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182 results for “planted experiment”
Supplementary material 1 from: Migliorini D, Auger-Rozenberg M-A, Battisti A, Brockerhoff E, Brockerhoff E, Eschen R, Fan J-t, Jactel H, Orazio C, Paap T, Prospero S, Ren L, Kenis M, Roques A, Santini A (2023) Towards a global sentinel plants research strategy to prevent new introductions of non-native pests and pathogens in forests. The experience of HOMED. Research Ideas and Outcomes 9: e96744. https://doi.org/10.3897/rio.9.e96744
File 1
Dataset of previous experiments in Demosite 3 pilot plant. Part 2
<p>Part 2: Data collected for the application of advanced oxidation processes in pilot plant for implementation of MOBILE3TECH at Demosite 3, from November 2021 to June 2022.</p>
Dataset of previous experiments in Demosite 3 pilot plant
<pre>Part 1: Data collected for the application of advanced oxidation processes in pilot plant for implementation of MOBILE3TECH at Demosite 3, from November 2021 to June 2022. </pre>
Data from: Urine is an important nitrogen source for plants irrespective of vegetation composition in an Arctic tundra: insights from a 15N-enriched urea tracer experiment
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Data from: Effects of plant functional group loss on soil biota and net ecosystem exchange: a plant removal experiment in the Mongolian grassland
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Data from: Female fecundity variation affects reproducibility of experiments on host plant preference and acceptance in a phytophagous insect
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Data from: Impact of temperature and nutrients on carbon: nutrient tissue stoichiometry of submerged aquatic plants: an experiment and meta-analysis
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Data from: Plant, soil and microbial controls on grassland diversity restoration: a long-term, multi-site mesocosm experiment
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Data from: A field experiment demonstrating plant life-history evolution and its eco-evolutionary feedback to seed predator populations
The extent to which evolutionary change occurs in a predictable manner under field conditions and how evolutionary changes feed back to influence ecological dynamics are fundamental, yet unresolved, questions. To address these issues, we established eight replicate populations of native common evening primrose (Oenothera biennis). Each population was planted with 18 genotypes in identical frequency. By tracking genotype frequencies with microsatellite DNA markers over the subsequent three years (up to three generations, ≈5,000 genotyped plants), we show rapid and consistent evolution of two heritable plant life-history traits (shorter life span and later flowering time). This rapid evolution was only partially the result of differential seed production; genotypic variation in seed germination also contributed to the observed evolutionary response. Since evening primrose genotypes exhibited heritable variation for resistance to insect herbivores, which was related to flowering time, we predicted that evolutionary changes in genotype frequencies would feed back to influence populations of a seed predator moth that specializes on O. biennis. By the conclusion of the experiment, variation in the genotypic composition among our eight replicate field populations was highly predictive of moth abundance. These results demonstrate how rapid evolution in field populations of a native plant can influence ecological interactions.
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: Exotic plant species are locally adapted but not to high UV‐B radiation: a reciprocal multi‐species experiment
Ultraviolet (UV) radiation intensities differ among global regions, with significantly higher levels in the southern hemisphere. UV-B may act as an environmental filter during plant invasions, which might particularly apply to plant species from Europe introduced to New Zealand. Just like for any other abiotic or biotic filter, successful invaders can cope with novel environmental conditions via plastic responses and/or through rapid adaptation by natural selection in the exotic range. We conducted a multi-species experiment with herbaceous plants in two common gardens located in the species' 'native' and exotic ranges, in Germany and New Zealand, respectively. We used plants of German and New Zealand origin of eight species to test for adaptation to higher UV-B radiation in their new range. In each common garden, all plants were exposed to three radiation treatments: (i) ambient sunlight, (ii) exclusion of UV-B while transmitting ambient UV-A, and (iii) combined exclusion of UV-B and UV-A. Linear mixed-effect models revealed significant effects of UV-B on growth and leaf traits and an indication for UV-B-induced biomass reduction in both common gardens pointing to an impact of natural, ambient UV radiation intensities experienced by plants in the northern and in the southern hemisphere. In both common gardens, the respective local plants (i.e. German origins in Germany, New Zealand origins in New Zealand) displayed enhanced productivity and aboveground biomass allocation, thus providing evidence for recent evolutionary processes in the exotic range. Genetic differentiation between different origins in consequence of divergent local selection pressures was found for specific leaf area. This differentiation particularly hints at different selective forces in both ranges while only little evidence was found for an immediate selective effect of high UV-B intensities in the exotic range. However, reaction norm slopes across ranges revealed higher plasticity of exotic individuals in functional leaf traits that might allow for a more sensitive regulation of photoprotection measures in response to UV-B. During the colonization, New Zealand populations might have been selected for the observed higher phenotypic plasticity and a consequently increased ability to successfully spread in the exotic range.
Data from: A field experiment demonstrating plant life-history evolution and its eco-evolutionary feedback to seed predator populations
Open the record for dataset details and reuse information.
Data from: Evolutionary changes in plant tolerance against herbivory through a resurrection experiment
Open the record for dataset details and reuse information.
Data from: Variable competitive effects of fungicide resistance in field experiments with a plant pathogenic fungus
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Data from: Exotic plant species are locally adapted but not to high UV‐B radiation: a reciprocal multi‐species experiment
Open the record for dataset details and reuse information.
Time-course in rice plants of the day length shift experiment
GEO Series GSE36784. Oryza sativa. 28 samples. Type: Expression profiling by array.
multiplexage : dual-target hybridization microarray experiment-New developments towards a genetic and diagnosis use of plant mircoarrays
GEO Series GSE29104. Arabidopsis thaliana. 94 samples. Type: Expression profiling by array.
Utilizing the KSC Fixation Tube to Conduct Human-Tended Plant Biology Experiments on a Suborbital Spaceflight
Suborbital spaceflights now enable human-tended research investigating short-term gravitational effects in biological systems, eliminating the need for complex automation. Here, we discuss a method utilizing KSC Fixation Tubes (KFTs) to both carry biology to suborbital space as well as fix that biology at certain stages of flight. Plants on support media were inserted into the sample side of KFTs preloaded with RNAlater in the fixation chamber. The KFTs were activated at various stages of a simulated flight to fix the plants. RNA-seq analysis conducted on tissue samples housed in KFTs, showed that plants behaved consistently in KFTs when compared to petri-plates. Over the time course, roots adjusted to hypoxia and leaves adjusted to changes in photosynthesis. These responses were due in part to the environment imposed by the encased triple containment of the KFTs, which is a requirement for flight in human spacecraft. While plants exhibited expected reproducible transcriptomic alteration over time in the KFTs, responses to clinorotation during the simulated flight suggest that transcriptomic responses to suborbital spaceflight can be examined using this approach.
Glycome profiling and immunohistochemistry uncover changes in cell walls of Arabidopsis thaliana roots during spaceflight: Advanced Plant EXperiment (APEX) 03-1 Raw Dataset
This study was conducted to uncover the underlying molecular mechanisms by which microgravity impacts cell wall architecture in the model plant Arabidopsis thaliana using the Vegetable Production System (Veggie) housed on the International Space Station (ISS). Based on our previous space flight studies using the Biological Research in Canisters (BRIC) hardware on the STS-131 Space Shuttle mission, we found that plants respond to microgravity in large part through the transcriptional reprogramming of genes that control cell wall remodeling. This follow-up spaceflight experiment called the Advanced Plant EXperiments (APEX 03-1) in Space was designed to use Veggie unit on the ISS and on the ground unit on the Space Station Processing Facility (SSPF) to probe deeper into spaceflight-induced cell wall associated transcript expression changes. In this study we used RNA-Seq in combination with glycome profiling (glycomics) to correlate spaceflight-induced gene expression changes with actual cell wall modifications within seedlings.
Genome-wide analysis of wild type and prmt5 mutant plants (Experiment B)
GEO Series GSE149430. Arabidopsis thaliana. 6 samples. Type: Expression profiling by high throughput sequencing.
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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.