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https://www.readbyqxmd.com/read/28649710/tracking-the-effect-of-emotional-distraction-in-working-memory-brain-networks-evidence-from-an-meg-study
#1
Javier García-Pacios, Pilar Garcés, David Del Río, Fernando Maestú
The active maintenance of information in visual working memory (WM) is known to rely on the sustained activity over functional networks including frontal, parietal, occipital, and temporal cortices. Previous studies have described interference-based disturbances in the functional coupling between prefrontal and posterior cortices, and that such disturbances can be restored for a successful WM performance after the presentation of the interfering stimulus. However, very few studies have applied functional connectivity measures to the analysis of the brain dynamics involved in overriding emotional distraction, and all of them have limited their analysis to the particular connections between the amygdala and prefrontal cortex...
June 25, 2017: Psychophysiology
https://www.readbyqxmd.com/read/28648816/how-light-affects-the-life-of-botrytis
#2
REVIEW
Julia Schumacher
Fungi, like other organisms, actively sense the environmental light conditions in order to drive adaptive responses, including protective mechanisms against the light-associated stresses, and to regulate development. Ecological niches are characterized by different light regimes, for instance light is absent underground, and light spectra from the sunlight are changed underwater or under the canopy of foliage due to the absorption of distinct wavelengths by bacterial, algal and plant pigments. Considering the fact that fungi have evolved to adapt to their habitats, the complexities of their 'visual' systems may vary significantly...
June 22, 2017: Fungal Genetics and Biology: FG & B
https://www.readbyqxmd.com/read/28647757/arbuscular-mycorrhiza-effects-on-plant-performance-under-osmotic-stress
#3
REVIEW
Christian Santander, Ricardo Aroca, Juan Manuel Ruiz-Lozano, Jorge Olave, Paula Cartes, Fernando Borie, Pablo Cornejo
At present, drought and soil salinity are among the most severe environmental stresses that affect the growth of plants through marked reduction of water uptake which lowers water potential, leading to osmotic stress. In general, osmotic stress causes a series of morphological, physiological, biochemical, and molecular changes that affect plant performance. Several studies have found that diverse types of soil microorganisms improve plant growth, especially when plants are under stressful conditions. Most important are the arbuscular mycorrhizal fungi (AMF) which form arbuscular mycorrhizas (AM) with approximately 80% of plant species and are present in almost all terrestrial ecosystems...
June 25, 2017: Mycorrhiza
https://www.readbyqxmd.com/read/28647714/the-burden-of-multiple-sclerosis-and-patients-coping-strategies
#4
Lorena Lorefice, Giuseppe Fenu, Jessica Frau, Giancarlo Coghe, Maria Giovanna Marrosu, Eleonora Cocco
OBJECTIVES: Multiple sclerosis (MS) is a chronic disease that mainly affects young people. Patients with MS experience several emotional responses to changed perceptions of themselves and manage this situation in ways focused on controlling the overall burden of disease. This present study aimed to evaluate differences between patients with MS and healthy controls (HCs) in coping styles, identifying the MS clinical features that influence adaptive responses. METHODS: Patients with MS, according to the McDonald 2010 criteria, and HCs were recruited...
June 24, 2017: BMJ Supportive & Palliative Care
https://www.readbyqxmd.com/read/28647455/comparison-of-mucosal-lining-fluid-sampling-methods-and-influenza-specific-iga-detection-assays-for-use-in-human-studies-of-influenza-immunity
#5
Thushan I de Silva, Victoria Gould, Nuredin I Mohammed, Alethea Cope, Adam Meijer, Ilse Zutt, Johan Reimerink, Beate Kampmann, Katja Hoschler, Maria Zambon, John S Tregoning
We need greater understanding of the mechanisms underlying protection against influenza virus to develop more effective vaccines. To do this, we need better, more reproducible methods of sampling the nasal mucosa. The aim of the current study was to compare levels of influenza virus A subtype-specific IgA collected using three different methods of nasal sampling. Samples were collected from healthy adult volunteers before and after LAIV immunization by nasal wash, flocked swabs and Synthetic Absorptive Matrix (SAM) strips...
June 21, 2017: Journal of Immunological Methods
https://www.readbyqxmd.com/read/28645570/quantitative-proteomics-analysis-by-itraq-revealed-underlying-changes-in-thermotolerance-of-arthrospira-platensis
#6
Rong Chang, Bingxin Lv, Bosheng Li
Growth temperature is a critical factor that affects cultivation of Arthrospira platensis which is a type of cyanobacterium widely known as Spirulina that has significant commercial value. To investigate the molecular mechanism underlying the thermotolerance of Spirulina, differential protein expression profiling was carried out using iTRAQ-based quantitative proteomic analysis. This study only analyzed changes in thylakoids. Among the 2085 proteins quantified, 43 differentially expressed proteins were selected based on the fold change cutoff scores of ≥2 or ≤0...
June 20, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28645040/longitudinal-effects-of-religious-involvement-on-religious-coping-and-health-behaviors-in-a-national-sample-of-african-americans
#7
Cheryl L Holt, David L Roth, Jin Huang, Crystal L Park, Eddie M Clark
Many studies have examined associations between religious involvement and health, linking various dimensions of religion with a range of physical health outcomes and often hypothesizing influences on health behaviors. However, far fewer studies have examined explanatory mechanisms of the religion-health connection, and most have overwhelmingly relied on cross-sectional analyses. Given the relatively high levels of religious involvement among African Americans and the important role that religious coping styles may play in health, the present study tested a longitudinal model of religious coping as a potential mediator of a multidimensional religious involvement construct (beliefs; behaviors) on multiple health behaviors (e...
June 15, 2017: Social Science & Medicine
https://www.readbyqxmd.com/read/28642761/overexpression-of-bdmate-gene-improves-aluminum-tolerance-in-setaria-viridis
#8
Ana P Ribeiro, Wagner R de Souza, Polyana K Martins, Felipe Vinecky, Karoline E Duarte, Marcos F Basso, Bárbara A D B da Cunha, Raquel B Campanha, Patrícia A de Oliveira, Danilo C Centeno, Geraldo M A Cançado, Jurandir V de Magalhães, Carlos A F de Sousa, Alan C Andrade, Adilson K Kobayashi, Hugo B C Molinari
Acidic soils are distributed worldwide, predominantly in tropical and subtropical areas, reaching around 50% of the arable soil. This type of soil strongly reduces crop production, mainly because of the presence of aluminum, which has its solubility increased at low pH levels. A well-known physiological mechanism used by plants to cope with Al stress involves activation of membrane transporters responsible for organic acid anions secretion from the root apex to the rhizosphere, which chelate Al, preventing its absorption by roots...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28641991/vitality-training-a-mindfulness-and-acceptance-based-intervention-for-chronic-pain
#9
Heidi A Zangi, Liv Haugli
Chronic non-malign pain has a substantial impact on all parts of an individual's life. Mindfulness- and acceptance- based interventions are increasingly offered to help people manage their pain and strengthening their health promoting resources. In this paper, we present a mindfulness- and acceptance-based intervention, the Vitality Training Programme (VTP), to mitigating pain and accompanying symptoms and increasing pain coping abilities. Based on a clinical case presentation, we discuss how the VTP can help individuals to live a better life with pain...
June 9, 2017: Patient Education and Counseling
https://www.readbyqxmd.com/read/28639066/enzymatic-mechanisms-involved-in-evasion-of-fungi-to-the-oxidative-stress-focus-on-scedosporium-apiospermum
#10
C Staerck, P Vandeputte, A Gastebois, A Calenda, S Giraud, N Papon, J P Bouchara, M J J Fleury
The airways of patients with cystic fibrosis (CF) are frequently colonized by various filamentous fungi, mainly Aspergillus fumigatus and Scedosporium species. To establish within the respiratory tract and cause an infection, these opportunistic fungi express pathogenic factors allowing adherence to the host tissues, uptake of extracellular iron, or evasion to the host immune response. During the colonization process, inhaled conidia and the subsequent hyphae are exposed to reactive oxygen species (ROS) and reactive nitrogen species (RNS) released by phagocytic cells, which cause in the fungal cells an oxidative stress and a nitrosative stress, respectively...
June 21, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28637678/regulation-of-the-unfolded-protein-response-by-non-coding-rna
#11
Mari McMahon, Afshin Samali, Eric Chevet
Cells are exposed to various intrinsic and extrinsic stresses in both physiological and pathological conditions. To adapt to those conditions, cells have evolved various mechanisms to cope with the disturbances in protein demand, largely through the Unfolded Protein Response (UPR) in the Endoplasmic Reticulum (ER), but also through the Integrated Stress Response (ISR). Both responses initiate downstream signaling to transcription factors that, in turn, trigger adaptive programs and/or in the case of prolonged stress, cell death mechanisms...
June 21, 2017: American Journal of Physiology. Cell Physiology
https://www.readbyqxmd.com/read/28635436/changes-in-the-nature-and-intensity-of-stress-following-employment-among-people-with-severe-mental-illness-receiving-individual-placement-and-support-services-an-exploratory-qualitative-study
#12
Christine Besse, Daniel Poremski, Vincent Laliberté, Eric Latimer
BACKGROUND: Most people with severe mental illness (SMI) want to work. Individual placement and support (IPS) programs have proven effective in helping them obtain and keep competitive jobs. Yet, practitioners often fear that competitive jobs might be too stressful. AIMS: To explore how the nature and intensity of stress experienced by IPS clients changed after the transition from looking for work to being employed. METHODS: Semi-structured interviews explored the experiences of 16 clients of an IPS program who had recently been competitively employed...
March 1, 2017: Journal of Mental Health
https://www.readbyqxmd.com/read/28635432/psychological-resilience-in-people-experiencing-schizophrenia-and-suicidal-thoughts-and-behaviours
#13
Patricia Ann Gooding, Donna Littlewood, Rebecca Owen, Judith Johnson, Nick Tarrier
BACKGROUND: Negative stressors can aggravate the impact of schizophrenia. However, some people find ways of combating such stressors. There is a dearth of research examining factors which enable individuals with schizophrenia to show psychological resilience. AIMS: The goal of this study was to investigate resilience to negative stressors in people with disorders on the schizophrenia spectrum using a qualitative methodology. METHODS: Data were collected from 23 participants who had experienced schizophrenia and suicidal thoughts and behaviours...
February 28, 2017: Journal of Mental Health
https://www.readbyqxmd.com/read/28630667/evaluation-of-radical-scavenging-system-in-amoeba-chaos-carolinense-during-nutrient-deprivation
#14
Yuru Deng, Edlyn Li-Hui Lee, Ketpin Chong, Zakaria A Almsherqi
The frequent appearance of non-lamellar membrane arrangements such as cubic membranes (CMs) in cells under stressed or pathological conditions points to an intrinsic cellular response mechanism. CM represents highly curved, three-dimensional nano-periodic structures that correspond to mathematically well-defined triply periodic minimal surfaces. Specifically, cellular membrane may transform into CM organization in response to pathological, inflammatory and oxidative stress conditions. CM organization, thus, may provide an advantage to cope with various types of stress...
August 6, 2017: Interface Focus
https://www.readbyqxmd.com/read/28628557/excessive-hemodynamic-activity-in-the-superior-frontal-cortex-during-the-flanker-task-in-children-with-attention-deficit-hyperactivity-disorder
#15
Kota Suzuki, Yasuko Okumura, Yosuke Kita, Yuhei Oi, Yushiro Yamashita, Takaaki Goto, Masumi Inagaki
Near-infrared spectroscopy studies in children with attention deficit hyperactivity disorder (ADHD) have shown excessive prefrontal activity responsible for coping with interference. However, it is possible that the previous results were influenced by verbal, reading, and memory developments. The flanker task is an interference task that does not require a verbal response, reading, or memorization. We examined activity in the superior frontal cortex (SFC) during the flanker task in 12 children with ADHD and 14 children with typical development using near-infrared spectroscopy...
June 16, 2017: Neuroreport
https://www.readbyqxmd.com/read/28628240/comparative-transcriptome-analysis-of-nodules-of-two-mesorhizobium-chickpea-associations-with-differential-symbiotic-efficiency-under-phosphate-deficiency
#16
Maryam Nasr Esfahani, Komaki Inoue, Ha Duc Chu, Kien Huu Nguyen, Chien Van Ha, Yasuko Watanabe, David J Burritt, Luis Herrera-Estrella, Keiichi Mochida, Lam-Son Phan Tran
Phosphate (Pi) deficiency is known to be a major limitation for symbiotic nitrogen fixation (SNF), and hence legume crop productivity globally. However, very little information is available on the adaptive mechanisms, particularly in the important legume crop chickpea (Cicer arietinum L.), which enable nodules to respond to low-Pi availability. Thus, to elucidate these mechanisms in chickpea nodules at molecular level, we used an RNA sequencing approach to investigate transcriptomes of the nodules in Mesorhizobium mediterraneum SWRI9-(MmSWRI9)-chickpea and M...
June 19, 2017: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/28626298/stress-and-coping-latino-youth-coming-of-age-in-a-new-latino-destination
#17
Maria Brietzke, Krista Perreira
Previous research has linked stress to adverse mental health outcomes among Latino adolescents living in the United States. The mechanism through which this process operates continues to be explored, especially in regions of the country where Latin American immigrants and their children have only recently begun to migrate. Our study aimed to contextualize the processes of stress and coping among Latino adolescents growing up in an emerging Latino destination in the US-North Carolina (NC). All adolescents in our study were either the first or second generation children of immigrants from Latin American countries including Colombia, El Salvador, Honduras, and Mexico...
July 2017: Journal of Adolescent Research
https://www.readbyqxmd.com/read/28626004/sex-chromosome-evolution-heterochiasmy-and-physiological-qtl-in-the-salmonid-brook-charr-salvelinus-fontinalis
#18
Ben J G Sutherland, Ciro Rico, Céline Audet, Louis Bernatchez
Whole genome duplication can have large impacts on genome evolution, and much remains unknown about these impacts. This includes the mechanisms of coping with a duplicated sex determination system and whether this has an impact on increasing the diversity of sex determination mechanisms. Other impacts include sexual conflict, where alleles having different optimums in each sex can result in sequestration of genes into non-recombining sex chromosomes. Sex chromosome development itself may involve sex-specific recombination rate (i...
June 16, 2017: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/28624698/brief-mindfulness-training-de-couples-the-anxiogenic-effects-of-distress-intolerance-on-reactivity-to-and-recovery-from-stress-among-deprived-smokers
#19
Rotem Paz, Ariel Zvielli, Pavel Goldstein, Amit Bernstein
OBJECTIVE: We tested whether mindfulness de-couples the expected anxiogenic effects of distress intolerance on psychological and physiological reactivity to and recovery from an anxiogenic stressor among participants experimentally sensitized to experience distress. METHOD: N = 104 daily smokers underwent 18-hours of biochemically-verified smoking deprivation. Participants were then randomized to a 7-min analogue mindfulness intervention (present moment attention and awareness training; PMAA) or a cope-as-usual control condition; and subsequently exposed to a 2...
June 2, 2017: Behaviour Research and Therapy
https://www.readbyqxmd.com/read/28622391/neuronal-substrates-underlying-stress-resilience-and-susceptibility-in-rats
#20
Fabia Febbraro, Katrine Svenningsen, Thao Phuong Tran, Ove Wiborg
BACKGROUND: Stress and stressful life events have repeatedly been shown as causally related to depression. The Chronic Mild Stress rat model is a valid model of stress-induced depression. Like humans, rats display great heterogeneity in their response to stress and adversity. Hence some individuals are stress-sensitive and prone to develop depression-like behaviour in response to modest stressors, while others are stress-resilient and remain essentially symptom free. OBJECTIVES: Compared to the large body of research, which describes stress-induced maladaptive neurobiological changes, relatively little attention has been devoted to understand resiliency to stress...
2017: PloS One
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