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https://www.readbyqxmd.com/read/27905621/-parechovirus-as-etiologic-agent-of-meningitis-and-or-sepsis-like-illness-in-infants
#1
Valentina Gutiérrez, Constanza Martínez-Valdebenito, Luisa Montecinos, Romina Alarcón, Constanza Gárate, Marcela Ferrés
INTRODUCTION: Human parechovirus (HPeV) belongs to the Picornaviridae family and has been described in viral meningoencephalitis and sepsis like illness in infants. Until now, 16 genotypes have been recognized, the most common are HPEV 1, 2 and 3; type 3 is most severe. AIMS: To estimate the frequency of HPEV etiology in viral meningoencephalitis and sepsis in infants and characterize clinical and molecular aspects of infection. METHODS: Between October 2013 and March 2015 we collected CSF samples, plasma, nasopharyngeal swabs and/or stools of patients younger than two years with suspected sepsis and/or viral meningitis...
August 2016: Revista Chilena de Infectología: órgano Oficial de la Sociedad Chilena de Infectología
https://www.readbyqxmd.com/read/27903630/genetic-causes-of-phenotypic-adaptation-to-the-second-fermentation-of-sparkling-wines-in-saccharomyces-cerevisiae
#2
Maria Martí-Raga, Emilien Peltier, Albert Mas, Gemma Beltran, Philippe Marullo
Hybridization is known to improve complex traits due to heterosis and phenotypic robustness. However, these phenomena have been rarely explained at the molecular level. Here, the genetic determinism of Saccharomyces cerevisiae fermentation performance was investigated using a QTL-mapping approach on an F1-progeny population. Three main QTLs were detected, with positive alleles coming from both parental strains. The heterosis effect found in the hybrid was partially explained by three loci showing pseudo-overdominance and dominance effect...
November 30, 2016: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/27902793/snp-discovery-and-qtl-mapping-of-sclerotinia-basal-stalk-rot-resistance-in-sunflower-using-genotyping-by-sequencing
#3
Zahirul I Talukder, Gerald J Seiler, Qijian Song, Guojia Ma, Lili Qi
Basal stalk rot (BSR), caused by the ascomycete fungus (Lib.) de Bary, is a serious disease of sunflower ( L.) in the cool and humid production areas of the world. Quantitative trait loci (QTL) for BSR resistance were identified in a sunflower recombinant inbred line (RIL) population derived from the cross HA 441 × RHA 439. A genotyping-by-sequencing (GBS) approach was adapted to discover single nucleotide polymorphism (SNP) markers. A genetic linkage map was developed comprised of 1053 SNP markers on 17 linkage groups (LGs) spanning 1401...
November 2016: Plant Genome
https://www.readbyqxmd.com/read/27901221/anxiety-depression-resilience-and-self-esteem-in-individuals-with-cardiovascular-diseases
#4
Isabela Gonzales Carvalho, Eduarda Dos Santos Bertolli, Luciana Paiva, Lidia Aparecida Rossi, Rosana Aparecida Spadoti Dantas, Daniele Alcalá Pompeo
Objectives: to analyze the relationship between anxiety and depression symptoms, resilience and self-esteem with sociodemographic and clinical characteristics; correlate resilience and self-esteem with age and duration of the disease; check associations between anxiety and depression with measures of resilience and self-esteem among individuals with cardiovascular diseases. Method: correlational study conducted in a large university hospital in the interior of the state of São Paulo, Brazil...
November 28, 2016: Revista Latino-americana de Enfermagem
https://www.readbyqxmd.com/read/27901217/factors-associated-with-problematic-drug-use-among-psychiatric-outpatients
#5
Clarissa Mendonça Corradi-Webster, Edilaine Cristina da Silva Gherardi-Donato
Objective: to examine the factors associated with problematic drug use among psychiatric outpatients. Method: a cross-sectional study was carried out in two mental health services. Eligible individuals were patients of these mental health services, who used them within the data collection period. Instruments: standardized questionnaire with sociodemographic, social network, social harm, and clinical information; Alcohol, Smoking and Substance Involvement Screening Test; Barratt Impulsiveness Scale; Holmes and Rahe Stress Scale...
November 28, 2016: Revista Latino-americana de Enfermagem
https://www.readbyqxmd.com/read/27901104/development-and-evaluation-of-near-isogenic-lines-for-brown-planthopper-resistance-in-rice-cv-9311
#6
Cong Xiao, Jie Hu, Yi-Ting Ao, Ming-Xing Cheng, Guan-Jun Gao, Qing-Lu Zhang, Guang-Cun He, Yu-Qing He
Brown planthopper (BPH) is the most destructive pest of rice in Asia. To date 29 BPH resistance genes have been identified, but only a few genes are being used in breeding due to inefficient markers for marker-assisted selection (MAS) and little knowledge of the real effects of the genes. In this study we individually transferred 13 genes or QTLs (Bph14, QBph3, QBph4, Bph17, Bph15, Bph20, Bph24, Bph6, Bph3, Bph9, Bph10, Bph18 and Bph21) into cultivar 9311 by marker assisted backcross breeding (MABB). Through positive and negative selection we narrowed the segments from donors containing Bph14, Bph15, Bph6 and Bph9 to 100-400 kb...
November 30, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27898824/genome-wide-association-study-of-brown-stem-rot-resistance-in-soybean-across-multiple-populations
#7
Keith Rincker, Alexander E Lipka, Brian W Diers
Genetic resistance to brown stem rot (BSR) of soybean [ (L.) Merr.], caused by (Allington & D.W. Chamb.) T.C. Harr. & McNew, has been identified and mapped with biparental populations. Although nearly 400 accessions have been identified with BSR resistance, this trait has been mapped in only 12 sources, and just two, PI84946-2 and PI88788, have been used to develop BSR resistant cultivars. Thus, there is a serious need to improve our knowledge of the genetic basis of BSR resistance in soybean so that resistance genes in cultivars can be diversified and markers close to resistance genes can be identified and used in marker-assisted selection (MAS)...
July 2016: Plant Genome
https://www.readbyqxmd.com/read/27898813/genome-to-phenome-mapping-in-apple-using-historical-data
#8
Zoë Migicovsky, Kyle M Gardner, Daniel Money, Jason Sawler, Joshua S Bloom, Peter Moffett, C Thomas Chao, Heidi Schwaninger, Gennaro Fazio, Gan-Yuan Zhong, Sean Myles
Apple ( X Borkh.) is one of the world's most valuable fruit crops. Its large size and long juvenile phase make it a particularly promising candidate for marker-assisted selection (MAS). However, advances in MAS in apple have been limited by a lack of phenotype and genotype data from sufficiently large samples. To establish genotype-phenotype relationships and advance MAS in apple, we extracted over 24,000 phenotype scores from the USDA-Germplasm Resources Information Network (GRIN) database and linked them with over 8000 single nucleotide polymorphisms (SNPs) from 689 apple accessions from the USDA apple germplasm collection clonally preserved in Geneva, NY...
July 2016: Plant Genome
https://www.readbyqxmd.com/read/27898769/comparing-the-predictive-abilities-of-phenotypic-and-marker-assisted-selection-methods-in-a-biparental-lettuce-population
#9
Steffen Hadasch, Ivan Simko, Ryan J Hayes, Joseph O Ogutu, Hans-Peter Piepho
Breeding for traits with polygenic inheritance is a challenging task that can be done by phenotypic selection, marker-assisted selection (MAS) or genome-wide selection. We comparatively evaluated the predictive abilities of four selection models on a biparental lettuce ( L.) population genotyped with 95 single nucleotide polymorphisms and 205 amplified fragment length polymorphism markers. These models were based on (i) phenotypic selection, (ii) MAS (with quantitative trait locus (QTL)-linked markers), (iii) genomic prediction using all the available molecular markers, and (iv) genomic prediction using molecular markers plus QTL-linked markers as fixed covariates...
March 2016: Plant Genome
https://www.readbyqxmd.com/read/27898763/fine-mapping-of-resistance-genes-from-five-brown-stem-rot-resistance-sources-in-soybean
#10
Keith Rincker, Glen L Hartman, Brian W Diers
Brown stem rot (BSR) of soybean [ (L.) Merr.] caused by (Allington & Chamb.) T.C. Harr. & McNew can be controlled effectively with genetic host resistance. Three BSR resistance genes , , and , have been identified and mapped to a large region on chromosome 16. Marker-assisted selection (MAS) will be more efficient and gene cloning will be facilitated with a narrowed genomic interval containing an gene. The objective of this study was to fine map the positions of genes from five sources. Mapping populations were developed by crossing the resistant sources 'Bell', PI 84946-2, PI 437833, PI 437970, L84-5873, and PI 86150 with either the susceptible cultivar Colfax or Century 84...
March 2016: Plant Genome
https://www.readbyqxmd.com/read/27897396/acid-mediated-synthesis-of-ordered-mesoporous-aluminosilicates-the-challenge-and-the-promise
#11
Selvam Parasuraman, Nunna Vamsi Krishna
A novel intrinsic hydrolysis method was employed, for the first-time, to synthesize well-ordered H-AlSBA-15 with trivalent aluminium exclusively in tetrahedral framework structure of SBA-15. Unlike other methods, which involve incorporation of aluminum ions in, both, framework (Brønsted) and non-framework (Lewis) sites of the silicate matrix, the intrinsic hydroly-sis method isomorphously substitutes aluminium ions in the tetrahedral network even at high aluminium content. This unique approach relies mainly on hydrolysis rates of inorganic (silicon and aluminium) precursors used for the preparation in such a way that the condensation occurs simultaneously so as to overcome the usually encountered difficulties in stabilizing aluminium ions in the silicate matrix...
November 29, 2016: Chemistry: a European Journal
https://www.readbyqxmd.com/read/27897351/co-existence-of-distinct-supramolecular-assemblies-in-solution-and-in-the-solid-state
#12
Manjunatha Reddy, Aida Huqi, Dinu Iuga, Satoshi Sakurai, Andrew Marsh, Jeffery T Davis, Stefano Masiero, Steven P Brown
The formation of distinct supramolecular assemblies, including a metastable species, is revealed for a lipophilic guanosine (G) derivative in solution and in the solid state. Structurally different G-quartet based assemblies are formed in chloroform depending on the nature of the cation, anion and salt concentration, as characterized by circular dichroism and time course diffusion-ordered NMR spectroscopy data. Intriguingly, even the presence of potassium ions that stabilize G-quartets in chloroform was insufficient to exclusively retain such assemblies in the solid state, leading to the formation of mixed quartet and ribbon-like assemblies as revealed by fast magic-angle spinning (MAS) NMR spectroscopy...
November 29, 2016: Chemistry: a European Journal
https://www.readbyqxmd.com/read/27897293/the-role-of-water-in-the-degradation-process-of-paper-using-1-h-hr-mas-nmr-spectroscopy
#13
Carmelo Corsaro, Domenico Mallamace, Sebastiano Vasi, Luciano Pietronero, Francesco Mallamace, Mauro Missori
The thermodynamic properties of water are essential for determining the corresponding properties of every biosystem it interacts with. Indeed, the comprehension of hydration mechanisms is fundamental for the understanding and the control of paper degradation pathways induced by natural or artificial aging. In fact, the interactions between water and cellulose at the accessible sites within the fibres' complex structure are responsible for the rupture of hydrogen bonds and the consequent swelling of the cellulose fibres and consumption of the amorphous regions...
November 29, 2016: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/27896396/metabolic-profiling-of-ob-ob-mouse-fatty-liver-using-hr-mas-1-h-nmr-combined-with-gene-expression-analysis-reveals-alterations-in-betaine-metabolism-and-the-transsulfuration-pathway
#14
Mikheil Gogiashvili, Karolina Edlund, Kathrin Gianmoena, Rosemarie Marchan, Alexander Brik, Jan T Andersson, Jörg Lambert, Katrin Madjar, Birte Hellwig, Jörg Rahnenführer, Jan G Hengstler, Roland Hergenröder, Cristina Cadenas
Metabolic perturbations resulting from excessive hepatic fat accumulation are poorly understood. Thus, in this study, leptin-deficient ob/ob mice, a mouse model of fatty liver disease, were used to investigate metabolic alterations in more detail. Metabolites were quantified in intact liver tissues of ob/ob (n = 8) and control (n = 8) mice using high-resolution magic angle spinning (HR-MAS) (1)H-NMR. In addition, after demonstrating that HR-MAS (1)H-NMR does not affect RNA integrity, transcriptional changes were measured by quantitative real-time PCR on RNA extracted from the same specimens after HR-MAS (1)H-NMR measurements...
November 28, 2016: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/27896315/altered-oscillatory-dynamics-of-ca1-parvalbumin-basket-cells-during-theta-gamma-rhythmopathies-of-temporal-lobe-epilepsy
#15
Diego Lopez-Pigozzi, François Laurent, Jorge R Brotons-Mas, Mario Valderrama, Manuel Valero, Ivan Fernandez-Lamo, Elena Cid, Daniel Gomez-Dominguez, Beatriz Gal, Liset Menendez de la Prida
Recent reports in human demonstrate a role of theta-gamma coupling in memory for spatial episodes and a lack of coupling in people experiencing temporal lobe epilepsy, but the mechanisms are unknown. Using multisite silicon probe recordings of epileptic rats engaged in episodic-like object recognition tasks, we sought to evaluate the role of theta-gamma coupling in the absence of epileptiform activities. Our data reveal a specific association between theta-gamma (30-60 Hz) coupling at the proximal stratum radiatum of CA1 and spatial memory deficits...
November 2016: ENeuro
https://www.readbyqxmd.com/read/27894246/therapy-related-changes-in-serum-proteome-patterns-of-early-stage-breast-cancer-patients-with-different-outcome
#16
Anna Walaszczyk, Monika Pietrowska, Anna Wojakowska, Agata Abramowicz, Aleksandra Chmura, Barbara Masłyk, Paweł Rodziewicz, Joanna Polańska, Katarzyna Behrendt, Elżbieta Nowicka, Rafał Tarnawski, Piotr Widłak
Adjuvant chemo- and/or radiotherapy is applied in majority of patients treated because of early stage breast cancer even though only a small fraction of them is at high risk of metastasis or recurrence. Hence, knowledge of biomarkers associated with risk of disease progression might help planning of an optimal therapy, and to protect large group of patients from toxicity of unnecessary treatment. Here we aimed to characterize serum proteome of patients diagnosed with early stage breast cancer who either showed no evidence of disease five years after the end of therapy or suffered from metastasis, relapse or second cancer during corresponding follow-up...
November 28, 2016: Protein and Peptide Letters
https://www.readbyqxmd.com/read/27894060/combined-use-of-tissue-doppler-imaging-and-natriuretic-peptides-as-prognostic-marker-in-asymptomatic-aortic-stenosis
#17
Miquel Gomez Perez, Mireia Ble, Mercedes Cladellas, Lluis Molina, Joan Vila, Alexandra Mas-Stachurska, Laura Higueras-Ortega, Julio Marti-Almor
INTRODUCTION: Tissue Doppler imaging (TDI) and N-terminal-pro-Brain Natriuretic Peptide (NT-proBNP) provides useful non-invasive information about left ventricle filling pressures and both have demonstrated to be a prognostic marker in some valve disease as aortic stenosis (AS). OBJECTIVES: To assess the clinical value of combined TDI and NT-proBNP information in asymptomatic AS patients. MATERIAL AND METHODS: Prospective study of 350 initially asymptomatic moderate to severe AS patients with: Mean aortic valve area 0...
November 10, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27891826/ct-brain-perfusion-a-static-phantom-study-of-contrast-to-noise-ratio-and-radiation-dose
#18
Stewart M Midgley, Damien L Stella, Bruce Cv Campbell, Francesca Langenberg, Paul F Einsiedel
INTRODUCTION: Computed tomography perfusion (CTP) is increasingly employed in the diagnosis and management of ischaemic stroke but radiation dose can be significant and optimising contrast-to-noise ratio (CNR) is challenging. This study aimed to quantify and optimise the balance between CNR as a surrogate for image quality and radiation dose. METHODS: A perspex head phantom with vials of dilute contrast agent was scanned using a Siemens Definition Flash 128-slice scanner...
November 27, 2016: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/27891541/dft-calculations-in-the-assignment-of-solid-state-nmr-and-crystal-structure-elucidation-of-a-lanthanum-iii-complex-with-dithiocarbamate-and-phenanthroline
#19
Vasantha Gowda, Risto S Laitinen, Ville-Veikko Telkki, Anna-Carin Larsson, Oleg N Antzutkin, Perttu Lantto
The molecular, crystal, and electronic structures as well as spectroscopic properties of a mononuclear heteroleptic lanthanum(iii) complex with diethyldithiocarbamate and 1,10-phenanthroline ligands (3 : 1) were studied by solid-state (13)C and (15)N cross-polarisation (CP) magic-angle-spinning (MAS) NMR, X-ray diffraction (XRD), and first principles density functional theory (DFT) calculations. A substantially different powder XRD pattern and (13)C and (15)N CP-MAS NMR spectra indicated that the title compound is not isostructural to the previously reported analogous rare earth complexes with the space group P21/n...
November 28, 2016: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/27890153/the-arm-force-field-method-to-predict-manual-arm-strength-based-on-only-hand-location-and-force-direction
#20
Nicholas J La Delfa, Jim R Potvin
This paper describes the development of a novel method (termed the 'Arm Force Field' or 'AFF') to predict manual arm strength (MAS) for a wide range of body orientations, hand locations and any force direction. This method used an artificial neural network (ANN) to predict the effects of hand location and force direction on MAS, and included a method to estimate the contribution of the arm's weight to the predicted strength. The AFF method predicted the MAS values very well (r(2) = 0.97, RMSD = 5.2 N, n = 456) and maintained good generalizability with external test data (r(2) = 0...
March 2017: Applied Ergonomics
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