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119
datasets available to search
ShareScore release 0.7.1
Dataset results
119 results for “ecological genomics”
Data from: Genome-wide admixture and ecological niche modeling reveal the maintenance of species boundaries despite long history of interspecific gene flow
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Data from: Genomics of parallel ecological speciation in Lake Victoria cichlids
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Genomics confirms surprising ecological divergence and isolation in an endangered butterfly
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Data from: The ecological and genomic basis of explosive adaptive radiation
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Data from: The genomic bases of morphological divergence and reproductive isolation driven by ecological speciation in Senecio (Asteraceae)
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Data from: Genome assembly and annotation of Arabidopsis halleri, a model for heavy metal hyperaccumulation and evolutionary ecology
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Data from: Ecological genomics of local adaptation in Cornus florida L. by genotyping by sequencing
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Data from: Genomic landscape of early ecological speciation initiated by selection on nuptial colour
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Data from: Experimental evidence of genome-wide impact of ecological selection during early stages of speciation-with-gene-flow
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Data from: Genomics of rapid ecological divergence and parallel adaptation in four tidal marsh sparrows
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Data from: Selection and genomic differentiation during ecological speciation: isolating the contributions of host association via a comparative genome scan of Neochlamisus bebbianae leaf beetles
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Genome reduction is associated with bacterial pathogenicity across different scales of temporal and ecological divergence - between species core gene alignments
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Data from: Ecological factors and morphological traits are associated with repeated genomic differentiation between lake and stream stickleback
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Data from: Population genomics of Sitka black-tailed deer supports invasive species management and ecological restoration on islands
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Data from: Ecological speciation in sympatric palms: 3. genetic map reveals genomic islands underlying species divergence in Howea
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Data from: Combining landscape genomics and ecological modelling to investigate local adaptation of indigenous Ugandan cattle to East Coast fever
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Data from: Forecasting range shifts of a cold-adapted species under climate change: are genomic and ecological diversity within species crucial for future resilience?
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The roles of recombination and selection in shaping genomic divergence in an incipient ecological species complex
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Data from: Shared patterns of genome-wide differentiation are more strongly predicted by geography than by ecology.
Closely related populations often display similar patterns of genomic differentiation, yet it remains an open question which ecological and evolutionary forces generate these patterns. The leading hypothesis is that this similarity in divergence is driven by parallel natural selection. However, several recent studies have suggested that these patterns may instead be a product of the depletion of genetic variation that occurs as result of background selection (i.e. linked negative selection). To date, there have been few direct tests of these competing hypotheses. To determine the relative contributions of background selection and parallel selection to patterns of repeated differentiation, we examined 24 independently derived populations of freshwater stickleback occupying a variety of niches and estimated genomic patterns of differentiation in each relative to their common marine ancestor. Patterns of genetic differentiation were strongly correlated across pairs of freshwater populations adapting to the same ecological niche, supporting a role for parallel natural selection. In contrast to other recent work, by examining populations adapting to the same niche we did not find evidence that similar patterns of genomic differentiation are generated by background selection. We also found that overall patterns of genetic differentiation were considerably more similar for populations found in closer geographic proximity. In fact, the effect of geography on the repeatability of differentiation was greater than that of parallel selection. Our results suggest that shared selective landscapes and ancestral variation are the key drivers of repeated patterns of differentiation in systems that have recently colonized novel environments.
Data from: Genomic evidence for ecological divergence against a background of population homogeneity in the marine snail Chlorostoma funebralis
The balance between natural selection, gene flow and genetic drift is difficult to resolve in marine invertebrates with extensive dispersal and fluctuating population sizes. The intertidal snail Chlorostoma funebralis has planktonic larvae and previous work using mtDNA polymorphism reported no genetic population structure. Nevertheless, recent studies have documented differences in thermal tolerance and transcriptomic responses to heat stress between northern and southern California, USA, populations. To gain insight into the dynamics influencing adaptive divergence, we used double-digest restriction site-associated DNA (ddRAD) sequencing to identify 1861 genomewide, quality-filtered single-nucleotide polymorphism (SNP) loci for C. funebralis collected from three northern and three southern California sites (15 individuals per population). Considering all SNPs, there was no evidence for genetic differentiation among populations or regions (average FST = 0.0042). However, outlier tests revealed 34 loci putatively under divergent selection between northern and southern populations, and structure and SNP tree analyses based on these outliers show clear genetic differentiation between geographic regions. Three of these outliers are known or hypothesized to be involved in stress granule formation, a response to environmental stress such as heat. Combined with previous work that found thermally tolerant southern populations show high baseline expression of stress response genes, these results further suggest that thermal stress is a strong selective pressure across C. funebralis populations. Overall, this study increases our understanding of the factors constraining local adaptation in marine organisms, while suggesting that ecologically driven, strong differentiation can occur at relevant loci in a species with planktonic larvae.
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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.