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145 results for “Plasticity variation”
Data from: DNA methylation mediates genetic variation for adaptive transgenerational plasticity
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Data from: Habitat-related variation in the plasticity of a UV sensitive photoreceptor over a small spatial scale in the palmate newt
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Data from: Evolution of root plasticity responses to variation in soil nutrient distribution and concentration
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Data from: Phenotypic plasticity, but not adaptive tracking, underlies seasonal variation in post-cold hardening freeze tolerance of Drosophila melanogaster
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Species responses to changing precipitation depends on trait plasticity rather than trait means and intraspecific variation
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Data from: Heritability, evolvability, phenotypic plasticity and temporal variation in sperm-competition success of Drosophila melanogaster
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Ancestral genetic variation in phenotypic plasticity underlies rapid evolutionary changes in resurrected populations of waterfleas
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Data from: Cellular basis of morphological variation and temperature-related plasticity in Drosophila melanogaster strains with divergent wing shapes
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Data from: Selection in a fluctuating environment leads to decreased genetic variation and facilitates the evolution of phenotypic plasticity
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Data from: How much do phenotypic plasticity and local genetic variation contribute to phenotypic divergences along environmental gradients in widespread invasive plants? A meta-analysis
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Data from: How to measure maturation: a comparison of probabilistic methods used to test for genotypic variation and plasticity in the decision to mature
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Data from: Variation in plastic responses of a globally distributed picoplankton species to ocean acidification
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Data from: Adaptive genetic potential and plasticity of trait variation in the foundation prairie grass Andropogon gerardii across the US Great Plains’ climate gradient: Implications for climate change and restoration
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Data from: Genetic divergence and phenotypic plasticity contribute to variation in cuticular hydrocarbons in the seaweed fly Coelopa frigida
Cuticular hydrocarbons (CHCs) form the boundary between insects and their environments and often act as essential cues for species, mate and kin recognition. This complex polygenic trait can be highly variable both among and within species, but the causes of this variation, especially the genetic basis, are largely unknown. In this study, we investigated phenotypic and genetic variation of CHCs in the seaweed fly, C. frigida, and found that composition was affected by both genetic (sex and population) and environmental (larval diet) factors. We subsequently conducted behavioral trials that show CHCs are likely used as a sexual signal. We identified general shifts in CHC chemistry as well as individual compounds and found that the methylated compounds, mean chain length, proportion of alkenes, and normalized total CHCs differed between sexes and populations. We combined this data with whole genome re-sequencing data to examine the genetic underpinnings of these differences. We identified 11 genes related to CHC synthesis and found population level outlier SNPs in 5 that are concordant with phenotypic differences. Together these results reveal that the CHC composition of C. frigida is dynamic, strongly affected by the larval environment, and likely under natural and sexual selection.
Data from: Metabolic scope as a proximate constraint on individual behavioral variation: effects on 'personality', plasticity, and predictability
Behavioral ecologists have hypothesized that among-individual differences in resting metabolic rate (RMR) may predict consistent individual differences in mean values for costly behaviors, or for behaviors that affect energy intake rate. This hypothesis has empirical support and presently attracts considerable attention, but notably it does not provide predictions for individual differences in (a) behavioral plasticity or (b) unexplained variation (residual variation from mean individual behavior, here termed predictability). We outline how consideration of aerobic maximum metabolic rate (MMR) and particularly aerobic scope (= MMR - RMR) can be used to simultaneously make predictions about mean, among- and within-individual variation in behavior. We predict that while RMR should be proportional to an individuals' mean level of sustained behavioral activity (one aspect of its personality), individuals with greater aerobic scope will also have greater scope to express behavioral plasticity and/or greater unpredictability in behavior (= greater residual variation). As a first step towards testing these predictions, we analyse existing activity data from selectively bred lines of mice that differ in both daily activity and aerobic scope. We find that replicate high-scope mice are more active on average, show greater among-individual variation in activity, greater among-individual variation in plasticity, and greater unpredictability. These data provide some tentative first support for our hypothesis, suggesting that further research on this topic would be valuable.
Data from: Evolution and plasticity of thermal performance: An analysis of variation in thermal tolerance and fitness in 22 Drosophila species
The thermal biology of ectotherms is often used to infer species' responses to changes in temperature. It is often proposed that temperate species are more cold-tolerant, less heat-tolerant, more plastic, have broader thermal performance curves (TPCs), and lower optimal temperatures, when compared to tropical species; however, relatively little empirical work has investigated these expectations. Here we measure thermal tolerance limits and thermal performance of the fitness components viability, developmental speed, and fecundity at seven temperatures in 22 species of Drosophila reared at a common temperature. For 10 of these species, we also measured thermal tolerance and thermal performance following developmental acclimation to three additional temperatures. Using these data, we test several fundamental hypotheses about the evolution and plasticity of heat and cold resistance and thermal performance. We find that cold (and to a lesser degree heat) tolerance varied between the species in a predictable pattern. This confirms the marked effect of evolutionary adaptation and acclimation on thermal tolerance. However, contrary to expectation, find that the breadth of thermal performance in fitness traits were similar in temperate, widespread and tropical species and we also find that the plasticity of TPCs is constrained. These data support the idea that thermal tolerance limits have evolved in response to extreme environmental conditions that limits species persistence whereas the temperature range for optimal thermal performance is likely under selection by the temperatures that prevail during the more benign seasons. Further, it calls to question the utility of TPCs in inferring ecological adaptation. We conclude that the thermal performance of fitness traits in Drosophila species are temporally and spatially stable and that thermal tolerance varies considerably across latitudes.
Data from: Biogeography of a plant invasion: genetic variation and plasticity in latitudinal clines for traits related to herbivory
The juxtaposition of plant-species invasions with latitudinal gradients in herbivore pressure is an important yet mostly unexplored issue in invasion biology. Latitudinal clines in defense and palatability to herbivores are expected to exist in native plant species but the evolution of these clines may lag behind for invasive plant species resulting in non-parallel latitudinal clines that may impact invasion success. Our study focused on a native and European invasive lineages of the common reed Phragmites australis in North America. Using native and invasive genotypes of P. australis collected across a 17° latitudinal range, we performed experiments in replicate northern and southern common gardens to investigate whether these two lineages exhibited different genetically based latitudinal clines in defenses, nutritional condition and palatability to their herbivores, the aphid Hyalopterus pruni and the fall armyworm Spodoptera frugiperda. We also tested whether invasive genotypes are more phenotypically plastic than native genotypes and whether plasticity varies with latitude. Although invasive genotypes did not exhibit higher defense levels (leaf toughness, phenolics, % carbon), they were considerably less palatable to their herbivores than native genotypes. Genetic-based latitudinal clines were evident for both native and invasive P. australis and for all defenses, nutrients and at least one palatability trait for each herbivore. In 36% of the cases where clines were evident, they were non-parallel between the two lineages. These data suggest that clines in the invasive genotypes of P. australis evolved within the past ~100 years. Moreover, our study showed that the occurrence and direction of latitudinal clines in plant traits were commonly dependent on where the study was conducted (north or south), indicating strong phenotypic plasticity in these genetic-based clines. Finally, traits for invasive genotypes of P. australis were 2.5 times more plastic than traits for native genotypes. Interestingly, plasticity for native but not invasive genotypes was strongly dependent on latitude of origin. Such spatial heterogeneity within and between the native and invasive lineages of P. australis with respect to their interactions with herbivores can generate substantial spatial variability in biotic resistance that can have important implications for the establishment and spread of invasive genotypes and species.
Data and R scripts for: Variation in phenotypic plasticity across age-at-maturity genotypes in wild Atlantic salmon
<p>Data and R-scripts underlying the statistical analyses of the study. </p>
Variations of Immune Infiltrate and Cell Plasticity Markers in Treated Metastatic Melanoma Patients
ClinicalTrials.gov study NCT05029791. IPD Sharing: NO. Countries: 1. Publications: 0.
Data from: Evolution and plasticity of thermal performance: An analysis of variation in thermal tolerance and fitness in 22 Drosophila species
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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.