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Dataset results
62 results for “mixed population”
Data from: Sexual antagonism in the pistil varies among populations of a hermaphroditic mixed-mating plant
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Data from: Observations of migrant exchange and mixing in a coral reef fish metapopulation link scales of marine population connectivity
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Mixing genetically differentiated populations successfully boosts diversity of an endangered carnivore
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Data from: Demographic and population-genetic tests provide mixed support for the abundant center hypothesis in the endemic plant Leavenworthia stylosa
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Data from: Closing the gap: avian lineage splits at a young, narrow seaway imply a protracted history of mixed population response
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Mixed mating in a multi-origin population suggests high potential for genetic rescue in North Island brown kiwi, Apteryx mantelli
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Data from: STRUCTURE is more robust than other clustering methods in simulated mixed-ploidy populations
Analyses of population genetic structure has become a standard approach in population genetics. In polyploid complexes, clustering analyses can elucidate the origin of polyploid populations and patterns of admixture between different cytotypes. However, combining diploid and polyploid data can theoretically lead to biased inference with (artefactual) clustering by ploidy. We used simulated mixed-ploidy (diploid-autotetraploid) data to systematically compare the performance of k-means clustering and the model-based clustering methods implemented in STRUCTURE, ADMIXTURE, FASTSTRUCTURE and INSTRUCT under different scenarios of differentiation and with different marker types. Under scenarios of strong population differentiation, the tested applications performed equally well. However, when population differentiation was weak, STRUCTURE was the only method that allowed unbiased inference with markers with limited genotypic information (co-dominant markers with unknown do sage or dominant markers). Still, since STRUCTURE was comparably slow the much faster but less powerful FASTSTRUCTURE provides a reasonable alternative for large datasets. Finally, although bias makes k-means clustering unsuitable for markers with incomplete genotype information, given large numbers of loci (>1000) with known dosage k-means clustering was superior to FASTSTRUCTURE in terms of power and speed. We conclude that STRUCTURE is the most robust method for the analysis of genetic structure in mixed-ploidy populations, although alternative methods should be considered under some specific conditions.
Data from: Population-level dynamics in experimental mixed infections: evidence for competitive exclusion among bacterial parasites of Paramecium caudatum
Parasites frequently share their host populations with other parasites. However, little is known about how different parasites respond to competition with diverse competitor species in the within-host and between-host environments. We explored the repeatability of competition by simultaneously exposing microcosm populations of the ciliate Paramecium caudatum to pairs of parasites from the Holospora species complex (H. undulata, H. caryophila and H. obtusa) affected the persistence and prevalence of each compared to single infections, across three host genotypes. Three weeks post-inoculation we identified the presence of each parasite using fluorescence in situ hybridisation (FISH). Competitive exclusion (62/72) was more common than co-existence (10/72) in populations inoculated with 2 parasites. There was a clear pattern of competitive superiority, with H. caryophila persisting in all doubly inoculated populations (with either H. undulata or H. obtusa), and H. undulata tending to exclude H. obtusa. This mirrored infection success in single infections, with H. caryophila having a higher infection prevalence in single inoculations, followed by H. undulata then H. obtusa. The probability of persistence in co-inoculations did not change across the different host genotypes, and prevalence was the same as in single infections. Our results are consistent with superinfection models, which assume the competitive exclusion of parasites upon contact within the same host. Furthermore, such non-random competitive epidemiological dynamics, where one parasites always wins, may be of interest for public health management, especially if the winning parasite is avirulent, as is seemingly the case here.
Mercury and Arsenic muscle concentration data as used in "Mixed model approaches can leverage database information to improve the estimation of size-adjusted contaminant concentrations in fish populations"
<p>These mercury and arsenic concentration data, as recieved from Gretchen Lescord, and downloaded from the MOE fish contaminant database, were used to create the publication Mixed model approaches can leverage database information to improve the estimation of size-adjusted contaminant concentrations in fish populations. The markdown and code used for the analysis of this data can be found on Github at https://github.com/GLFC-WET/HGAS_master.</p>
Computational results for the study "Computational evolution of social norms in well-mixed and group-structured populations"
<p>This is a collection of computational results for "Computational evolution of social norms in well-mixed and group-structured populations."</p> <p>The source code is available at https://github.com/yohm/sim_evo_social_norms</p>
Exploration of Central Venous Catheter Protective Devices in the Pediatric Population: A Mixed Methods Study
ClinicalTrials.gov study NCT05415449. IPD Sharing: UNDECIDED. Countries: 1. Publications: 0.
Data from: Mixed population genomics support for the central marginal hypothesis across the invasive range of the cane toad (Rhinella marina) in Australia
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Data from: STRUCTURE is more robust than other clustering methods in simulated mixed-ploidy populations
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Data from: Population-level dynamics in experimental mixed infections: evidence for competitive exclusion among bacterial parasites of Paramecium caudatum
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Huh7 cells exist as a mixed population of cells with distinct patterns of gene methylation
GEO Series GSE31960. Homo sapiens. 6 samples. Type: Methylation profiling by genome tiling array.
SNAT - RNA sequencing of sorted Schwann cells as a single mixed population, enriched in myelinating Schwann cells, or enriched in not-myelinating Schwann cells
GEO Series GSE137947. Mus musculus. 12 samples. Type: Expression profiling by high throughput sequencing.
Evaluation of Medium Chain Triglycerides in a Mixed Racial Population of Patients: a Feasibility Study
ClinicalTrials.gov study NCT02783703. IPD Sharing: NO. Countries: 1. Publications: 0.
A Study to Evaluate and Compare Injections of Autologous Mixed Population of Dermal Cells Cells Into the Balding Scalp of Subjects With Hair Loss (CA-0006931)
ClinicalTrials.gov study NCT01669746. IPD Sharing: Not stated. Countries: 1. Publications: 0.
A Study to Evaluate and Compare Injections of Autologous Mixed Population of Dermal Cells Into the Balding Scalp of Subjects With Hair Loss (CA-0005995)
ClinicalTrials.gov study NCT01451190. IPD Sharing: Not stated. Countries: 1. Publications: 0.
A Study to Evaluate and Compare Injections of Autologous Mixed Population of Dermal Cells Into the Balding Scalp of Subjects With Hair Loss (CA-0004542)
ClinicalTrials.gov study NCT01451151. IPD Sharing: Not stated. Countries: 1. Publications: 0.
ScienceDex guides
Understand access before you commit
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.