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https://www.readbyqxmd.com/read/28743172/modelling-nutritional-mutualisms-challenges-and-opportunities-for-data-integration
#1
REVIEW
Teresa J Clark, Colleen A Friel, Emily Grman, Yair Shachar-Hill, Maren L Friesen
Nutritional mutualisms are ancient, widespread, and profoundly influential in biological communities and ecosystems. Although much is known about these interactions, comprehensive answers to fundamental questions, such as how resource availability and structured interactions influence mutualism persistence, are still lacking. Mathematical modelling of nutritional mutualisms has great potential to facilitate the search for comprehensive answers to these and other fundamental questions by connecting the physiological and genomic underpinnings of mutualisms with ecological and evolutionary processes...
July 25, 2017: Ecology Letters
https://www.readbyqxmd.com/read/28743153/-how-much-alarm-can-the-human-being-tolerate
#2
Benedikt Lorenz, Jürgen Peters, Ulrich H Frey
Due to growing technisation of intensive care the number of devices with integrated alarm systems is steadily increasing. However, most of the sounding alarms are false alarms causing high levels of frustration, aggression and inappropriate behaviour amongst the medical personnel. All this jeopardises patient care. The high number of alarms also disturb the patients interrupting their sleep and provokes anxiety, and also increases the already high noise level in intensive care units and the operating theatre alike...
July 2017: Anästhesiologie, Intensivmedizin, Notfallmedizin, Schmerztherapie: AINS
https://www.readbyqxmd.com/read/28743122/utility-of-transbronchial-lung-cryobiopsy-in-non-interstitial-diseases
#3
Olivia Sánchez-Cabral, Dina Martínez-Mendoza, Sebastián Fernandez-Bussy, Berenice López-González, Carolina Perea-Talamantes, Rosa María Rivera-Rosales, César Luna-Rivero, José Arturo Martínez-Orozco, Luis Felipe Flores-Suárez, Patricio Santillán-Doherty, Gustavo Reyes-Terán
BACKGROUND: Transbronchial lung cryobiopsy (TLCB), performed with a flexible cryoprobe, is an interventional pulmonology procedure that has proved its diagnostic value for interstitial pulmonary disease. However, it has not been explored extensively as a diagnostic tool for patients with non-interstitial lung pathology, including infectious and malignant diseases. OBJECTIVE: To evaluate the diagnostic yield and safety of an interventional pulmonology approach that integrates TLCB and bronchoalveolar lavage (BAL) for the diagnosis of non-interstitial pulmonary disease...
July 26, 2017: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/28743093/development-of-a-statistical-oil-spill-model-for-risk-assessment
#4
Weijun Guo
To gain a better understanding of the impacts from potential risk sources, we developed an oil spill model using probabilistic method, which simulates numerous oil spill trajectories under varying environmental conditions. The statistical results were quantified from hypothetical oil spills under multiple scenarios, including area affected probability, mean oil slick thickness, and duration of water surface exposed to floating oil. The three sub-indices together with marine area vulnerability are merged to compute the composite index, characterizing the spatial distribution of risk degree...
July 22, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28743084/graphene-oxide-gold-nanorods-based-multiple-assisted-electrochemiluminescence-signal-amplification-strategy-for-sensitive-detection-of-prostate-specific-antigen
#5
Jun-Tao Cao, Jiu-Jun Yang, Li-Zhen Zhao, Yu-Ling Wang, Hui Wang, Yan-Ming Liu, Shu-Hui Ma
A novel and competitive electrochemiluminescence (ECL) aptasensor for prostate specific antigen (PSA) assay was constructed using gold nanorods functionalized graphene oxide (GO@AuNRs) multilabeled with glucose oxidase (GOD) and streptavidin (SA) toward luminol-based ECL system. A strong initial ECL signal was achieved by electrodeposited gold (DpAu) on the electrode because of gold nanoparticles (AuNPs) motivating the luminol ECL signal. The signal probes prepared by loading GOD and SA-biotin-DNA on GO@AuNRs were used for achieving multiple signal amplification...
July 20, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28743075/preference-of-arabidopsis-thaliana-gh3-5-acyl-amido-synthetase-for-growth-versus-defense-hormone-acyl-substrates-is-dictated-by-concentration-of-amino-acid-substrate-aspartate
#6
Rebecca Mackelprang, Rachel A Okrent, Mary C Wildermuth
The GH3 family of adenylating enzymes conjugate acyl substrates such as the growth hormone indole-3-acetic acid (IAA) to amino acids via a two-step reaction of acyl substrate adenylation followed by amino acid conjugation. Arabidopsis thaliana GH3.5 was previously shown to be unusual in that it could adenylate both IAA and the defense hormone salicylic acid (SA, 2-hydroxybenzoate). Our detailed studies of the kinetics of GH3.5 on a variety of auxin and benzoate substrates provides insight into the acyl preference and reaction mechanism of GH3...
July 22, 2017: Phytochemistry
https://www.readbyqxmd.com/read/28743044/electrophysiological-and-gene-expression-characterization-of-the-ontogeny-of-nestin-expressing-cells-in-the-adult-mouse-midbrain
#7
Anupama Dey, Parisa Farzanehfar, Elena V Gazina, Tim D Aumann
The birth of new neurons, or neurogenesis, in the adult midbrain is important for progressing dopamine cell-replacement therapies for Parkinson's disease. Most studies suggest newborn cells remain undifferentiated or differentiate into glia within the adult midbrain. However, some studies suggest nestin+neural precursor cells (NPCs) have a propensity to generate new neurons here. We sought to confirm this by administering tamoxifen to adult NesCreER(T2)/R26eYFP transgenic mice, which permanently labelled adult nestin-expressing cells and their progeny with enhanced yellow fluorescent protein (eYFP)...
July 4, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/28743023/principles-of-transgenerational-small-rna-inheritance-in-caenorhabditis-elegans
#8
REVIEW
Oded Rechavi, Itamar Lev
Examples of transgenerational inheritance of environmental responses are rapidly accumulating. In Caenorhabditis elegans nematodes, such heritable information transmits across generations in the form of RNA-dependent RNA polymerase-amplified small RNAs. Regulatory small RNAs enable sequence-specific gene regulation, and unlike chromatin modifications, can move between tissues, and escape from immediate germline reprogramming. In this review, we discuss the path that small RNAs take from the soma to the germline, and elaborate on the mechanisms that maintain or erase parental small RNA responses after a specific number of generations...
July 24, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28743011/posterior-parietal-cortex
#9
Jonathan R Whitlock
The posterior parietal cortex, along with temporal and prefrontal cortices, is one of the three major associative regions in the cortex of the mammalian brain. It is situated between the visual cortex at the caudal pole of the brain and the somatosensory cortex just behind the central sulcus. Technically, any cortex covered by the parietal bone is referred to as 'parietal cortex', but the posterior sector, formally referred to as posterior parietal cortex, is indeed its own functional section of cortex, consisting of Brodmann's areas 5, 7, 39, and 40 in humans, areas 5 and 7 in macaques, and area 7 in rodents (Figure 1)...
July 24, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28743006/restoring-low-input-high-diversity-grasslands-as-a-potential-global-resource-for-biofuels
#10
Brian Machovina, Kenneth J Feeley
Reducing meat consumption by humans and shifting to more efficient plant and animal protein sources could potentially free up large areas of pasture and feedcrop agricultural land for restoration or conversion to low-input high-diversity (LIHD) grasslands. LIHD grasslands improve biodiversity, carbon sequestration, erosion control, water storage, while also providing opportunities to produce biofuels. We examined the potential of converting pastures globally, and animal feedstock agricultural lands in the USA and Brazil, to LIHD biomass sources and the capacity of these systems to meet national energy demands via (1) cellulosic ethanol and (2) integrated gasification and combined cycle technology with Fischer-Tropsch hydrocarbon synthesis (IGCC-FT) processing...
July 22, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28743002/drosophila-histone-demethylase-kdm4a-has-enzymatic-and-non-enzymatic-roles-in-controlling-heterochromatin-integrity
#11
Serafin U Colmenares, Joel M Swenson, Sasha A Langley, Cameron Kennedy, Sylvain V Costes, Gary H Karpen
Eukaryotic genomes are broadly divided between gene-rich euchromatin and the highly repetitive heterochromatin domain, which is enriched for proteins critical for genome stability and transcriptional silencing. This study shows that Drosophila KDM4A (dKDM4A), previously characterized as a euchromatic histone H3 K36 demethylase and transcriptional regulator, predominantly localizes to heterochromatin and regulates heterochromatin position-effect variegation (PEV), organization of repetitive DNAs, and DNA repair...
July 24, 2017: Developmental Cell
https://www.readbyqxmd.com/read/28742997/abl-to-integrate-opposing-cellular-growth-signals
#12
Dietmar Schmucker
Growth factor signaling has long been known to stimulate cellular growth and motility. That it might also directly promote repulsive signaling, however, is a surprising finding reported by Yoon et al. (2017) in this issue of Developmental Cell.
July 24, 2017: Developmental Cell
https://www.readbyqxmd.com/read/28742986/adsorption-of-mesitylene-via-mesoporous-adsorbents
#13
Kai Chun Nien, Feng Tang Chang, Moo Been Chang
Mesitylene (or 1,3,5-trimethylbenzene) is a volatile organic compound emitted from various industrial processes, e.g., spray coating. Its emissions have become a critical issue because mesitylene is toxic and cannot be removed using traditional adsorbents, e.g., zeolite (H-ZSM-5; the diameter of mesitylene molecules is greater than the pore size of H-ZSM-5). Hence, an adsorbent with a large pore size, MCM-41, is used in this study to investigate its adsorption capacity for mesitylene and is compared with that of H-ZSM-5...
July 25, 2017: Journal of the Air & Waste Management Association
https://www.readbyqxmd.com/read/28742982/investigation-of-orthologous-pathogen-recognition-gene-rich-regions-in-solanaceous-species
#14
A Di Donato, Giuseppe Andolfo, A Ferrarini, M Delledonne, M R Ercolano
The genome architecture of pathogen receptor genes (PRGs) was extensively investigated in several plant species. However, we still know little about their elaborate reorganization arose during the plant speciation process. Using recently released pepper and eggplant genome sequences we were able to identify 1097 pathogen recognition genes in pepper Zunla-1 and 775 in eggplant Nakate-Shinkuro. The retrieved genes were analysed for their tendency to cluster, using different methods to infer the means of grouping...
July 25, 2017: Genome Génome / Conseil National de Recherches Canada
https://www.readbyqxmd.com/read/28742932/a-pilot-randomized-clinical-trial-testing-integrated-twelve-step-facilitation-itsf-treatment-for-adolescent-substance-use-disorder
#15
John F Kelly, Yifrah Kaminer, Christopher W Kahler, Bettina Hoeppner, Julie Yeterian, Julie V Cristello, Christine Timko
BACKGROUND AND AIMS: Integration of 12-step philosophy and practices is common in adolescent substance use disorder (SUD) treatment programs, particularly in North America. However, although numerous experimental studies have tested 12-step facilitation (TSF) treatments among adults, no studies have tested TSF-specific treatments for adolescents. We tested the efficacy of a novel integrated TSF. DESIGN: Explanatory, parallel-group, randomized clinical trial comparing 10 sessions of either motivational enhancement therapy/cognitive-behavioral therapy (MET/CBT; n=30) or a novel integrated TSF (iTSF; n=29) with follow-up assessments at 3-, 6-, and 9-months following treatment entry...
July 25, 2017: Addiction
https://www.readbyqxmd.com/read/28742856/fit-for-genomic-and-proteomic-purposes-sampling-the-fitness-of-nucleic-acid-and-protein-derivatives-from-formalin-fixed-paraffin-embedded-tissue
#16
Anna Yakovleva, Jordan L Plieskatt, Sarah Jensen, Razan Humeida, Jonathan Lang, Guangzhao Li, Paige Bracci, Sylvia Silver, Jeffrey Michael Bethony
The demand for nucleic acid and protein derivatives from formalin-fixed paraffin-embedded (FFPE) tissue has greatly increased due to advances in extraction and purification methods, making these derivatives available for numerous genomic and proteomic platforms. Previously, DNA, RNA, microRNA (miRNA), or protein derived from FFPE tissue blocks were considered "unfit" for such platforms, as the process of tissue immobilization by FFPE resulted in cross-linked, fragmented, and chemically modified macromolecules...
2017: PloS One
https://www.readbyqxmd.com/read/28742851/knowledge-attitude-and-practice-for-cervical-cancer-prevention-and-control-among-women-of-childbearing-age-in-hossana-town-hadiya-zone-southern-ethiopia-community-based-cross-sectional-study
#17
Yitagesu Habtu Aweke, Samuel Yohannes Ayanto, Tariku Laelago Ersado
BACKGROUND: Cervical cancer is the second most common female cancer which Ethiopia put a strategic goal to reduce its incidence and mortality by 2020. Lack of knowledge and poor attitude towards the disease and risk factors can affect screening practice and development of preventive behavior for cervical cancer. The aim of this study was to assess knowledge, attitude, practices and factors for each domain for cervical cancer among women of child bearing age in Hossana town, Southern, Ethiopia...
2017: PloS One
https://www.readbyqxmd.com/read/28742820/facilitators-and-barriers-to-physical-activity-in-people-with-chronic-low-back-pain-a-qualitative-study
#18
Laura Boutevillain, Arnaud Dupeyron, Caroline Rouch, Emilie Richard, Emmanuel Coudeyre
BACKGROUND: For medical teams, one of the main objectives of rehabilitation for people with chronic low back pain is adherence to physical activity (PA). OBJECTIVE: The objective of this study was to identify PA barriers and facilitators in this population. METHODS: This qualitative study included 4 discussion groups and 16 semi-structured interviews conducted among people with non-specific chronic low back pain who were involved in a specific rehabilitation program or seen in primary care settings...
2017: PloS One
https://www.readbyqxmd.com/read/28742804/beyond-upgrading-typologies-in-search-of-a-better-deal-for-honey-value-chains-in-brazil
#19
Hugo S de Figueiredo Junior, Miranda P M Meuwissen, Ivo A van der Lans, Alfons G J M Oude Lansink
Selection of value chain strategies by development practitioners and value chain participants themselves has been restricted to preset types of upgrading. This paper argues for an extension of the range of strategy solutions to value chains. An empirical application identifies successful strategies for honey value chains in Brazil for 2015-2020. Strategy and performance indicators were selected using the value chain Structure-Conduct-Performance (SCP) framework. Experts' opinion was elicited in a Delphi for business scenarios, and adaptive conjoint analysis was used to identify strategies for increasing production growth and local value-added...
2017: PloS One
https://www.readbyqxmd.com/read/28742770/role-of-the-perioperative-surgical-home-in-optimizing-the-perioperative-use-of-opioids
#20
Thomas R Vetter, Zeev N Kain
Several federal agencies have recently noted that the United States is in the midst of an unprecedented "opioid epidemic," with an increasing number of opioid-related overdoses and deaths. Providers currently face 3 population-level, public health challenges in providing optimal perioperative pain care: (1) the continued lack of overall improvement in the excessive incidence of inadequately treated postoperative pain, (2) minimizing or preventing postoperative opioid-related side effects, and (3) addressing current opioid prescribing patterns, and the accompanying problematic surge in prescription opioid diversion, misuse, abuse, addiction, and overdose...
July 24, 2017: Anesthesia and Analgesia
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