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https://www.readbyqxmd.com/read/28321203/clinical-and-epidemiological-correlates-of-task-specific-dystonia-in-a-large-cohort-of-brazilian-music-players
#1
Rita C Moura, Patrícia Maria de Carvalho Aguiar, Graziela Bortz, Henrique Ballalai Ferraz
Musician's dystonia is a task-specific dystonia (TSD) worldwide disabling disorder, and most of the affected individuals may have severe difficulty to play their instrument. Many professional music players may have to quit working as a player. The objective of the present study was to evaluate the clinical characteristics and frequency of TSD in Brazilian music players and to promote awareness of this condition among musicians. We visited orchestras and music schools delivering lectures on TSD and about the scope of our survey...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28304302/sleep-deprivation-induced-plasma-amyloid-%C3%AE-transport-disturbance-in-healthy-young-adults
#2
Meng Wei, Beiyu Zhao, Kang Huo, Yongning Deng, Suhang Shang, Jie Liu, Yanbo Li, Louyan Ma, Yu Jiang, Liangjun Dang, Chen Chen, Shan Wei, Juanli Zhang, Hailei Yang, Fan Gao, Qiumin Qu
BACKGROUND: Sleep is an important physiological process and beneficial in the removal of brain metabolites and functional recovery. Prior studies have shown that sleep disorders are significant risk factors for Alzheimer's disease (AD). OBJECTIVE: The present study was designed to characterize the effect of short-term total sleep deprivation (TSD) on plasma amyloid-β (Aβ) concentrations. METHODS: A clinical trial was conducted between March 1, 2016, and April 1, 2016...
March 18, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28304245/kineothrix-alysoides-gen-nov-sp-nov-a-saccharolytic-butyrate-producer-within-the-family-lachnospiraceae
#3
Kelly Nicole Haas, Jeffrey L Blanchard
An anaerobic, saccharolytic, spore-forming, butyrate-producing bacterium, strain KNHs209T, was isolated from a switchgrass microcosm seeded with forest soil. Cells were highly motile rods, often forming long filamentous chains which were easily observed moving under the microscope. Its closest phylogenetic relative was Eisenbergiella tayi (16S rRNA gene sequence identity 94.2 %), although it was easily distinguishable based on its morphology and physiology. Whole-genome sequencing enabled development of a minimal medium, and also suggested that the organism is capable of fixing nitrogen...
February 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28296881/transcriptomic-responses-to-environmental-temperature-by-turtles-with-temperature-dependent-and-genotypic-sex-determination-assessed-by-rnaseq-inform-the-genetic-architecture-of-embryonic-gonadal-development
#4
Srihari Radhakrishnan, Robert Literman, Jennifer Neuwald, Andrew Severin, Nicole Valenzuela
Vertebrate sexual fate is decided primarily by the individual's genotype (GSD), by the environmental temperature during development (TSD), or both. Turtles exhibit TSD and GSD, making them ideal to study the evolution of sex determination. Here we analyze temperature-specific gonadal transcriptomes (RNA-sequencing validated by qPCR) of painted turtles (Chrysemys picta TSD) before and during the thermosensitive period, and at equivalent stages in soft-shell turtles (Apalone spinifera-GSD), to test whether TSD's and GSD's transcriptional circuitry is identical but deployed differently between mechanisms...
2017: PloS One
https://www.readbyqxmd.com/read/28296279/an-immunohistochemical-approach-to-identify-the-sex-of-young-marine-turtles
#5
Boris M Tezak, Kathleen Guthrie, Jeanette Wyneken
Marine turtles exhibit temperature-dependent sex determination (TSD). During critical periods of embryonic development, the nest's thermal environment directs whether an embryo will develop as a male or female. At warmer sand temperatures nests tend to produce female-biased sex ratios. The rapid increase of global temperature highlights the need for a clear assessment of its effects on sea turtle sex ratios. However, estimating hatchling sex ratios at rookeries remains imprecise due to the lack of sexual dimorphism in young marine turtles...
March 13, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/28286317/7t-fmri-faster-temporal-resolution-yields-optimal-bold-sensitivity-for-functional-network-imaging-specifically-at-high-spatial-resolution
#6
Peter E Yoo, Sam E John, Shawna Farquharson, Jon O Cleary, Yan T Wong, Amanda Ng, Claire Mulcahy, David B Grayden, Roger J Ordidge, Nicholas L Opie, Terence J O'Brien, Thomas J Oxley, Bradford A Moffat
Recent developments in accelerated imaging methods allow faster acquisition of high spatial resolution images. This could improve the applications of functional magnetic resonance imaging at 7 T (7T-fMRI), such as neurosurgical planning and Brain Computer Interfaces (BCIs). However, increasing the spatial and temporal resolution will both lead to signal-to-noise ratio (SNR) losses due to decreased signal intensity and T1-relaxation effect, respectively. This could potentially offset the SNR efficiency gains made with increasing temporal resolution...
March 7, 2017: NeuroImage
https://www.readbyqxmd.com/read/28275526/quantifying-variability-in-longitudinal-peripapillary-rnfl-and-choroidal-layer-thickness-using-surface-based-registration-of-oct-images
#7
Sieun Lee, Morgan Heisler, Paul J Mackenzie, Marinko V Sarunic, Mirza Faisal Beg
PURPOSE: To assess within-subject variability of retinal nerve fiber layer (RNFL) and choroidal layer thickness in longitudinal repeat optical coherence tomography (OCT) images with point-to-point measurement comparison made using nonrigid surface registration. METHODS: Nine repeat peripapillary OCT images were acquired over 3 weeks from 12 eyes of 6 young, healthy subjects using a 1060-nm prototype swept-source device. The RNFL, choroid and the Bruch's membrane opening (BMO) were segmented, and point-wise layer thicknesses and BMO dimensions were measured...
February 2017: Translational Vision Science & Technology
https://www.readbyqxmd.com/read/28251545/impact-of-tillage-practices-on-soil-bacterial-diversity-and-composition-under-the-tobacco-rice-rotation-in-china
#8
Yanping Lei, Yongliang Xiao, Lifeng Li, Chaoqiang Jiang, Chaolong Zu, Tian Li, Hui Cao
Tobacco-rice rotation is a common farming system in south China, and many tillage practices such as straw mulching, dolomite dust, and quicklime application have been adopted to improve crop production. These agricultural management practices alter soil physical and chemical properties and affect microbial life environment and community composition. In this research, six tillage practices including no tobacco and rice straw mulching (CK), tobacco and rice straw mulching (TrSr), rice straw returning fire (TrSc), tobacco and rice straw mulching with dolomite dust (TSD), rice straw returning fire and quicklime (TSQ), and rice straw returning fire, quicklime and reduced fertilizer (TSQf) were conducted to detect changes in soil bacterial diversity and composition using Illumina sequencing...
March 1, 2017: Journal of Microbiology / the Microbiological Society of Korea
https://www.readbyqxmd.com/read/28243861/potential-contributions-of-heat-shock-proteins-and-related-genes-in-sexual-differentiation-in-yellow-catfish-pelteobagrus-fulvidraco
#9
Yan He, Jie Fang, Liyao Xue, Junjie Wu, Farman Ullah Dawar, Jie Mei
Sex determination and differentiation in ectotherms are very complicated affairs and usually affected by both genetic and environmental factors. Because of their temperature-sensitive expression, heat shock proteins (HSPs) are good candidates for temperature-dependent sex determination (TSD). Similar to most thermosensitive fish species, the male to female ratio increases with temperature in yellow catfish (Pelteobagrus fulvidraco). Yellow catfish is also a type of sexual size dimorphic fish, and the male individuals grow much faster than females of the same age...
February 28, 2017: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/28231272/vibrio-japonicus-sp-nov-a-novel-member-of-the-nereis-clade-in-the-genus-vibrio-isolated-from-the-coast-of-japan
#10
Hiroyasu Doi, Ikuko Osawa, Hayamitsu Adachi, Manabu Kawada
A novel Vibrio strain, JCM 31412T, was isolated from seawater collected from the Inland Sea (Setonaikai), Japan, and characterized as a Gram-negative, oxidase-positive, catalase-negative, facultatively anaerobic, motile, ovoid-shaped bacterium with one polar flagellum. Based on 16S rDNA gene identity, strain JCM 31412T showed a close relationship with type strains of Vibrio brasiliensis (LMG 20546T, 98.2% identity), V. harveyi (NBRC 15634T, 98.2%), V. caribbeanicus (ATCC BAA-2122T, 97.8%) and V. proteolyticus (NBRC 13287T, 97...
2017: PloS One
https://www.readbyqxmd.com/read/28214701/leachate-flush-strategies-for-managing-volatile-fatty-acids-accumulation-in-leach-bed-reactors
#11
S Riggio, M Torrijos, G Vives, G Esposito, E D van Hullebusch, J P Steyer, R Escudié
In anaerobic leach-bed reactors (LBRs) co-digesting an easily- and a slowly-degradable substrate, the importance of the leachate flush both on extracting volatile fatty acids (VFAs) at the beginning of newly-started batches and on their consumption in mature reactors was tested. Regarding VFA extraction three leachate flush-rate conditions were studied: 0.5, 1 and 2Lkg(-1)TSd(-1). Results showed that increasing the leachate flush-rate during the acidification phase is essential to increase degradation kinetics...
January 30, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28207550/retrospective-analysis-of-vocal-cord-to-suprasternal-notch-distance-implications-for-preventing-endotracheal-tube-cuff-induced-vocal-cord-injury
#12
Hyerim Kim, Jee-Eun Chang, Jung-Hee Ryu, Haesun Jung, Seong-Won Min, Jung-Man Lee, Jin-Young Hwang
Endotracheal tube (ETT) positioning using the cuff ballottement test, which confirms that the inflated cuff is positioned at the suprasternal notch with squeezing or inflating a pilot balloon, has been reported to be a simple and reliable method of preventing endobronchial intubation. However, in patients with a short vocal cord-to-suprasternal notch, ETT placement using the cuff ballottement test can cause vocal cord injury. In the present study, we assessed the distance from a point 15 mm below the vocal cord to the suprasternal notch (VSD-15), the safe position for ETT cuff placement above the suprasternal notch, and investigated variables for predicting VSD-15...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28197938/clinical-efficacy-and-safety-of-bathing-with-chinese-medicine-taohong-siwu-decoction-for-treatment-of-diffuse-cutaneous-systemic-sclerosis-a-randomized-placebo-controlled-trial
#13
Jing Zhou, Dong Yang, Shu-Hong Zhou, Jin-Ping Wang, Yue-Shu Liu, Shu-Lan Wang
OBJECTIVE: To examine the efficacy and safety of bathing therapy with Taohong Siwu Decoction (, TSD) in the treatment of early-stage, mild-moderate diffuse cutaneous systemic sclerosis (dcSSc). METHODS: This randomized, placebo-controlled trial enrolled 148 men and women (18-60 years) with dcSSc (disease duration ≤12 months) and baseline modified Rodnan skin score (MRSS) ≥10. Patients were randomized into a TSD group (71 cases bathing with TSD plus oral prednisone) or control group (71 cases bathing with placebo plus oral prednisone)...
February 15, 2017: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/28181237/determination-of-time-since-death-using-vitreous-humor-tryptophan
#14
Niha Ansari, Shobhana K Menon
Determination of time since death (TSD) plays very important role in forensic examination as it narrows down field of suspects and aids in deceased identification. This study utilizes the fluorescence property of vitreous humor (VH) tryptophan to determine TSD using o-phthalaldehyde (OPA). The detection limit of these fluorometric studies was found to be 8 ppb indicating sensitivity and high accuracy in TSD determination. The study was performed on selected 76 cadaver with known TSD ranging from 3 to 90 h. Excellent correlation between VH tryptophan and TSD was obtained with a coefficient of correlation R(2) = 0...
February 9, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28179520/population-viability-at-extreme-sex-ratio-skews-produced-by-temperature-dependent-sex-determination
#15
Graeme C Hays, Antonios D Mazaris, Gail Schofield, Jacques-Olivier Laloë
For species with temperature-dependent sex determination (TSD) there is the fear that rising temperatures may lead to single-sex populations and population extinction. We show that for sea turtles, a major group exhibiting TSD, these concerns are currently unfounded but may become important under extreme climate warming scenarios. We show how highly female-biased sex ratios in developing eggs translate into much more balanced operational sex ratios so that adult male numbers in populations around the world are unlikely to be limiting...
February 8, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28176850/application-of-machine-learning-models-to-predict-tacrolimus-stable-dose-in-renal-transplant-recipients
#16
Jie Tang, Rong Liu, Yue-Li Zhang, Mou-Ze Liu, Yong-Fang Hu, Ming-Jie Shao, Li-Jun Zhu, Hua-Wen Xin, Gui-Wen Feng, Wen-Jun Shang, Xiang-Guang Meng, Li-Rong Zhang, Ying-Zi Ming, Wei Zhang
Tacrolimus has a narrow therapeutic window and considerable variability in clinical use. Our goal was to compare the performance of multiple linear regression (MLR) and eight machine learning techniques in pharmacogenetic algorithm-based prediction of tacrolimus stable dose (TSD) in a large Chinese cohort. A total of 1,045 renal transplant patients were recruited, 80% of which were randomly selected as the "derivation cohort" to develop dose-prediction algorithm, while the remaining 20% constituted the "validation cohort" to test the final selected algorithm...
February 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28161311/degradation-of-cortical-representations-during-encoding-following-sleep-deprivation
#17
Jia-Hou Poh, Michael W L Chee
A night of total sleep deprivation (TSD) reduces task-related activation of fronto-parietal and higher visual cortical areas. As this reduction in activation corresponds to impaired attention and perceptual processing, it might also be associated with poorer memory encoding. Related animal work has established that cortical columns stochastically enter an 'off' state in sleep deprivation, leading to predictions that neural representations are less stable and distinctive following TSD. To test these predictions participants incidentally encoded scene images while undergoing fMRI, either during rested wakefulness (RW) or after TSD...
February 1, 2017: NeuroImage
https://www.readbyqxmd.com/read/28151382/pyrobaculum-igneiluti-sp-nov-a-novel-anaerobic-hyperthermophilic-archaeon-that-reduces-thiosulfate-and-ferric-iron
#18
Jerry Y Lee, Brenda Iglesias, Caleb E Chu, Daniel J P Lawrence, Edward J Crane Iii
A novel anaerobic, hyperthermophilic archaeon was isolated from a mud volcano in the Salton Sea geothermal system in Southern California, USA. The isolate, named strain 521T, grew optimally at 90°C, pH 5.5-7.3, and 0-2.0% w/v NaCl, with a generation time of 10 hours under optimal conditions. Cells were rod-shaped and nonmotile, ranging from 2-7 μm in length. Strain 521T grew only in the presence of thiosulfate and/or Fe(III) (ferrihydrite) as terminal electron acceptors in strictly anaerobic conditions, and preferred protein-rich compounds as energy sources, although the isolate was capable of chemolithoautotrophic growth...
February 2, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28150571/sanguibacter-gelidistatuariae-sp-nov-a-novel-psychrotolerant-anaerobe-from-an-ice-sculpture-in-antarctica-and-emendation-of-descriptions-for-the-family-sanguibacteraceae-the-genus-sanguibacter-and-species-s-antarcticus-s-inulinus-s-kedieii-s-marinus-s-soli
#19
Elena V Pikuta, Zhe Lyu, Melissa D Williams, Nisha B Patel, Yuchen Liu, Richard Brice Hoover, Hans-Jürgen Busse, Paul A Lawson, William B Whitman
A novel psychrotolerant bacterium strain ISLP-3T was isolated from a sample of naturally formed ice sculpture on the shore of Lake Podprudnoye in Antarctica. Cells were motile, stained Gram positive, non-spore-forming, straight or slightly curved rods with the shape of a baseball bat. The new isolate was facultatively anaerobic and catalase positive. Growth occurred at 3-35 ºC with an optimum at 24 °C, 0-2 % w/v NaCl with an optimum at 0.3 % and pH 6.2 - 9.5 with an optimum 7.5. Strain ISLP-3T grew on several carbon sources, with the best growth on D-cellobiose...
February 1, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28149701/relocate2-a-high-resolution-transposable-element-insertion-site-mapping-tool-for-population-resequencing
#20
Jinfeng Chen, Travis R Wrightsman, Susan R Wessler, Jason E Stajich
BACKGROUND: Transposable element (TE) polymorphisms are important components of population genetic variation. The functional impacts of TEs in gene regulation and generating genetic diversity have been observed in multiple species, but the frequency and magnitude of TE variation is under appreciated. Inexpensive and deep sequencing technology has made it affordable to apply population genetic methods to whole genomes with methods that identify single nucleotide and insertion/deletion polymorphisms...
2017: PeerJ
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