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11 results for “resurrection plant”
Data from: Combining the resurrection approach with transplant experiments to investigate adaptation of plant populations to environmental change
<p>Recent climatic changes, such as more frequent droughts and heatwaves, can lead to rapid evolutionary adaptations in plant populations. Such rapid evolution can be investigated using the resurrection approach by comparing plants raised from stored ancestral and contemporary seeds from the same population. This approach has so far only been used in common garden experiments, allowing it to reveal genetic differentiation but not adaptation. In this study, we performed a novel approach by testing for evolutionary adaptation in natural plant populations using a resurrection study in combination with in situ transplantations. We cultivated seedlings from ancestors (23–26 years old) and contemporary descendants of three perennial species (<em>Melica ciliata, Leontodon hispidus</em> and <em>Clinopodium vulgare</em>) from calcareous grasslands in the greenhouse and transplanted them back to their collection sites. In addition, we sowed seeds of ancestors and descendants of two species (<em>L. hispidus</em> and <em>C. vulgare</em>) to the collection sites in order to investigate germination rates. In transplanted <em>M. ciliata</em> seedlings, we observed lower mortality and larger plant size in descendants compared to ancestors. This indicates that descendants are better adapted than ancestors to the current environmental conditions, which proved to be exceptionally hot and dry during the study period. Descendants of <em>C. vulgare</em> seedlings tended to be smaller and descendants of <em>L. hispidus</em> seedlings produced fewer leaves compared to their ancestors in their contemporary environmental conditions. In <em>C. vulgare</em> and <em>L. hispidus</em>, we found evolution towards faster germination, and especially descendant seeds of <em>C. vulgare</em> were better adapted to the unfavourable conditions during the experimental period. Concluding, we demonstrate that our novel approach to combine resurrection ecology with transplant experiments is a promising avenue to rigorously test for evolutionary adaptations in changing environments.</p>
Rapid divergent evolution of an annual plant across a latitudinal gradient revealed by seed resurrection
<p>Global change is expected to drive short-term evolution of natural populations. However, it remains unclear whether different populations are changing in unison. Here, we study contemporary evolution of growth-related and reproductive traits of three populations of <i>Cyanus segetum</i> face to warming and pollinator decline across a latitudinal gradient in France. We resurrected stored seeds sampled up to 24 years apart from northern, central-western, and southern populations and conducted an <i>in situ</i> common-garden experiment. To disentangle neutral from selection-driven differentiation, we calculated neutral genetic differentiation (<i>F<sub>ST</sub></i>) and quantitative trait differentiation (<i>Q<sub>ST</sub></i>) between temporal samples. We found that phenotypic evolution was divergent across populations exhibiting different trends for rosette size, date of flowering, and capitula size. By measuring seed set as a proxy of fitness, we showed that samples with larger mean capitula size outperformed samples with smaller mean capitula size in the western and southern populations. Regression of traits on seed set showed that flowering date and capitula size are the primary determinants of fitness, and <i>Q<sub>ST</sub>-F<sub>S</sub></i><i><sub>T</sub></i> comparisons indicated that natural selection has likely contributed to the shifts in flowering phenology and rosette size. These findings outline the potential for rescue of natural populations through contemporary evolution and emphasize the complex interplay between spatial and temporal variation in species' responses to global change.</p>
Rapid divergent evolution of an annual plant across a latitudinal gradient revealed by seed resurrection
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Data from: Combining the resurrection approach with transplant experiments to investigate adaptation of plant populations to environmental change
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Data from: Carbon assimilation and habitat segregation in resurrection plants: a comparison between desiccation- and non-desiccation-tolerant species of Neotropical Velloziaceae (Pandanales)
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Data from: Quantifying temporal change in plant population attributes: insights from a resurrection approach
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Data from: Evolutionary changes in plant tolerance against herbivory through a resurrection experiment
Both theoretical and empirical works have highlighted the difference in the evolutionary implications of host resistance and tolerance against their enemies. However, it has been difficult to show evolutionary changes in host defences in natural populations; thus, evaluating theoretical predictions of simultaneous evolution of defences remains a challenge. We studied the evolutionary changes in traits related to resistance and tolerance against herbivory in a natural plant population using seeds from two collections made in a period of 20 years. In a common garden experiment, we compared defensive traits of ancestral (1987) and descendant (2007) subpopulations of the annual plant Datura stramonium that shows genetic variation for tolerance and to which the specialist herbivore Lema daturaphila is locally adapted. We also examined the effects of different plant genotypes on the herbivore for testing the plant genetic variation in resistance. Based on the response to the contemporary herbivore populations, results revealed a nonsignificant response in plant resistance traits (herbivore consumption, foliar trichomes and tropane alkaloids), but a significant one in tolerance. The survival of herbivores in laboratory experiments depended on the plant genotype, which suggests genetic variation in plant resistance. Although we cannot identify the selective agent for the change nor exclude genetic drift, the results are consistent with the expectation that when resistance fails to control herbivory, tolerance should play a more important role in the evolution of the interaction.
Data from: Evolutionary changes in plant tolerance against herbivory through a resurrection experiment
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DNA methylation-mediated modulation of rapid desiccation tolerance acquisition and dehydration stress memory in the resurrection plant Boea hygrometrica
GEO Series GSE158737. Dorcoceras hygrometricum. 51 samples. Type: Expression profiling by high throughput sequencing; Methylation profiling by high throughput sequencing.
Desiccation-driven senescence in the resurrection plant Xerophyta schlechteri
GEO Series GSE168229. Xerophyta schlechteri. 51 samples. Type: Expression profiling by high throughput sequencing.
The transcriptome response of leaves of the resurrection plant Xerophyta humilis to desiccation
GEO Series GSE34952. Xerophyta humilis. 30 samples. Type: Expression profiling by array.
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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.
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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.