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Dataset results
23 results for “Evolutionary physiology”
Data from: Sexual selection and population spatial structure interact to shape sex-specific evolutionary responses in physiology
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Evolutionary trade-offs may interact with physiological constraints to maintain color variation
<p>Animal coloration is a multifaceted trait with many ecological roles and related to a variety of developmental and physiological processes. Consequently, coloration is often subject to a variety of selective pressures, leading to the evolutionary maintenance of variation. In this study, we investigated hypotheses related to the maintenance of dorsal color variation in wood frogs (<i>Rana sylvatica</i>). First, we tested for multimodality, and whether color correlates with body size or condition or varies by sex or age-class. We combined behavioral trials with visual modeling to test for sex recognition. We also considered visual models for predators and tested for an interaction between discriminability indexes (JND) of color channel (chromatic vs. achromatic) and predator type (birds vs. snakes), as well as for a within individual trade-off between the JND of chromatic and achromatic coloration. Finally, we tested for disruptive viability selection on color using predation trials, and for antagonistic directional selection between viability selection and reproductive investment of females. We found that wood frogs present continuous color variation that does not correlate with body size or condition, but that changes with age. Wood frogs present subtle sexual dichromatism, but we found no evidence for a role of color in sex recognition. Instead, we discuss the possibility that sex differences might, at least in part, have a demographic explanation. Predator visual models indicated that wood frogs cannot solely rely on dorsal coloration for camouflage. Moreover, different predators might present selective pressures in different color channels, while individuals' achromatic and chromatic coloration trade-off in JND. Therefore, different selective pressures caused by different predators might interact with ontogenetic changes and developmental/physiological trade-offs to maintain color variation. We found no relationship between color and survival or reproductive investment, suggesting further work is required to fully understand selection on color. Our results highlight the importance of understanding evolutionary trade-offs and developmental/physiological constraints in combination with one another, and suggest the potential for an interaction between these proximate and ultimate mechanisms in the evolutionary maintenance of variation. These results likely extend beyond color expression in amphibians, and exemplify a more general process for such evolutionary outcomes.</p>
Evolutionary trade-offs may interact with physiological constraints to maintain color variation
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Data from: Physiological and genomic signatures of evolutionary thermal adaptation in redband trout from extreme climates
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Data from: Using artificial intelligence classification of videos to examine the environmental, evolutionary and physiological constraints on provisioning behavior
<p>The use of artificial intelligence (AI) technologies can revolutionize how we approach data collection and analysis in behavioral ecology. One such example is in provisioning behavior. Parents of altricial species are selected to provide parental care (such as food provisioning) for their offspring, but there is substantial variation in the level of this care. Provisioning rate may be determined environmentally, by the physiological ability of parents and needs of nestlings, or by evolutionary incentives. We quantified provisioning rate in 20 purple martin (<i>Progne subis</i>) nests in the context of an experimental reduction of nest ectoparasites. 10 nests had a parasite reduction treatment, and 10 nests were controls. By using AI to automate the analysis of nest camera videos we were able to obtain nearly-continuous provisioning rate information at a high temporal resolution for the first half of the nestling period. We used random forest modeling to assess the factors determining provisioning rate and found evidence for environmental, evolutionary and physiological constraints and incentives on provisioning. Birds appeared to be environmentally limited in their provisioning in cool, wet conditions, especially later in the breeding season; but adjusted their provisioning according to the changing physiological needs of nestlings. We found evidence for a compensatory response to increased parasite load, in which parents increased provisioning to more heavily parasitized nests.</p>
Data from: Using artificial intelligence classification of videos to examine the environmental, evolutionary and physiological constraints on provisioning behavior
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Data from: A novel degree of sex difference in laryngeal physiology of Xenopus muelleri: behavioral and evolutionary implications
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A previously uncharacterized Kidney-Associated Membrane Protein (KAMP) is associated with evolutionary adaptation, energy balance and kidney physiology
GEO Series GSE206860. Mus musculus. 5 samples. Type: Expression profiling by high throughput sequencing.
A Pig BodyMap Transcriptome Reveals Diverse Tissue Physiologies and Evolutionary Dynamics of Transcription [Spatial transcriptomic]
GEO Series GSE161882. Sus scrofa. 2 samples. Type: Expression profiling by high throughput sequencing; Other.
A Pig BodyMap Transcriptome Reveals Diverse Tissue Physiologies and Evolutionary Dynamics of Transcription
GEO Series GSE162148. Sus scrofa; Mus musculus; Felis catus; Ovis aries; Oryctolagus cuniculus; Rattus norvegicus; Gallus gallus; Macaca mulatta; Homo sapiens; Canis lupus familiaris; Cavia porcellus. 553 samples. Type: Expression profiling by high throughput sequencing; Genome binding/occupancy profiling by high throughput sequencing; Non-coding RNA profiling by high throughput sequencing.
Physiological and Molecular Characterization of an Oxidative Stress-Resistant Saccharomyces cerevisiae Strain Obtained by Evolutionary Engineering
GEO Series GSE184952. Saccharomyces cerevisiae. 6 samples. Type: Non-coding RNA profiling by array.
A Pig BodyMap Transcriptome Reveals Diverse Tissue Physiologies and Evolutionary Dynamics of Transcription [miRNA-Seq]
GEO Series GSE162147. Sus scrofa. 187 samples. Type: Non-coding RNA profiling by high throughput sequencing.
A Pig BodyMap Transcriptome Reveals Diverse Tissue Physiologies and Evolutionary Dynamics of Transcription [RNA-Seq for pig and rat]
GEO Series GSE162146. Sus scrofa; Rattus norvegicus. 8 samples. Type: Expression profiling by high throughput sequencing.
An ancient competition for the conserved branchpoint sequence influences physiological and evolutionary outcomes in splicing
GEO Series GSE273838. Saccharomyces cerevisiae BY4741. 6 samples. Type: Expression profiling by high throughput sequencing.
A Pig BodyMap Transcriptome Reveals Diverse Tissue Physiologies and Evolutionary Dynamics of Transcription [RNA-Seq across species]
GEO Series GSE162142. Macaca mulatta; Felis catus; Canis lupus familiaris; Cavia porcellus; Mus musculus; Rattus norvegicus; Gallus gallus; Ovis aries; Oryctolagus cuniculus. 142 samples. Type: Expression profiling by high throughput sequencing.
A Pig BodyMap Transcriptome Reveals Diverse Tissue Physiologies and Evolutionary Dynamics of Transcription [RNA-Seq pig]
GEO Series GSE162145. Sus scrofa. 194 samples. Type: Expression profiling by high throughput sequencing; Non-coding RNA profiling by high throughput sequencing.
A Pig BodyMap Transcriptome Reveals Diverse Tissue Physiologies and Evolutionary Dynamics of Transcription [human Hi-C]
GEO Series GSE162139. Homo sapiens. 3 samples. Type: Genome binding/occupancy profiling by high throughput sequencing.
Data from: Adjustable temperature array for characterising ecological and evolutionary effects on thermal physiology
1. To accurately characterise a species' thermal niche and aid in predicting effects of climate change we must not only include information on thermal tolerances and physiological responses to changing temperatures, but also incorporate ecological effects and evolutionary processes that may shape a species' niche. However, quickly and practically collecting data on key factors such as adaptation potential, behaviour, effects of species interactions, plasticity, and thermal tolerances is logistically challenging. 2. We have therefore created an adjustable temperature array (ATA) to assist with experimental ecology and evolution research. ATA's are a row of independent temperature points controlled and set by the user and made from commercially-available parts. This allows the user to create unique thermal landscapes relevant to their study organism(s) and question(s). Further, the option of using an enclosed cage allows the user to answer questions at the individual, population, or community level in the context of changing thermal environments. ATA's are able to be user-set to constant or dynamic temperature regimes and are designed for use on small animals (e.g., fruit flies, beetles, mosquitoes) or plants (e.g., germinating seeds). 3. We have tested and confirmed the accuracy of the ATA to several thermal landscapes that would be useful for experimental ecology and evolution, including: 1) coarse resolution of a broad thermal niche ranging from 12° to 42°C in 2°C intervals (R2= 0.998); 2) fine resolution of a narrow thermal niche ranging from 15° to 32°C in 1°C intervals (R2= 0.997); 3) a pyramid-shaped niche consisting of a gradient from 14° to 30°C in 2°C intervals (R2 = 0.997); and 4) a very narrow thermal niche with replicate thermal resources ranging from 26.5° to 34°C in 1.5°C. intervals (R2= 0.989). 4. The equipment described here is an important tool for thermal niche studies and will aid in gathering information on effects of ecological and evolutionary processes to create a comprehensive picture of species responses to climate change.
Evidence for physiological niche expansion of an intertidal flatworm associated with increasing precipitation: Evolutionary rescue in the wild?
<p>Data associated with the manuscript 'Evidence for physiological niche expansion of an intertidal flatworm associated with increasing precipitation: Evolutionary rescue in the wild?'.</p>
A Pig BodyMap Transcriptome Reveals Diverse Tissue Physiologies and Evolutionary Dynamics of Transcription [RNA-Seq human]
GEO Series GSE162143. Homo sapiens. 3 samples. Type: Expression profiling by high throughput sequencing.
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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.