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https://www.readbyqxmd.com/read/28340327/polymorphic-responses-of-medicago-truncatula-accessions-to-potassium-deprivation
#1
Kevin Garcia, Jean-Michel Ané
Potassium (K(+)) is an essential macronutrient for plants and the most abundant cation in cells. Due to variable K(+) availability in the environment, plants must be able to adjust their developmental, physiological and transcriptional responses. The plant development to K(+) deprivation was not well studied in legumes thus far. We recently described the first adaptation mechanisms of the model legume Medicago truncatula Jemalong A17 to long-term K(+) deprivation and analyzed these responses in the context of arbuscular mycorrhizal symbiosis...
March 24, 2017: Plant Signaling & Behavior
https://www.readbyqxmd.com/read/28338724/sex-differences-in-the-development-of-emotion-circuitry-in-adolescents-at-risk-for-substance-abuse-a-longitudinal-fmri-study
#2
Jillian E Hardee, Lora M Cope, Emily C Munier, Robert C Welsh, Robert A Zucker, Mary M Heitzeg
There is substantial evidence for behavioral sex differences in risk trajectories for alcohol and substance use disorders (SUDs), with internalizing factors such as negative affectivity contributing more to female risk. Because the neural development of emotion circuitry varies between males and females across adolescence, it represents a potential mechanism by which underlying neurobiology contributes to SUD risk. Longitudinal functional magnetic resonance imaging (fMRI) was conducted in males and females (n = 18 each) with a family history of alcohol use disorders starting at ages 8-13yrs...
February 21, 2017: Social Cognitive and Affective Neuroscience
https://www.readbyqxmd.com/read/28338644/clinical-hypnosis-an-effective-mind-body-modality-for-adolescents-with-behavioral-and-physical-complaints
#3
REVIEW
Anju Sawni, Cora Collette Breuner
Mind-body medicine is a system of health practices that includes meditation/relaxation training, guided imagery, hypnosis, biofeedback, yoga, art/music therapy, prayer, t'ai chi, and psychological therapies such as cognitive behavioral therapy. Clinical hypnosis is an important mind-body tool that serves as an adjunct to conventional medical care for the adolescent patient. Clinical hypnosis specifically uses self-directed therapeutic suggestions to cultivate the imagination and facilitate the mind-body connection, leading to positive emotional and physical well-being...
March 24, 2017: Children
https://www.readbyqxmd.com/read/28337760/proteomics-of-contrasting-rice-genotypes-identification-of-potential-targets-for-raising-crops-for-saline-environment
#4
Nita Lakra, Charanpreet Kaur, Khalid Anwar, Sneh Lata Singla-Pareek, Ashwani Pareek
High salinity is one of the major problems in crop productivity, affecting seed germination as well as yield. In order to enhance tolerance of crops towards salinity, it is essential to understand the underlying physiological and molecular mechanisms. In this endeavor, study of contrasting genotypes of the same species differing in their response towards salinity stress can be very useful. In the present study, we have investigated temporal differences in morphological, physiological and proteome profiles of two contrasting genotypes of rice to understand the basis of salt-tolerance...
March 24, 2017: Plant, Cell & Environment
https://www.readbyqxmd.com/read/28325117/psychometric-summary-of-the-technology-delivered-tension-scales-for-weight-management
#5
Kelli L Kramer-Jackman, Sue Popkess-Vawter
The purpose of this article is to summarize the psychometric results from studies of the last 25 years of the Overeating Tension Scale, Exercise Tension Scale, Feelings Tension Scale, and Feelings About Weight Tension Scale. These reliable and valid technology-delivered weight management scales can be used by clinicians independently or in combination to longitudinally identify specific triggers of overeating, skipping exercise, feeling low or down, and strong feelings about one's body weight; motivational states, and related tension levels...
March 1, 2017: Western Journal of Nursing Research
https://www.readbyqxmd.com/read/28323867/understanding-and-coping-with-extremism-in-an-online-collaborative-environment-a-data-driven-modeling
#6
Csilla Rudas, Olivér Surányi, Taha Yasseri, János Török
The Internet has provided us with great opportunities for large scale collaborative public good projects. Wikipedia is a predominant example of such projects where conflicts emerge and get resolved through bottom-up mechanisms leading to the emergence of the largest encyclopedia in human history. Disaccord arises whenever editors with different opinions try to produce an article reflecting a consensual view. The debates are mainly heated by editors with extreme views. Using a model of common value production, we show that the consensus can only be reached if groups with extreme views can actively take part in the discussion and if their views are also represented in the common outcome, at least temporarily...
2017: PloS One
https://www.readbyqxmd.com/read/28323502/head-injury-and-substance-use-in-young-adults
#7
Lisa A Kort-Butler
BACKGROUND: Prior studies suggest a link between head injuries and substance use but do not routinely capture mechanisms connecting the two. OBJECTIVES: The goal of the study was to explore whether past head injuries predicted current substance use among young adults, taking factors such as stress, self-esteem, temper, and risk-taking into consideration. METHODS: Data were drawn from a web-based survey conducted in 2014 and 2015 at a public university in the United States (n = 897)...
March 21, 2017: Substance Use & Misuse
https://www.readbyqxmd.com/read/28322971/effects-and-mechanisms-of-compound-chinese-medicine-and-major-ingredients-on-microcirculatory-dysfunction-and-organ-injury-induced-by-ischemia-reperfusion
#8
REVIEW
Jing-Yan Han, Quan Li, Zhi-Zhong Ma, Jing-Yu Fan
Microcirculation dysfunction and organ injury after ischemia and reperfusion (I/R) result from a complex pathologic process consisting of multiple links, with metabolism impairment in the ischemia phase and oxidative stress in the reperfusion phase as initiators, and any treatment targeting a single link is insufficient to cope with this. Compound Chinese medicine (CCM) has been applied in clinics in China and some Asian nations for more than 2000 years. Studies over the past decades revealed the protective and therapeutic effect of CCMs and major ingredients on I/R-induced microcirculatory dysfunction and tissue injury in the heart, brain, liver, intestine, and so on...
March 16, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28319134/genotype-and-local-environment-dynamically-influence-growth-disturbance-response-and-survivorship-in-the-threatened-coral-acropora-cervicornis
#9
Crawford Drury, Derek Manzello, Diego Lirman
The relationship between the coral genotype and the environment is an important area of research in degraded coral reef ecosystems. We used a reciprocal outplanting experiment with 930 corals representing ten genotypes on each of eight reefs to investigate the influence of genotype and the environment on growth and survivorship in the threatened Caribbean staghorn coral, Acropora cervicornis. Coral genotype and site were strong drivers of coral growth and individual genotypes exhibited flexible, non-conserved reaction norms, complemented by ten-fold differences in growth between specific G-E combinations...
2017: PloS One
https://www.readbyqxmd.com/read/28318873/factors-associated-with-changes-in-fruit-intake-during-young-adulthood-a-classification-and-regression-tree-analysis-of-longitudinal-data
#10
David Lohrmann, Wasantha Jayawardene, Mohammad Torabi
OBJECTIVE: To examine whether distinct participant groupings for changes in fruit intake (FI) levels between ages 23 and 31 years are identifiable based on both time-varying and time-invariant sociodemographic and behavioral variables. METHODS: Data were derived from the National Longitudinal Survey of Youth-1997, US. Change in FI frequency constituted the dependent variable. For 21 variables, changes and averages in 2007-2011 were calculated. Classification and regression tree analysis was conducted using Generalized, Unbiased, Interaction Detection, and Estimation software...
March 16, 2017: Journal of Nutrition Education and Behavior
https://www.readbyqxmd.com/read/28318307/stress-socializing-and-other-motivations-for-smoking-among-the-lesbian-gay-bisexual-transgender-and-queer-community-in-new-york-city
#11
Deanna P Jannat-Khah, LeConté J Dill, Simone A Reynolds, Michael A Joseph
PURPOSE: This study contributes to the emerging literature on lesbian, gay, bisexual, transgendered, and queer (LGBTQ) health disparities and tobacco use by examining the motivations for smoking among the New York City (NYC) LGBTQ population. APPROACH: We used grounded theory and blended methods from 3 grounded theorists-Strauss, Corbin, and Charmaz-for data collection, coding, and analysis. SETTING: NYC has extensive legislation to prevent smoking; however, the current smoking prevalence of homosexuals is double that of heterosexuals...
January 1, 2017: American Journal of Health Promotion: AJHP
https://www.readbyqxmd.com/read/28317500/can-i-use-marijuana-safely-an-examination-of-distal-antecedents-marijuana-protective-behavioral-strategies-and-marijuana-outcomes
#12
Adrian J Bravo, Mark A Prince, Matthew R Pearson
OBJECTIVE: Given the high prevalence of marijuana use among college students, it is imperative to determine the factors that may reduce risk of problematic marijuana use and/or the development of cannabis use disorder. We examined marijuana protective behavioral strategies (PBS) as a proximal predictor of marijuana-related outcomes and a mediator of the associations between other known risk/protective factors and marijuana-related outcomes. METHOD: Using data from a sample of 2,129 past-month marijuana users, collected from 11 universities in the United States, we examined marijuana PBS use as a mediator of the effects of sex, age at first use, impulsivity-like traits, and marijuana use motives on marijuana use frequency and marijuana related consequences...
March 2017: Journal of Studies on Alcohol and Drugs
https://www.readbyqxmd.com/read/28315825/effects-of-florida-red-tides-on-histone-variant-expression-and-dna-methylation-in-the-eastern-oyster-crassostrea-virginica
#13
Rodrigo Gonzalez-Romero, Victoria Suarez-Ulloa, Javier Rodriguez-Casariego, Daniel Garcia-Souto, Gabriel Diaz, Abraham Smith, Juan Jose Pasantes, Gary Rand, Jose M Eirin-Lopez
Massive algal proliferations known as Harmful Algal Blooms (HABs) represent one of the most important threats to coastal areas. Among them, the so-called Florida Red Tides (FRTs, caused by blooms of the dinoflagellate Karenia brevis and associated brevetoxins) are particularly detrimental in the southeastern U.S., causing high mortality rates and annual losses in excess of $40 million. The ability of marine organisms to cope with environmental stressors (including those produced during HABs) is influenced by genetic and epigenetic mechanisms, the latter resulting in phenotypic changes caused by heritable modifications in gene expression, without involving changes in the genetic (DNA) sequence...
March 7, 2017: Aquatic Toxicology
https://www.readbyqxmd.com/read/28306592/bridging-the-gap-in-heart-transplantation
#14
Jacqueline M Smits, Undine Samuel, Guenther Laufer
PURPOSE OF REVIEW: Countries in Europe and in the USA are proclaiming their need for an objective allocation system that can cope with distribution of a scarce resource in a changing environment of an older donor and recipient population and of an increased number of patients on mechanical circulatory support, whose prospects are increasing. RECENT FINDINGS: The current heart allocation systems in Eurotransplant, France and the USA are all urgency tier systems, where within the same tier a first-come, first-served principle is applied...
March 16, 2017: Current Opinion in Organ Transplantation
https://www.readbyqxmd.com/read/28304312/cognitive-rehabilitation-in-alzheimer-s-disease-a-controlled-intervention-trial
#15
Katharina Brueggen, Elisabeth Kasper, Sina Ochmann, Henrike Pfaff, Steffi Webel, Wolfgang Schneider, Stefan Teipel
BACKGROUND: Cognitive Rehabilitation for Alzheimer's disease (AD) is an integrative multimodal intervention. It aims to maintain autonomy and quality of life by enhancing the patients' abilities to compensate for decreased cognitive functioning. OBJECTIVE: We evaluated the feasibility of a group-based Cognitive Rehabilitation approach in mild AD dementia and assessed its effect on activities of daily living (ADL). METHODS: We included 16 patients with AD dementia in a controlled partial-randomized design...
March 18, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28303955/differential-proteomic-analysis-by-itraq-reveals-the-mechanism-of-pyropia-haitanensis-responding-to-high-temperature-stress
#16
Jianzhi Shi, Yuting Chen, Yan Xu, Dehua Ji, Changsheng Chen, Chaotian Xie
Global warming increases sea temperature and leads to high temperature stress, which affects the yield and quality of Pyropia haitanensis. To understand the molecular mechanisms underlying high temperature stress in a high temperature tolerance strain Z-61, the iTRAQ technique was employed to reveal the global proteomic response of Z-61 under different durations of high temperature stress. We identified 151 differentially expressed proteins and classified them into 11 functional categories. The 4 major categories of these are protein synthesis and degradation, photosynthesis, defense response, and energy and carbohydrate metabolism...
March 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28302867/an-early-life-hypoxia-event-has-a-long-term-impact-on-protein-digestion-and-growth-in-european-sea-bass-juvenile
#17
José L Zambonino-Infante, David Mazurais, A Servili, C Cahu, G Vanderplancke, N Le Bayon, C Huelvan, Guy Claireaux
Ocean warming, eutrophication and consequent decrease in oxygen lead to smaller average fish size. Although such responses are well-known in an evolutionary context, involving multiple generations, it appears to be incompatible with current rapid environmental change. Rather, phenotypic plasticity could provide a means for marine fish to cope with rapid environmental changes. However, little is known about the mechanisms underlying plastic responses to environmental conditions that favour small phenotypes.Our aim was to investigate how and why European sea bass that had experienced a short episode of moderate hypoxia during their larval stage subsequently exhibited a growth depression at the juvenile stage compared to the control group...
March 16, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28300110/the-plant-perceptron-connects-environment-to-development
#18
Ben Scheres, Wim H van der Putten
Plants cope with the environment in a variety of ways, and ecological analyses attempt to capture this through life-history strategies or trait-based categorization. These approaches are limited because they treat the trade-off mechanisms that underlie plant responses as a black box. Approaches that involve the molecular or physiological analysis of plant responses to the environment have elucidated intricate connections between developmental and environmental signals, but in only a few well-studied model species...
March 15, 2017: Nature
https://www.readbyqxmd.com/read/28299749/osmotic-stress-in-colony-and-planktonic-cells-of-pseudomonas-putida-mt-2-revealed-significant-differences-in-adaptive-response-mechanisms
#19
Nancy Hachicho, Astrid Birnbaum, Hermann J Heipieper
Planktonic cells and those grown on surfaces (or as colony biofilm) are known to show significant differences regarding growth behavior, cell physiology, gene expression and stress tolerance. In order to compare stress behavior of different growth forms, shake cultures for planktonic growth and agar plate cultivation for colony growth, were carried out with the well investigated model organism, Pseudomonas putida mt-2. Cells were exposed to sodium chloride to cause osmotic stress as one main environmental stressor bacteria have to cope with when growing in soil...
December 2017: AMB Express
https://www.readbyqxmd.com/read/28295611/variation-in-networks-and-forms-of-support-for-care-seeking-across-the-hiv-care-continuum-in-the-rural-southeastern-united-states
#20
Miranda Hill, Amber Huff, Neale Chumbler
PURPOSE: In spite of progress in understanding the importance of social support for health outcomes in Persons Living with HIV (PLWH), more remains to be known about mechanisms of support most beneficial at each stage of HIV treatment. In this study, we use a qualitative analytic approach to investigate the forms and sources of social support deemed most integral to the diagnosis, care engagement, and medication adherence behaviors of a diverse sample of PLWH in a mostly rural health district in the Southeastern United States...
March 14, 2017: Journal of Rural Health
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