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https://www.readbyqxmd.com/read/28732401/can-brook-trout-survive-climate-change-in-large-rivers-if-it-rains
#1
Eric R Merriam, Rodrigo Fernandez, J Todd Petty, Nicolas Zegre
We provide an assessment of thermal characteristics and climate change vulnerability for brook trout (Salvelinus fontinalis) habitats in the upper Shavers Fork sub-watershed, West Virginia. Spatial and temporal (2001-2015) variability in observed summer (6/1-8/31) stream temperatures was quantified in 23 (9 tributary, 14 main-stem) reaches. We developed a mixed effects model to predict site-specific mean daily stream temperature from air temperature and discharge and coupled this model with a hydrologic model to predict future (2016-2100) changes in stream temperature under low (RCP 4...
July 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28732386/a-phase-i-trial-of-nk-92-cells-for-refractory-hematological-malignancies-relapsing-after-autologous-hematopoietic-cell-transplantation-shows-safety-and-evidence-of-efficacy
#2
Brent A Williams, Arjun Datt Law, Bertrand Routy, Neal denHollander, Vikas Gupta, Xing-Hua Wang, Amélie Chaboureau, Sowmya Viswanathan, Armand Keating
BACKGROUND: Autologous NK cell therapy can treat a variety of malignancies, but is limited by patient-specific variations in potency and cell number expansion. In contrast, allogeneic NK cell lines can overcome many of these limitations. Cells from the permanent NK-92 line are constitutively activated, lack inhibitory receptors and appear to be safe based on two prior phase I trials. MATERIALS AND METHODS: We conducted a single-center, non-randomized, non-blinded, open-label, Phase I dose-escalation trial of irradiated NK-92 cells in adults with refractory hematological malignancies who relapsed after autologous hematopoietic cell transplantation (AHCT)...
July 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/28732263/proteomic-analysis-of-naturally-occurring-boron-tolerant-plant-gypsophila-sphaerocephala-l-in-response-to-high-boron-concentration
#3
Huseyin Tombuloglu, Guzin Tombuloglu, Mehmet Serdal Sakcali, Ali Turkan, Khalid Rehman Hakeem, Hesham F Alharby, Shah Fahd, Waseem Mohammed Abdul
Gypsophila sphaerocephala is a naturally Boron (B) tolerant species that can grow around the B mining areas in Turkey, where the B concentration in soil reaches a lethal dose for plants (up to ∼8900mgkg(-1) (∼140mM). While its interesting survival capacity in extremely B containing soils, any molecular research has been conducted to understand its high tolerance mechanism yet. In the present study, we have performed a proteomic analysis of this plant to understand its high tolerance towards B-stress. Seedlings of G...
July 4, 2017: Journal of Plant Physiology
https://www.readbyqxmd.com/read/28732175/genome-wide-identification-functional-prediction-and-evolutionary-analysis-of-r2r3-myb-superfamily-in-brassica-napus
#4
Ali Hajiebrahimi, Hajar Owji, Shiva Hemmati
R2R3-MYBs are important transcription factors (TFs) in planta, involved in development and various stress conditions. Phylogenetic analysis showed the presence of 249 R2R3-MYB TFs in Brassica napus called BnaR2R3-MYBs, clustered into 38 clades. BnaR2R3-MYBs were distributed on 19 chromosomes of B. napus. Sixteen gene clusters were identified. BnaR2R3-MYBs were characterized by motif prediction, gene structure analysis and gene ontology. Evolutionary analysis revealed that BnaR2R3-MYBs are mainly formed as a result of whole genome duplication...
July 21, 2017: Genome Génome / Conseil National de Recherches Canada
https://www.readbyqxmd.com/read/28732157/large-scale-statistics-for-threshold-optimization-of-optically-pumped-nanowire-lasers
#5
Juan Arturo Alanis, Dhruv Saxena, Sudha Mokkapati, Nian Jiang, Kun Peng, Xiaoyan Tang, Lan Fu, Hark Hoe Tan, Chennupati Jagadish, Patrick Parkinson
Single nanowire lasers based on bottom-up III-V materials have been shown to exhibit room-temperature near-infrared lasing, making them highly promising for use as nanoscale, silicon-integrable and coherent light sources. While lasing behavior is reproducible, small variations in growth conditions across a substrate arising from the use of bottom-up growth techniques can introduce inter-wire disorder, either through geometric or material inhomogeneity. Nanolasers critically depend on both high material quality and tight dimensional tolerances, and as such, lasing threshold is both sensitive to, and a sensitive probe of such inhomogeneity...
July 21, 2017: Nano Letters
https://www.readbyqxmd.com/read/28732117/identification-by-phenotypic-and-genetic-approaches-of-an-indigenous-saccharomyces-cerevisiae-wine-strain-with-high-desiccation-tolerance
#6
Marianna Zambuto, Rossana Romaniello, Nicoletta Guaragnella, Patrizia Romano, Sonia Votta, Angela Capece
During active dry yeast (ADY) production process, cells are exposed to multiple stresses, such as thermal, oxidative and hyperosmotic shock. Previously, by analyzing cells in exponential growth phase, we selected an indigenous Saccharomyces cerevisiae wine strain, namely CD-6Sc, for its higher tolerance to desiccation and higher expression of specific desiccation stress-related genes in comparison to other yeast strains. In this study, we performed a desiccation treatment on stationary phase cells by comparing the efficacy of two different methods: a "laboratory dry test" in a small-scale (mild stress) and a treatment by spray-drying (severe stress), one of the most appropriate preservation method for yeasts and other micro-organisms...
July 21, 2017: Yeast
https://www.readbyqxmd.com/read/28732018/carboplatin-with-intravenous-and-subsequent-oral-administration-of-vinorelbine-in-resected-non-small-cell-lung-cancer-in-real-world-set-up
#7
Vítězslav Kolek, Ivona Grygárková, Leona Koubková, Jana Skřičková, Jiřina Švecová, Dimka Sixtová, Jiří Bartoš, Aleš Tichopád
OBJECTIVES: Adjuvant cisplatin-based chemotherapy is recommended for routine use in patients with Stage IIA, IIB or IIIA non-small cell lung cancer (NSCLC) after complete resection. Results obtained for Stage IB were not conclusive. While vinorelbine plus cisplatin is the preferred choice after resection, combining vinorelbine with carboplatin promises improved compliance and delivery of drugs due to lower toxicity. We evaluated the impact of this option on treatment compliance and survival under real-world conditions...
2017: PloS One
https://www.readbyqxmd.com/read/28731797/quantitative-genetic-variation-in-and-environmental-effects-on-pathogen-resistance-and-temperature-dependent-disease-severity-in-a-wild-trout
#8
Paul Vincent Debes, Riho Gross, Anti Vasemägi
Health after pathogen contact varies among individuals because of differences in pathogen load (which is limited by resistance) and disease severity in response to pathogen load (which is limited by tolerance). To understand pathogen-induced host evolution, it is critical to know not only the relative contributions of nongenetic and genetic variation to resistance and tolerance but also how they change environmentally. We quantified nongenetic and genetic variation in parasite load and the associated temperature-dependent disease among trout siblings from two rivers...
August 2017: American Naturalist
https://www.readbyqxmd.com/read/28731584/insulin-secretion-and-action-in-north-indian-women-during-pregnancy
#9
G P Arora, P Almgren, R G Thaman, A Pal, L Groop, A Vaag, R B Prasad, C Brøns
AIM: The relative roles(s) of impaired insulin secretion vs. insulin resistance in the development of gestational diabetes mellitus depend upon multiple risk factors and diagnostic criteria. Here, we explored their relative contribution to gestational diabetes as defined by the WHO 1999 (GDM1999) and adapted WHO 2013 (GDM2013) criteria, excluding the 1-h glucose value, in a high-risk Indian population from Punjab. METHODS: Insulin secretion (HOMA2-B) and insulin action (HOMA2-IR) were assessed in 4665 Indian women with or without gestational diabetes defined by the GDM1999 or adapted GDM2013 criteria...
July 21, 2017: Diabetic Medicine: a Journal of the British Diabetic Association
https://www.readbyqxmd.com/read/28731546/stereoselective-synthesis-of-piperidines-via-iridium-catalyzed-cyclocondensation
#10
Erick Moran Carreira, Tobias Sandmeier, Simon Krautwald
Iridium-catalyzed cyclocondensation of amino alcohols and aldehydes is reported. Intramolecular allylic substitution by an enamine intermediate and subsequent in situ reduction furnishes 3,4-disubstituted piperidines with high enantiospecificity and good diastereoselectivity. The modular approach and the broad functional group tolerance give access to diverse piperidine derivatives, which are further functionalized to give a versatile set of products.
July 21, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28731405/pro-death-nmda-receptor-signaling-is-promoted-by-the-glun2b-c-terminus-independently-of-dapk1
#11
Jamie McQueen, Tomas J Ryan, Sean McKay, Katie Fm Marwick, Paul E Baxter, Sarah M Carpanini, Thomas M Wishart, Thomas H Gillingwater, Jean C Manson, David Ja Wyllie, Seth Gn Grant, Barry McColl, Noboru Komiyama, Giles E Hardingham
Aberrant NMDA receptor (NMDAR) activity contributes to several neurological disorders, but direct antagonism is poorly tolerated therapeutically. The GluN2B cytoplasmic C-terminal domain (CTD) represents an alternative therapeutic target since it potentiates excitotoxic signaling. The key GluN2B CTD-centred event in excitotoxicity is proposed to involve its phosphorylation at Ser-1303 by DAPK1, that is blocked by a neuroprotective cell-permeable peptide mimetic of the region. Contrary to this model, we find that excitotoxicity can proceed without increased Ser-1303 phosphorylation, and is unaffected by DAPK1 deficiency in vitro or following ischemia in vivo...
July 21, 2017: ELife
https://www.readbyqxmd.com/read/28731217/small-rnas-in-regulating-temperature-stress-response-in-plants
#12
Qing Liu, Shijuan Yan, Tifeng Yang, Shaohong Zhang, Yue-Qin Chen, Bin Liu
Due to global climate change, temperature stress has become one of the primary causes of crop losses worldwide. Much progress has been made in unraveling the complex stress response mechanisms in plants, particularly in the identification of temperature stress responsive protein-coding genes. Recently discovered microRNAs (miRNAs) and endogenous small-interfering RNAs (siRNAs) have also been demonstrated as important players in plant temperature stress response. Using high-throughput sequencing, many small RNAs, especially miRNAs, have been identified to be triggered by cold or heat...
July 21, 2017: Journal of Integrative Plant Biology
https://www.readbyqxmd.com/read/28730851/agomelatine-for-the-treatment-of-generalized-anxiety-disorder
#13
Massimiliano Buoli, Silvia Grassi, Marta Serati, A Carlo Altamura
Agomelatine is a melatonergic antidepressant, approved for the treatment of Major Depressive Disorder (MDD) in Europe and Australia, but not in the United States. This compound seems to be promising in the short-term and maintenance treatment of Generalized Anxiety Disorder (GAD). Areas covered: This paper presents an evaluation of the available data about the clinical efficacy and tolerability of agomelatine in the treatment of GAD. Expert opinion: First-line GAD treatments are limited by high rates of lack of clinical response...
July 21, 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/28730728/beneficial-long-term-antidiabetic-actions-of-n-and-c-terminally-modified-analogues-of-apelin-13-in-diet-induced-obese-diabetic-mice
#14
V Parthsarathy, C Hogg, P R Flatt, F P M O'Harte
AIMS: This study investigated the chronic effects of twice daily administration of stable apelin analogues, apelin-13 amide and (pGlu)apelin-13 amide, on metabolic parameters in glucose intolerant and insulin resistant diet-induced obese (DIO) mice fed a high-fat diet for 150 days. STUDY DESIGN & METHODS: Groups of mice received twice daily (09:00 and 17:00 h) injections of saline vehicle, apelin-13 amide, (pGlu)apelin-13 amide or exendin-4(1-39) for 28 days (all at 25 nmol/kg)...
July 20, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28730636/the-reduction-in-maize-leaf-growth-under-mild-drought-affects-the-transition-between-cell-division-and-cell-expansion-and-cannot-be-restored-by-elevated-gibberellic-acid-levels
#15
Hilde Nelissen, Xiao-Huan Sun, Bart Rymen, Yusuke Jikumaru, Mikko Kojima, Yumiko Takebayashi, Rafael Abbeloos, Kirin Demuynck, Veronique Storme, Marnik Vuylsteke, Jolien De Block, Dorota Herman, Frederik Coppens, Steven Maere, Yuji Kamiya, Hitoshi Sakakibara, Gerrit T S Beemster, Dirk Inzé
Growth is characterized by the interplay between cell division and cell expansion, two processes that occur separated along the growth zone at the maize leaf. To gain further insight into the transition between cell division and cell expansion, conditions were investigated in which the position of this transition zone was positively or negatively affected. High levels of gibberellic acid (GA) in plants overexpressing the GA biosynthesis gene GA20-OXIDASE (GA20OX-1(OE) ) shifted the transition zone more distally, whereas mild drought, which is associated with lowered GA biosynthesis, resulted in a more basal positioning...
July 21, 2017: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/28730463/exploring-new-alleles-for-frost-tolerance-in-winter-rye
#16
Wiltrud Erath, Eva Bauer, D Brian Fowler, Andres Gordillo, Viktor Korzun, Mira Ponomareva, Malthe Schmidt, Brigitta Schmiedchen, Peer Wilde, Chris-Carolin Schön
Rye genetic resources provide a valuable source of new alleles for the improvement of frost tolerance in rye breeding programs. Frost tolerance is a must-have trait for winter cereal production in northern and continental cropping areas. Genetic resources should harbor promising alleles for the improvement of frost tolerance of winter rye elite lines. For frost tolerance breeding, the identification of quantitative trait loci (QTL) and the choice of optimum genome-based selection methods are essential. We identified genomic regions involved in frost tolerance of winter rye by QTL mapping in a biparental population derived from a highly frost tolerant selection from the Canadian cultivar Puma and the European elite line Lo157...
July 20, 2017: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/28730413/updating-the-elite-rice-variety-kongyu-131-by-improving-the-gn1a-locus
#17
Xiaomin Feng, Chen Wang, Jianzong Nan, Xiaohui Zhang, Rongsheng Wang, Guoqiang Jiang, Qingbo Yuan, Shaoyang Lin
BACKGROUND: Kongyu 131 is an elite japonica rice variety of Heilongjiang Province, China. It has the characteristics of early maturity, superior quality, high yield, cold tolerance and wide adaptability. However, there is potential to improve the yield of Kongyu 131 because of the relatively few grains per panicle compared with other varieties. Hence, we rebuilt the genome of Kongyu 131 by replacing the GRAIN NUMBER1a (Gn1a) locus with a high-yielding allele from a big panicle indica rice variety, GKBR...
December 2017: Rice
https://www.readbyqxmd.com/read/28730366/to-coil-or-not-to-coil-application-practices-perception-and-efficacy-of-mosquito-coils-in-a-malaria-endemic-community-in-ghana
#18
Silas W Avicor, Mustafa F F Wajidi, Ebenezer O Owusu
Although evidence of mosquito coils' impact on disease epidemiology is limited, they are popularized as mosquito-borne disease prevention devices. Their usage affects the environment, human and mosquito health. This study investigated the perception, usage pattern and efficacy of coils in a predominantly poor malaria-endemic Ghanaian peri-urban area. Information on protection methods, perception and usage pattern was garnered using questionnaires. The efficacy of commonly used coils in the area was then assessed on the malaria vector, Anopheles gambiae, in a glass chamber...
July 20, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28730324/the-role-of-ndgr-in-glycerol-metabolism-in-streptomyces-coelicolor
#19
Bo-Rahm Lee, Shashi Kant Bhatia, Hun-Suk Song, Junyoung Kim, Wooseong Kim, Hyung-Yeon Park, Jeong-Jun Yoon, Sung-Hee Park, Daehee Hwang, Byung-Gee Kim, Yung-Hun Yang
Streptomyces, which produces many pharmaceutical antibiotics and anticancer agents, is a genus of soil-dwelling bacteria with numerous regulators that control both primary and secondary metabolism. NdgR is highly conserved in Streptomyces spp. and is known to be involved in antibiotic production, tolerance against shock and physical stress, nitrogen metabolism, leucine metabolism, and N-acetylglucosamine metabolism. As another function of NdgR, we report the involvement of NdgR in glycerol metabolism in S. coelicolor...
July 20, 2017: Bioprocess and Biosystems Engineering
https://www.readbyqxmd.com/read/28730290/a-phase-i-study-to-investigate-the-metabolism-excretion-and-pharmacokinetics-of-14-c-fruquintinib-a-novel-oral-selective-vegfr-inhibitor-in-healthy-chinese-male-volunteers
#20
Sufeng Zhou, Feng Shao, Zhaoqiang Xu, Lu Wang, Ke Jin, Lijun Xie, Juan Chen, Yun Liu, Hongwen Zhang, Ning Ou
PURPOSE: Fruquintinib (HMPL-013) is a novel, potent, and highly selective tyrosine kinase inhibitor targeting the vascular endothelial growth factor receptors (1, 2 and 3). This study was conducted to investigate the metabolism, excretion, and pharmacokinetics of HMPL-013 after a single oral dose to healthy Chinese men. METHODS: Six subjects were administrated an oral suspension containing 5 mg of (14)C-labeled HMPL-013 (100 μCi) in a fasted state. Blood and excreta samples were collected at the designated time points or intervals for pharmacokinetics and radiometric analyses...
July 20, 2017: Cancer Chemotherapy and Pharmacology
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