016: ELife
https://www.readbyqxmd.com/read/27921120/the-potential-of-probabilistic-graphical-models-in-linkage-map-construction
#12
Huange Wang, Fred A van Eeuwijk, Johannes Jansen
Probabilistic graphical models show great potential for robust and reliable construction of linkage maps. We show how to use probabilistic graphical models to construct high-quality linkage maps in the face of data perturbations caused by genotyping errors and reciprocal translocations. It has been shown that linkage map construction can be hampered by the presence of genotyping errors and chromosomal rearrangements such as inversions and translocations. Here, we report a novel method for linkage map construction using probabilistic graphical models...
December 5, 2016: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/27921003/thyroid-function-and-autoimmunity-versus-number-of-pregnancies
#13
Dimitrios Boufas, Andromachi Vryonidou, Georgios Mastorakos, Ioannis Ilias
BACKGROUND: Thyroid autoimmunity may be linked to infertility, in both thyrotropin (TSH)-dependent and TSH-independent fashion. The aim of the present study was to assess this presumed reciprocal relationship of thyroid autoimmunity and pregnancy. METHODS: TSH and antithyroid peroxidase autoantibodies (anti-TPO) were evaluated retrospectively over an eight-year period in 444 Greek women who had previously none or at least one pregnancy (>28 weeks). Statistics were done with analysis of co-variance (ANCOVA) and the Chi square test...
October 2016: Journal of Reproduction & Infertility
https://www.readbyqxmd.com/read/27920835/atriofascicular-pathway-detection-with-novel-ablation-catheter
#14
Padmanabhan Shakkottai, Adrian Baranchuk, Neil Hobson, Jane Caldwell
Atriofascicular pathways are a rare cause of antidromic atrioventricular reciprocating tachycardia. The IntellaTip MiFi ablation catheter (Boston Scientific, MA, USA) is a novel ablation catheter that allows enhanced signal clarity with highly localized electrograms. This is the first report of this catheter being successfully used to map and ablate the atriofascicular pathway potentials.
December 2016: Journal of Arrhythmia
https://www.readbyqxmd.com/read/27920470/nonalcoholic-fatty-liver-disease-a-multisystem-disease
#15
REVIEW
Ivana Mikolasevic, Sandra Milic, Tamara Turk Wensveen, Ivana Grgic, Ivan Jakopcic, Davor Stimac, Felix Wensveen, Lidija Orlic
Non-alcoholic fatty liver disease (NAFLD) is one of the most common comorbidities associated with overweight and metabolic syndrome (MetS). Importantly, NAFLD is one of its most dangerous complications because it can lead to severe liver pathologies, including fibrosis, cirrhosis and hepatic cellular carcinoma. Given the increasing worldwide prevalence of obesity, NAFLD has become the most common cause of chronic liver disease and therefore is a major global health problem. Currently, NAFLD is predominantly regarded as a hepatic manifestation of MetS...
November 21, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27920374/urban-driven-phenotypic-changes-empirical-observations-and-theoretical-implications-for-eco-evolutionary-feedback
#16
REVIEW
Marina Alberti, John Marzluff, Victoria M Hunt
Emerging evidence that cities drive micro-evolution raises the question of whether rapid urbanization of Earth might impact ecosystems by causing systemic changes in functional traits that regulate urban ecosystems' productivity and stability. Intraspecific trait variation-variation in organisms' morphological, physiological or behavioural characteristics stemming from genetic variability and phenotypic plasticity-has significant implications for ecological functions such as nutrient cycling and primary productivity...
January 19, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/27919099/look-before-you-seek-preview-adds-a-fixed-benefit-to-all-searches
#17
Sricharan Sunder, S P Arun
Knowing in advance what to look for speeds up search, but how this knowledge guides search is poorly understood. The little available evidence suggests that previewing the target produces larger reductions in search times for harder searches. To investigate this issue further, we performed seven experiments in which subjects searched for an oddball target after previewing the target, distracter, or an unrelated square. Consistent with previous studies, harder searches showed bigger reductions in search time for an informative preview...
December 1, 2016: Journal of Vision
https://www.readbyqxmd.com/read/27917513/torsional-and-bending-resistance-of-waveone-gold-reciproc-and-twisted-file-adaptive-instruments
#18
S E Elsaka, A M Elnaghy, A E Badr
AIM: To compare the torsional and bending resistance of WaveOne Gold (Dentsply Tulsa Dental Specialties, Tulsa, OK, USA), Reciproc (VDW, Munich, Germany) and Twisted File Adaptive (Axis/SybronEndo, Orange, CA, USA) instruments. METHODOLOGY: Torsional strength of WaveOne Gold primary size 25, .07 taper, Reciproc size 25, .08 taper and Twisted File Adaptive M-L1 size 25, .08 taper was measured by fastening the apical 3 mm of the instrument firmly and applying a constant rotation at 2 rpm to the instrument using a torsiometer...
December 5, 2016: International Endodontic Journal
https://www.readbyqxmd.com/read/27917509/effect-of-solvents-on-apically-extruded-debris-and-irrigant-during-root-canal-retreatment-using-reciprocating-instruments
#19
C Keskin, E Sariyilmaz, O Sariyilmaz
AIM: To evaluate the effect of several solvents on the weight of apically extruded debris and irrigant during retreatment using a novel agar gel model. METHODS: Orange oil, turpentine oil and chloroform were used as solvents. Eighty single straight rooted extracted human mandibular premolar teeth with a single root canal were divided into four groups (n=20). All specimens were root canal filled and weighed prior to their insertion I a prepared 1.5% agar gel model...
December 5, 2016: International Endodontic Journal
https://www.readbyqxmd.com/read/27917138/neural-elements-for-predictive-coding
#20
REVIEW
Stewart Shipp
Predictive coding theories of sensory brain function interpret the hierarchical construction of the cerebral cortex as a Bayesian, generative model capable of predicting the sensory data consistent with any given percept. Predictions are fed backward in the hierarchy and reciprocated by prediction error in the forward direction, acting to modify the representation of the outside world at increasing levels of abstraction, and so to optimize the nature of perception over a series of iterations. This accounts for many 'illusory' instances of perception where what is seen (heard, etc...
2016: Frontiers in Psychology
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