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9 results for “plant lifespan”
Plant metabolites modulate animal social networks and lifespan
<p><span>Social interactions influence disease spread, information flow, and resource allocation across species, yet heterogeneity in social interaction frequency and its fitness consequences remain poorly understood. Additionally, animals can utilize plant metabolites for purposes beyond nutrition, but whether that shapes social networks is unclear. Here, we investigated how non-nutritive plant metabolites impact social interactions and the lifespan of the turnip sawfly, <em>Athalia rosae</em>. Adult sawflies acquire neo-clerodane diterpenoids ('clerodanoids') from non-food plants, showing intraspecific variation in natural populations and laboratory-reared individuals. Clerodanoids can also be transferred between conspecifics, leading to increased agonistic social interactions. Network analysis indicated increased social interactions <span>in sawfly groups where some or all individuals had prior access to clerodanoids</span>. Social interaction frequency varied with clerodanoid status, with fitness costs including reduced lifespan resulting from increased interactions. Our findings highlight the role of intraspecific variation in the acquisition of non-nutritional plant metabolites in shaping social networks, with fitness implications on individual social niches.</span></p>
Data for: Caloric restriction extends lifespan in a clonal plant
<p>When subjected to dietary caloric restriction (CR), individual animals often outlive well-fed conspecifics. Here, we address whether CR also extends lifespan in plants. Whereas caloric intake in animals comes from ingestion, in plants it derives from photosynthesis. Thus, factors that reduce photosynthesis, such as reduced light intensity, can induce CR. In two lab experiments investigating the aquatic macrophyte <em>Lemna minor</em>, we tracked hundreds of individuals longitudinally, with light intensity – and hence, CR – manipulated using neutral-density filters. In both experiments, CR dramatically increased lifespan through a process of temporal scaling. Moreover, the magnitude of lifespan extension accorded with the assumptions that (a) light intensity positively relates to photosynthesis following Michaelis-Menten kinetics, and (b) photosynthesis negatively relates to lifespan via a power law. Our results emphasize that CR-mediated lifespan extension applies to autotrophs as well as heterotrophs, and suggest that variation in light intensity has quantitatively predictable effects on plant aging trajectories.</p>
Data for: Caloric restriction extends lifespan in a clonal plant
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Data from: Caloric restriction-mediated reproductive lifespan extension across multiple strains of the clonal aquatic plant <em>Lemna turionifera</em>
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Drought legacy influences plant invasion through plant-soil feedback dependent on the origin and lifespan of conditioning species
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Data from: Predicting fine root lifespan from plant functional traits in temperate trees
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Lifespan, clonality and polyploidy regulate the global environmental niches of plants via seed dispersal in space and time
<p>Global environmental niches have been considered in relation to the effectiveness of environmental management. Functional traits can explain the environmental niches of plant species at different spatial scales, from community to globe. However, the roles of seed dispersal in space and time in plant environmental niche and tolerance are not clear. Furthermore, knowledge of the regulation of plants' global environmental niches by lifespan, clonality and polyploidy remains limited. In response, the main objective of the research reported here was to explore how these factors regulate the global environmental niches of plants via seed dispersal in space and time. We obtained data on plant species' seed mass, seed dispersal ability, dormancy, lifespan, clonality and polyploidy from a variety of databases and quantified global environmental niche and tolerance based on the niche axes of climate, soil and elevation. Subsequently, we used phylogenetic generalized least square linear regression and structural equation models to assess the relationships of seed traits (i.e. seed mass, seed dispersal distance and dormancy), lifespan, clonality and polyploidy with environmental niches. We found significant relationships between seed mass, seed dispersal distance, dormancy, lifespan, clonality and polyploidy on the one hand and environmental niche and tolerance on the other, based on the axes of climate, soil and elevation. Compared with lifespan, ploidy and clonality, seed traits explained more variations in environmental niches and tolerance for plants. Importantly, we built pathways indicating that lifespan, clonality and polyploidy regulate the global environmental niche and tolerance of plants via seed mass and/or seed dispersal in space and time. Our study clearly highlights the mechanisms underlying environmental niches from different perspectives, including seed temporal-spatial dispersal, lifespan, clonality and polyploidy. Environmental niche theory may broadly support global-change-adaptation management for biodiversity conservation and ecosystem maintenance using the perspective of spatial and temporal patterns in ecology.</p>
Lifespan, clonality and polyploidy regulate the global environmental niches of plants via seed dispersal in space and time
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Data from: Leaf lifespan and the leaf economic spectrum in the context of whole plant architecture
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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.