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10,767 results for “Contribution”
Parametric effects of light acting via multiple photoreceptors contribute to circadian entrainment in Drosophila melanogaster
<p>Circadian rhythms in physiology and behavior have near 24-hour periodicities that must adjust to the exact 24-hour geophysical cycles on earth to ensure adaptive daily timing. Such adjustment is called entrainment. One major mode of entrainment is via the continuous modulation of circadian period by the prolonged presence of light. Although <em>Drosophila melanogaster</em> is a prominent insect model of chronobiology, there is little evidence for such continuous effects of light in the species. In this study, we demonstrate that prolonged light exposure at specific times of the day shapes the daily timing of activity in flies. We also establish that continuous blue- and UV-blocked light lengthens the circadian period of <em>Drosophila</em> and provide evidence that this is produced by the combined action of multiple photoreceptors which, includes the cell autonomous photoreceptor <em>cryptochrome</em>. Finally, we introduce ramped light cycles as an entrainment paradigm that produces light entrainment that lacks the large light-driven startle responses typically displayed by flies and requires multiple days for entrainment to shifted cycles. These features are reminiscent of entrainment in mammalian models systems and make possible new experimental approaches to understanding the mechanisms underlying entrainment in the fly.</p>
Dataset for manuscript "Contributions of Atmospheric Rivers to the Hydroclimatology of British Columbia's Nechako River Basin"
<p>This dataset is the foundation of the findings presented in the "Contributions of Atmospheric Rivers to the Hydroclimatology of British Columbia's Nechako River Basin".</p>
Data from: Microbial activity contributes to spatial heterogeneity of wetland methane fluxes
<p>The emission of methane from wetlands is spatially heterogeneous, as concurrently measured surface fluxes can vary by orders of magnitude within the span of a few meters. Despite extensive study and the climatic significance of these greenhouse gas emissions, it remains unclear what drives these large within-site variations, creating a knowledge-gap that impedes a mechanistic understanding of wetland fluxes. While geophysical variables including water table depth (WTD) and soil temperature are known to correlate with CH<sub>4</sub> flux, measurable variance in these parameters declines as spatial and temporal scales become finer. Here, we leveraged depth-stratified gene abundance and gene expression measurements of methanogenesis and methanotrophy to investigate CH<sub>4</sub> flux variance at an ombrotrophic peat bog. Our results show that the flux variance was strongly correlated to methanogen abundance and that peat depth also exerted significant control over CH<sub>4</sub> flux, methanogen abundance, and the relationship between the two. Correlations between CH<sub>4</sub> flux and either WTD or soil temperature were absent or minimal. These findings suggest that microbial factors likely underlie localized variance in wetland CH<sub>4</sub> flux, and that a greater reliance on biological predictors could improve our ability to understand wetland methane fluxes at finer scales than is currently possible.</p>
Dataset to study "Understanding rural communities' narratives of land abandonment and its consequences on nature's contributions to people in a biocultural landscape in Spain"
<p>This dataset includes the raw data of a survey of 203 local residents in the region of Las Hurdes, Spain. The dataset sheet presents respondents' Linkages toward traditional land uses, Land abandonment perception and impacts, main agricultural practices, and socio-demographic characteristics (age, education level, place of residence, etc). The survey was carried out by face-to-face and the data compilation was done manually. The complete method is described in: Quintas‑Soriano, C., Torralba, M., García‑Martín, M., Plieninger, T., (2023): Narratives of land abandonment in a biocultural landscape of Spain. Regional Environmental Change, in press.</p> <p>In this upload you can find 2 files:</p> <p>1- Database: this file contains the dataset with all the valid responses to the survey. blank spaces mean that the question was left unanswered by the respondents.</p> <p>2- Document of the face-to-face survey with all the questions and panels used for the social sampling.</p>
Gulls contribute to olive seed dispersal within and among islands in a Mediterranean coastal area
<p><strong>Aim: </strong>To analyse the role of non-frugivorous birds on seed dispersal, seed dispersal by gulls is expected to be especially instrumental in island ecosystems, as these have a smaller subset of frugivores when compared to the mainland, and because long-distance dispersal is required for plant colonization. Here we investigated the seed dispersal of olives by gulls among ten islands of the same archipelago to reveal if gulls contribute to long-distance seed dispersal including different islands, and how gulls' adaptation to domestic olives and individual differences in foraging activities affect their seed dispersal pattern.</p> <p><strong>Location: </strong>Balearic Islands in the Western Mediterranean Sea, Spain</p> <p><strong>Taxon:</strong> Yellow-legged gulls ( <em>Larus michahellis</em>), Domestic and wild Olives ( <em>Olea europaea</em> and <em>O. europaea var.</em> <em>sylvestris</em>)</p> <p><strong>Methods</strong>: We developed seed dispersal models of the two ecotypes of olives dispersed by gulls across an archipelago, based on GPS tracking data, gut passage time, and seed viability.</p> <p><strong>Results</strong>: Mean dispersal distances were 7.67 (±12.48) km in wild and 12.57 (±13.08) km in domestic olives. Seven-point one percent of wild and 8.5% of domestic olives were dispersed among islands. Among these, 8.2% of domestic seeds were transported from large to small islands where gull colonies are located, whereas wild olives were dispersed in more variable directions. Such dispersal pattern of two olive ecotypes were consistent despite the differences in dispersal distances among individuals.</p> <p><strong>Main conclusions:</strong> Gulls contributed to long-distance olive seed dispersal including different islands. The seed dispersal of domestic olives to longer distances with specific directions may facilitate colonization and expansion of that variant if the conditions of seed deposition sites are suitable. Our findings indicate that gulls are relevant vectors for long-distance dispersal of large fleshy fruits in island ecosystems where specialist large frugivores are absent.</p>
Predictive neural computations in cerebellar circuits contribute to motor planning and faster behavioral responses in larval zebrafish
<p>This dataset contains raw and processed data along with jupyter notebooks to generate figures in Narayanan et al., 2023. Instructions for navigating through the dataset and for running the analysis codes are in README.pdf.</p>
A survey into the contribution and ressources of pathogen data platforms
<p>Aggregated data used to generate the plots in our publication entitled:</p><blockquote><p>A survey into the contribution of regional/national pathogen data platforms and on the resources needed to develop and maintain them</p></blockquote><p><strong>Abstract</strong>:</p><p><strong>Background: </strong>Regional/national SARS-CoV-2 genomic data platforms (DP) have played a key role during the Covid-19 pandemic to centralize data, curate, process and re-share them in a consistent form and anonymized to international repositories. In Europe, several countries were able to establish such infrastructures rapidly and put them in production over the course of 2021, some earlier. </p><p><strong>Methods:</strong> This survey aimed to estimate the effort that was needed to establish and run these DPs during the sequencing peak of the pandemic in 2021, including activities from data curation to data brokering, and what it would take to expand these DPs to other pathogens and antimicrobial resistance from 2023 onwards. </p><p><strong>Results:</strong> Overall, a median of 10 PM were used by each DP over 2021 and a median of 18 PM (per year) would be needed to expand activities from 2023 onwards. This survey shows that short-term funding remains commonplace and a struggle for the majority of DPs. Key supporters and arguments (e.g. centered around efficiency and cost-savings) for public health authorities and research funding bodies have also been identified to help individual data platforms in strengthening their funding proposals. <strong>Conclusions:</strong> Ultimately, we propose that DPs get connected into a supra-national entity to build a stronger case and get access to major infrastructure funding grants at the European level.</p>
A Study to Determine Iatrogenic Hyperinsulinemia's Contribution to Insulin Resistance and Endothelial Dysfunction in Type 1 Diabetes
ClinicalTrials.gov study NCT04118374. IPD Sharing: YES. Countries: 1. Publications: 1.
Survival Endpoints in Women Treated for Metastatic Breast Cancer: Contribution of Real-life Databases
ClinicalTrials.gov study NCT03676257. IPD Sharing: NO. Countries: 1. Publications: 1.
Incontinence & Intimate Partners: Assessing the Contribution of Treatment
ClinicalTrials.gov study NCT01559389. IPD Sharing: NO. Countries: 1. Publications: 19.
Oscillatory Contributions to Working Memory and Attention
ClinicalTrials.gov study NCT03787134. IPD Sharing: NO. Countries: 1. Publications: 4.
ContriBution of Digital RemOte MoniToring to IMPROVing The Effectiveness of Treatment in Patients With Chronic Heart Failure With Low Ejection Fraction
ClinicalTrials.gov study NCT06304753. IPD Sharing: NO. Countries: 1. Publications: 0.
Biomarkers for Vascular Contributions to Cognitive Impairment and Dementia Consortium
ClinicalTrials.gov study NCT06284213. IPD Sharing: YES. Countries: 1. Publications: 3.
Feasibility Study on the Contribution of Guided Puncture With Echoendoscopy
ClinicalTrials.gov study NCT01892501. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Contribution of Hyperinsulinemia vs. Hyperglycemia to Insulin Resistance in Type 1 Diabetes and Maturity Onset Diabetes of the Young, Type 2 (MODY2)
ClinicalTrials.gov study NCT02971202. IPD Sharing: YES. Countries: 1. Publications: 1.
Interannual variation in climate contributes to contingency in post-fire restoration outcomes in seeded sagebrush steppe
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Data from: Species-specific variation in germination rates contributes to spatial coexistence more than adult plant water use in four closely-related annual flowering plants
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Dataset for: Plasticity and genetic effects contribute to different axes of neural divergence in a community of mimetic Heliconius butterflies
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Soil fungal communities contribute to the positive diversity-productivity relationship of tree communities under contrasting water availability
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Data from: Disentangling the relative contributions of factors determining seed physical defence: a global-scale data synthesis
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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.