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17 results for “transmission mode”
Thermally mediated transmission-mode deflection of terahertz waves by lamellar metagratings containing a phase-change material
<p>The data generated by MATLAB, whcih were used to plot a part of the figures. </p> <p>Research supported by Narodowe Centrum Nauki, project no UMO-2020/39/I/ST3/02413.</p>
Exploring mechanisms that affect coral cooperation: symbiont transmission mode, cell density and community composition
<p>This repository contains code to accompany the manuscript titled</p> <p><strong>Exploring mechanisms that affect coral cooperation: symbiont transmission mode, cell density and community composition</strong></p> <p>by <strong>Carly D. Kenkel and Line K. Bay</strong><br> </p> <p>In this study, we used a phylogenetically controlled design to investigate the role of vertical symbiont transmission, an evolutionary mechanism predicted to enhance cooperation and holobiont fitness of reef-building corals. Six species of coral, three vertical transmitters and their closest horizontally transmitting relatives, were fragmented and subjected to a two-week thermal stress experiment. Symbiont cell density, photosynthetic function and translocation of photosynthetically fixed carbon between symbionts and hosts were quantified to assess changes in physiological metrics of fitness and cooperation. Amplicon sequencing of the <em>Symbiodinium</em> ITS-2 locus was used to investigate differences in symbiont community composition among focal species. We did not observe universally higher levels of cooperation in vertically transmitting species. However, the reduction in cooperation at the onset of bleaching was marginally associated with symbiont community diversity. Analysis of ITS2 amplicon sequence data suggest that it may not be vertical transmission <em>per se</em> that influences host-symbiont cooperation, but genetic uniformity of the symbiont community.</p> <p>Repository contents:</p> <ul> <li> <p><strong>TraitDataAnalysis.R:</strong> Annotated R script for generating figures and re-creating statistical analyses</p> <ul> <li> <p><strong>RsquaredGLMM.R:</strong> Accessory R script for running RsquaredGLMM analyses, called by <strong>TraitDataAnalysis.R</strong></p> </li> <li> <p><strong>NSF_RunningPam.csv</strong>: Input file for statistical analysis. Contains photophysiological data. Column headers are as follows:</p> <ul> <li> <p>Tank: Number of experimental tank in which experimental coral fragment was held</p> </li> <li> <p>Treatment: short-hand notation for sample treatments (e.g. ctrl1-5 = control temperature, genotypes 1-5)</p> </li> <li> <p>Water: source sump for temperature controlled water jackets for each set of treatment tanks</p> </li> <li> <p>Position: numerical rack position of coral fragment within experimental treatment tank</p> </li> <li> <p>Species: Coral species (Amil=<em>A. millepora</em>, Maqe=<em>M. aequituberculata</em>, Gast=<em>G. astreata</em>, Gach=<em>G. acrhelia</em>, Plob=<em>P. lobata</em>, Gcol=<em>G. columna</em>)</p> </li> <li> <p>Genotype: source colony origin of individual coral fragments within species</p> </li> <li> <p>Temp: experimental temperature treatment (ctrl: 27°C ; heat: 31°C)</p> </li> <li> <p>Treat: whether experimental corals received C14-labeled bicarbonate (bicarb), artemia or were sampled separately for Gene Expression Analysis (not presented in this manuscript)</p> </li> <li> <p>EQY: Effective quantum yield of <em>Symbiodinium</em> photosystem II as measured using PAM fluorometry</p> </li> <li> <p>Date: Actual calendar date of measure</p> </li> <li> <p>Transmission: coral symbiont transmission mode</p> </li> <li> <p>Reef: reef site of original coral collection</p> </li> <li> <p>Date: experimental date of measure</p> </li> </ul> </li> <li> <p><strong>TraitData.csv:</strong> Input file for statistical analysis. Contains all physiological trait data.</p> <ul> <li> <p>Includes columns as described above for the Running_Pam file in addition to columns containing raw trait data as described in the manuscript.</p> </li> </ul> </li> <li> <p><strong>TraitData_DaysAsCols.csv:</strong> Reformatted input file with trait data split by sampling day across columns</p> </li> </ul> </li> <li> <p><strong>DADA2Analysis.R:</strong> Annotated R script for generating figures and running ITS2 amplicon analyses</p> <ul> <li> <p>GeoSymbio_ITS2_LocalDatabase_verForPhyloseq.fasta: FASTA file of the GeoSymbio ITS2 reference database <a href="https://sites.google.com/site/geosymbio/">https://sites.google.com/site/geosymbio/</a>, formatted for use with the R prograom Phyloseq</p> </li> <li> <p>SeqVars_6Feb.fasta: FASTA file of identified sequence variants resulting from DADA2 analysis</p> </li> <li> <p>OutputDADA_6Feb.csv: Counts of sequence variants by sample</p> </li> <li> <p>Raw FASTQ paired end read files can be downloaded from NCBI's SRA: PRJNA338365</p> </li> </ul> </li> </ul>
A single neuron in C. elegans orchestrates multiple motor outputs through parallel modes of transmission
<p class="MsoNormal"><span>Animals generate a wide range of highly coordinated motor outputs, which allows them to execute purposeful behaviors. Individual neurons in the circuits that generate behaviors have a remarkable capacity for flexibility, as they exhibit multiple axonal projections, transmitter systems, and modes of neural activity. How these multi-functional properties of neurons enable the generation of adaptive behaviors remains unknown. Here we show that the HSN neuron in <em>C. elegans</em> evokes multiple motor programs over different timescales to enable a suite of behavioral changes during egg-laying. Using HSN activity perturbations and in vivo calcium imaging, we show that HSN acutely increases egg-laying and locomotion while also biasing the animals towards low-speed dwelling behavior over minutes. The acute effects of HSN on egg-laying and high-speed locomotion are mediated by separate sets of HSN transmitters and different HSN axonal projections. The long-lasting effects on dwelling are mediated by HSN release of serotonin that is taken up and re-released by NSM, another serotonergic neuron class that directly evokes dwelling. Our results show how the multi-functional properties of a single neuron allow it to induce a coordinated suite of behaviors and also reveal that neurons can borrow serotonin from one another to control behavior.</span></p>
A single neuron in C. elegans orchestrates multiple motor outputs through parallel modes of transmission
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Measurements of Wiretap Encoded Image Transmissions over Multi-Mode Fibers
<p><strong>Securing Data in Multimode Fibers by Exploiting Mode-Dependent Light Propagation Effects</strong></p> <p>This dataset accompanies the publication "Securing Data in Multimode Fibers by Exploiting Mode-Dependent Light Propagation Effects" (S. Rothe, K.-L. Besser, D. Krause, R. Kuschmierz, N. Koukourakis, E. Jorswieck, J. Czarske. Research, vol. 6: 0065, Jan. 2023. <a href="https://doi.org/10.34133/research.0065">DOI:10.34133/research.0065</a>).</p> <p>It contains the measurements of the transmissions of the logo of TU Dresden, encoded by polar wiretap codes of different rates.<br> Each measurement contains the received signals of both the legitimate receiver (Bob) and the eavesdropper (Eve).</p> <p> </p> <p>The code to analyze the measurement files and reproduce the results from the above paper can be found at <a href="https://github.com/klb2/mmf-physec">https://github.com/klb2/mmf-physec</a>.</p>
Experimental Validation of Automated OMA and Mode Tracking for Structural Health Monitoring of Transmission Towers
<p>This dataset is part of the Smart Tower Project and is intended to accompany academic publications entitled "Experimental Validation of Automated OMA and Mode Tracking for Structural Health Monitoring of Transmission Towers". It provides valuable data under high wind excitation conditions and is beneficial for researchers in the field of structural dynamics and Structural Health Monitoring (SHM). The dataset includes high-resolution accelerometer data and estimated modal parameters, along with part of the code script used for analysis.</p> <p>Dataset Components:</p> <ol> <li> <p><strong>Raw Accelerometer Data (April Month)</strong>: High-resolution time-series accelerometer data recorded during April, under high wind excitation conditions. The data is sampled at a rate of 250 Hz. The data is organized in dd/YYYYmmdd_HHMMSS.tdms</p> <ul> <li><strong>Format</strong>: TDMS</li> </ul> </li> <li> <p><strong>Modal Parameters</strong>: Resonance frequencies estimated over the entire monitoring period from 29/03/2023 to 25/06/2023.</p> <ul> <li><strong>Format</strong>: Parquet</li> </ul> </li> </ol>
Evaluating Modes of Influenza Transmission Observational Study of Community Acquired Influenza
ClinicalTrials.gov study NCT01769430. IPD Sharing: YES. Countries: 1. Publications: 4.
Evaluating Modes of Influenza Transmission 2b Baseline SAR
ClinicalTrials.gov study NCT07342556. IPD Sharing: YES. Countries: 1. Publications: 2.
Wolbachia infection in wild mosquitoes (Diptera: Culicidae): Implications for transmission modes and host-endosymbiont associations in Singapore
<p><strong>Background: </strong></p> <p><em>Wolbachia</em> are intracellular bacterial endosymbionts found in most insect lineages. In mosquitoes, the influence of these endosymbionts on host reproduction and arboviral transmission has spurred numerous studies aimed at using <em>Wolbachia</em> infection as a vector control technique. However, there are several knowledge gaps in the literature and little is known about natural <em>Wolbachia</em> infection across species, their transmission modes, or associations between various <em>Wolbachia</em> lineages and their hosts. This study aims to address these gaps by exploring mosquito-<em>Wolbachia</em> associations and their evolutionary implications.</p> <p><strong>Methods:</strong></p> <p>We conducted tissue-specific polymerase chain reaction screening for <em>Wolbachia</em> infection in the leg, gut and reproductive tissues of wild mosquitoes from Singapore using the <em>Wolbachia</em> surface protein gene (<em>wsp</em>) molecular marker. Mosquito-<em>Wolbachia</em> associations were explored using three methods— tanglegram, distance-based, and event-based methods—and by inferred instances of vertical transmission and host shifts.</p> <p><strong>Results:</strong></p> <p>Adult mosquitoes (271 specimens) representing 14 genera and 40 species were screened for <em>Wolbachia</em>. Overall, 21 species (51.2%) were found positive for <em>Wolbachia</em>, including five in the genus <em>Aedes</em> and five in the genus <em>Culex</em>. To our knowledge, <em>Wolbachia</em> infections have not been previously reported in seven of these 21 species: <em>Aedes nr. fumidus, Aedes annandalei, Uranotaenia obscura, Uranotaenia trilineata, Verrallina butleri, Verrallina </em>sp.<em> and Zeugnomyia gracilis</em>. <em>Wolbachia</em> were predominantly detected in the reproductive tissues, which is an indication of vertical transmission. However, <em>Wolbachia</em> infection rates varied widely within a mosquito host species. There was no clear signal of cophylogeny between the mosquito hosts and the 12 putative <em>Wolbachia</em> strains observed in this study. Host shift events were also observed.</p> <p><strong>Conclusions:</strong></p> <p>Our results suggest that the mosquito-<em>Wolbachia</em> relationship is complex and that combinations of transmission modes and multiple evolutionary events likely explain the observed distribution of <em>Wolbachia</em> diversity across mosquito hosts. These findings have implications for a better understanding of the diversity and ecology of <em>Wolbachia</em> and for their utility as biocontrol agents.</p>
Evaluating Modes of Influenza Transmission
ClinicalTrials.gov study NCT01710111. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Data from: The context dependent effects of host competence, competition, and the pathogen transmission mode on disease prevalence
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Wolbachia infection in wild mosquitoes (Diptera: Culicidae): Implications for transmission modes and host-endosymbiont associations in Singapore
Open the record for dataset details and reuse information.
Data from: Evolution of transmission mode in conditional mutualisms with spatial variation in symbiont quality
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Application of Bouguer-Lambert- Beer law to quantify complex IR pattern in absorption (A) and transmission (T) operation modes
<p>Experimental dataset of conventional IR spectra, their quantification and chemometric treatment. </p>
MR7T-Healthy-PTX : Brain Exploration in Magnetic Resonance Imaging in Parallel Transmission Mode (pTX) at 7 Tesla
ClinicalTrials.gov study NCT04369755. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Evaluating Modes of Influenza Transmission Between Humans
ClinicalTrials.gov study NCT01150149. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Kerr Total Transmission Mode Mathematica Data: l=2--8
<p>These tar.gz files contain the original Mathematica data files for the gravitational total transmission modes of the Kerr geometry for n=0 (Normal) and n=1 & 2 (Asymptotic) sequences for l=2--8. These data sets were constructed using the methods outlines in Cook & Zalutskiy, <em>Phys. Rev. D</em> <strong>90</strong> (2014) pp. 124021 (DOI: https://doi.org/10.1103/PhysRevD.90.124021) and Cook & Lu, <em>Phys. Rev. D</em> <strong>107</strong> (2023) pp. 044043 (DOI: https://doi.org/10.1103/PhysRevD.107.044043).</p>
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.