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https://www.readbyqxmd.com/read/27930927/arsenic-affects-the-production-of-glucosinolate-thiol-and-phytochemical-compounds-a-comparison-of-two-brassica-cultivars
#1
Chandana Pandey, Rehna Augustine, Medha Panthri, Ismat Zia, Naveen C Bisht, Meetu Gupta
Arsenic (As), a non-essential metalloid, severely affects the normal functioning of plants, animals and humans. Plants play a crucial role in metabolic, physiological and numerous detoxification mechanisms to cope up with As induced stress. This study aimed to examine the differential response in two Brassica juncea cultivars, Varuna and Pusa Jagannath (PJn) exposed to different doses of As (50, 150, 300 μM) for 48 h duration. Change in morphological traits, concentration of individual as well as total GSL, sulfur related thiol proteins, sulfur content, and phytochemicals were analyzed in both cultivars...
November 30, 2016: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/27930926/changes-in-coping-behavior-in-a-randomized-controlled-trial-of-concurrent-treatment-for-ptsd-and-alcohol-dependence
#2
Yinyin Zang, Jessica Yu, Daniel Chazin, Anu Asnaani, Laurie J Zandberg, Edna B Foa
OBJECTIVE: The current study examines changes in coping among 165 adults meeting DSM-IV criteria for co-morbid posttraumatic stress disorder (PTSD) and alcohol dependence (AD). METHOD: Participants were randomized to receive naltrexone or placebo, with or without prolonged exposure (PE). All participants received supportive counseling focused on alcohol use (BRENDA). Assessments of coping, PTSD, and AD were conducted at pre-treatment, mid-treatment, post-treatment, 3-month follow-up, and 6-month follow-up...
November 24, 2016: Behaviour Research and Therapy
https://www.readbyqxmd.com/read/27930298/light-affects-salt-stress-induced-transcriptional-memory-of-p5cs1-in-arabidopsis
#3
Xuan Jun Feng, Jing Rui Li, Shi Lian Qi, Qing Fang Lin, Jing Bo Jin, Xue Jun Hua
To cope with environmental stresses, plants often adopt a memory response upon primary stress exposure to facilitate a quicker and stronger reaction to recurring stresses. However, it remains unknown whether light is involved in the manifestation of stress memory. Proline accumulation is a striking metabolic adaptation of higher plants during various environmental stresses. Here we show that salinity-induced proline accumulation is memorable and HY5-dependent light signaling is required for such a memory response...
December 7, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27929448/community-capitals-as-community-resilience-to-climate-change-conceptual-connections
#4
Shaikh Mohammad Kais, Md Saidul Islam
In the last few decades, disaster risk reduction programs and climate initiatives across the globe have focused largely on the intimate connections between vulnerability, recovery, adaptation, and coping mechanisms. Recent focus, however, is increasingly paid to community resilience. Community, placed at the intersection between the household and national levels of social organization, is crucial in addressing economic, social, or environmental disturbances disrupting human security. Resilience measures a community's capability of bouncing back-restoring the original pre-disaster state, as well as bouncing forward-the capacity to cope with emerging post-disaster situations and changes...
December 6, 2016: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/27929331/information-processing-in-illness-representation-implications-from-an-associative-learning-framework
#5
Rob Lowe, Paul Norman
OBJECTIVE: The common-sense model (Leventhal, Meyer, & Nerenz, 1980) outlines how illness representations are important for understanding adjustment to health threats. However, psychological processes giving rise to these representations are little understood. To address this, an associative-learning framework was used to model low-level process mechanics of illness representation and coping-related decision making. METHOD: Associative learning was modeled within a connectionist network simulation...
December 8, 2016: Health Psychology: Official Journal of the Division of Health Psychology, American Psychological Association
https://www.readbyqxmd.com/read/27928829/mapping-the-illness-trajectories-of-insomnia-a-biographical-disruption
#6
Janet M Y Cheung, Bandana Saini, Delwyn J Bartlett, Tracey-Lea Laba, Paul H Mason
The insomnia illness experience can be conceptualised as a form of biographical disruption. Using a critical interpretive phenomenological lens 51 in-depth semi-structured interviews were conducted with patients from specialist sleep and psychology clinics (n = 22) and the general community (n = 29). Patients' narratives revealed key phases of their illness trajectories as they recognise, rethink and respond to insomnia. Their biographical events served as reference points for both patient groups to make sense of their illness experiences as they transitioned from a perceived state of sleeplessness to clinical insomnia...
December 7, 2016: Sociology of Health & Illness
https://www.readbyqxmd.com/read/27927623/metabolic-and-functional-characterization-of-effects-of-developmental-temperature-in-drosophila-melanogaster
#7
Mads F Schou, Torsten Nygaard Kristensen, Anders Pedersen, Goran B Karlsson, Volker Loeschcke, Anders Malmendal
The ability of ectotherms to respond to changes in their thermal environment through plastic mechanisms is central to their adaptive capability. However, we still lack knowledge on physiological and functional responses by which ectotherms acclimate to temperatures during development, and in particular, how physiological stress at extreme temperatures may counteract beneficial acclimation responses at benign temperatures. We exposed Drosophila melanogaster to ten developmental temperatures covering their entire permissible temperature range...
December 7, 2016: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/27927213/living-on-the-edge-substrate-competition-explains-loss-of-robustness-in-mitochondrial-fatty-acid-oxidation-disorders
#8
Karen van Eunen, Catharina M L Volker-Touw, Albert Gerding, Aycha Bleeker, Justina C Wolters, Willemijn J van Rijt, Anne-Claire M F Martines, Klary E Niezen-Koning, Rebecca M Heiner, Hjalmar Permentier, Albert K Groen, Dirk-Jan Reijngoud, Terry G J Derks, Barbara M Bakker
BACKGROUND: Defects in genes involved in mitochondrial fatty-acid oxidation (mFAO) reduce the ability of patients to cope with metabolic challenges. mFAO enzymes accept multiple substrates of different chain length, leading to molecular competition among the substrates. Here, we combined computational modeling with quantitative mouse and patient data to investigate whether substrate competition affects pathway robustness in mFAO disorders. RESULTS: First, we used comprehensive biochemical analyses of wild-type mice and mice deficient for medium-chain acyl-CoA dehydrogenase (MCAD) to parameterize a detailed computational model of mFAO...
December 7, 2016: BMC Biology
https://www.readbyqxmd.com/read/27922074/resistance-gene-identification-from-larimichthys-crocea-with-machine-learning-techniques
#9
Yinyin Cai, Zhijun Liao, Ying Ju, Juan Liu, Yong Mao, Xiangrong Liu
The research on resistance genes (R-gene) plays a vital role in bioinformatics as it has the capability of coping with adverse changes in the external environment, which can form the corresponding resistance protein by transcription and translation. It is meaningful to identify and predict R-gene of Larimichthys crocea (L.Crocea). It is friendly for breeding and the marine environment as well. Large amounts of L.Crocea's immune mechanisms have been explored by biological methods. However, much about them is still unclear...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27914195/is-leisure-beneficial-for-older-korean-immigrants-an-interpretative-phenomenological-analysis
#10
Junhyoung Kim, Sangjeong Moon, Jungsun Song
Leisure is an important quality of life factor for older Korean immigrants. The purpose of this study was to explore leisure benefits associated with health among older Korean immigrants. A total of 18 individuals participated in the study. Using interpretative phenomenological analysis (IPA), three themes emerged from participants' personal statements and experiences: (a) experiencing psychological benefits, (b) strengthening social connections, and (c) coping with acculturative stress. The findings indicate that leisure provided a context in which older Korean immigrants created an emotional and social support system that helped them to experience psychological and social benefits...
2016: International Journal of Qualitative Studies on Health and Well-being
https://www.readbyqxmd.com/read/27914009/serum-response-factor-srf-ablation-interferes-with-acute-stress-associated-immediate-and-long-term-coping-mechanisms
#11
Annemarie Zimprich, Gabi Mroz, Christopher Meyer Zu Reckendorf, Sofia Anastasiadou, Philip Förstner, Lillian Garrett, Sabine M Hölter, Lore Becker, Jan Rozman, Cornelia Prehn, Birgit Rathkolb, Kristin Moreth, Wolfgang Wurst, Thomas Klopstock, Martin Klingenspor, Jerzy Adamski, Eckhard Wolf, Raffi Bekeredjian, Helmut Fuchs, Valerie Gailus-Durner, Martin Hrabe de Angelis, Bernd Knöll
Stress experience modulates behavior, metabolism, and energy expenditure of organisms. One molecular hallmark of an acute stress response is a rapid induction of immediate early genes (IEGs) such as c-Fos and Egr family members. IEG transcription in neurons is mediated by the neuronal activity-driven gene regulator serum response factor (SRF). We show a first role of SRF in immediate and long-lasting acute restraint stress (AS) responses. For this, we employed a standardized mouse phenotyping protocol at the German Mouse Clinic (GMC) including behavioral, metabolic, and cardiologic tests as well as gene expression profiling to analyze the consequences of forebrain-specific SRF deletion in mice exposed to AS...
December 2, 2016: Molecular Neurobiology
https://www.readbyqxmd.com/read/27910577/performance-assessment-of-the-antenna-setup-for-the-iter-plasma-position-reflectometry-in-vessel-systems
#12
P Varela, J H Belo, P B Quental
The design of the in-vessel antennas for the ITER plasma position reflectometry diagnostic is very challenging due to the need to cope both with the space restrictions inside the vacuum vessel and with the high mechanical and thermal loads during ITER operation. Here, we present the work carried out to assess and optimise the design of the antenna. We show that the blanket modules surrounding the antenna strongly modify its characteristics and need to be considered from the early phases of the design. We also show that it is possible to optimise the antenna performance, within the design restrictions...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27909300/cyanobacterial-photoprotection-by-the-orange-carotenoid-protein
#13
REVIEW
Diana Kirilovsky, Cheryl A Kerfeld
In photosynthetic organisms, the production of dangerous oxygen species is stimulated under high irradiance. To cope with this stress, these organisms have evolved photoprotective mechanisms. One type of mechanism functions to decrease the energy arriving at the photochemical centres by increasing thermal dissipation at the level of antennae. In cyanobacteria, the trigger for this mechanism is the photoactivation of a soluble carotenoid protein, the orange carotenoid protein (OCP), which is a structurally and functionally modular protein...
December 2, 2016: Nature Plants
https://www.readbyqxmd.com/read/27908260/-a-proteomics-approach-to-discover-drought-tolerance-proteins-in-wheat-pollen-grain-at-meiosis-stage
#14
Reza Fotovat, Mehdi Alikhani, Mostafa Valizadeh, Mehdi Mirzaei, Ghasem Hossein Salekdeh
Plants reproductive phase, when grain yield and consequently farmers' investment is most in jeopardy, is considered as the most sensitive stage to drought stress. In this study, we aimed to explore the proteomic response of wheat anther at meiosis stage in a drought tolerant, Darab, and susceptible, Shiraz, wheat genotypes. Wheat plants were exposed to drought stress at meiosis stage for four days under controlled environmental conditions. Then, anthers from both genotypes were sampled, and their proteomes were examined via quantitative proteomics analysis...
November 30, 2016: Protein and Peptide Letters
https://www.readbyqxmd.com/read/27906508/co2-capture-with-ionic-liquids-ils-and-deep-eutectic-solvents-dess-a-new-generation-of-sorbents
#15
Shokat Sarmad, Jyri-Pekka Mikkola, Xiaoyan Ji
High cost and high energy penalty for carbon dioxide (CO2) uptake from flue gases are important obstacles in large-scale industrial applications, and developing efficient technology for CO2 capture from technic and economic points is crucial. Ionic liquids (ILs) show the potential for CO2 separation due to their inherent advantages and have been proposed as alternatives in order to overcome the drawbacks of conventional sorbents. Chemical modification of ILs to improve their performance in CO2 absorption has received more attention...
December 1, 2016: ChemSusChem
https://www.readbyqxmd.com/read/27904472/clearing-the-corpses-regulatory-mechanisms-novel-tools-and-therapeutic-potential-of-harnessing-microglial-phagocytosis-in-the-diseased-brain
#16
REVIEW
Irune Diaz-Aparicio, Sol Beccari, Oihane Abiega, Amanda Sierra
Apoptosis is a widespread phenomenon that occurs in the brain in both physiological and pathological conditions. Dead cells must be quickly removed to avoid the further toxic effects they exert in the parenchyma, a process executed by microglia, the brain professional phagocytes. Although phagocytosis is critical to maintain tissue homeostasis, it has long been either overlooked or indirectly assessed based on microglial morphology, expression of classical activation markers, or engulfment of artificial phagocytic targets in vitro...
October 2016: Neural Regeneration Research
https://www.readbyqxmd.com/read/27904062/promising-therapies-for-fungal-infection-based-on-the-study-to-elucidate-mechanisms-to-cope-with-stress-in-candida-species
#17
Kazuyuki Hirai, Tatsuya Inukai, Hironobu Nakayama
In recent years, the incidence of fungal infections has been increasing, particularly among patients with immune systems compromised by human immunodeficiency virus infection, organ transplantation, and/or chemotherapy for cancer. Current therapies for treating systemic fungal infection have limited effectiveness and have created problems of adverse reactions and drug resistance. These issues therefore motivate us to develop novel antifungals. Elucidation of stress response mechanisms and virulence factors in pathogenic fungi is required in developing an effective antifungal strategy...
2016: Medical Mycology Journal
https://www.readbyqxmd.com/read/27902743/itraq-based-quantitative-proteomic-analysis-of-spirulina-platensis-in-response-to-low-temperature-stress
#18
Qingye Li, Rong Chang, Yijun Sun, Bosheng Li
Low temperature (LT) is one of the most important abiotic stresses that can significantly reduce crop yield. To gain insight into how Spirulina responds to LT stress, comprehensive physiological and proteomic analyses were conducted in this study. Significant decreases in growth and pigment levels as well as excessive accumulation of compatible osmolytes were observed in response to LT stress. An isobaric tag for relative and absolute quantitation (iTRAQ)-based quantitative proteomics approach was used to identify changes in protein abundance in Spirulina under LT...
2016: PloS One
https://www.readbyqxmd.com/read/27900800/effects-of-partial-sleep-deprivation-on-reaction-time-in-anesthesiologists
#19
Haleh Saadat, Bruno Bissonnette, Dmitry Tumin, Vidya Raman, Julie Rice, N'Diris Barry, Joseph Tobias
BACKGROUND: Fatigue in anesthesiologists may have implications that extend beyond individual well-being. AIM: The aim of the present study was to evaluate the impact of sleep deprivation on the reaction time in anesthesiologists either after an overnight call or regular working hours. Moderation of this effect by coping strategies was observed. METHODS: Psychomotor vigilance test was used to assess reaction time in 23 anesthesiologists at two time-points: (i) on a regular non-call day and (ii) after a 17-h in-house call...
November 30, 2016: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/27900750/-the-management-of-itching-in-burn-patients-during-the-rehabilitation-stage
#20
Shu-Fen Lo, Li-Jung Chang, Ting-Yuan Shiue, Ching-Yi Pan, Hui-Chuan Wu
Pruritus, a distressing symptom that affects burn patients, not only interferes with activities of daily living but also causes disturbed sleep, which has been associated with anxiety, depression, and other types of negative moods. Furthermore, the uncontrolled scratching that often accompanies pruritus causes tissue damage and may damage or destroy the skin graft. In this paper, the authors first describe the definition and mechanism of pruritus and next use itching-assessment tools to identify the triggering factors...
December 2016: Hu Li za Zhi the Journal of Nursing
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