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64 results for “plant properties”
Figure 1 in Metal nanoparticles produced by plants with antibacterial properties against Staphylococcus aureus
Figure 1. Synthesis of metal nanoparticles using plant extracts.
Data from: Detailed characterization of the UMAMITs proteins provides insight into their evolution, amino acid transport properties, and role in the plant
<p>Amino acid transporters play a critical role in distributing amino acids within the cell compartments and between the plant organs. Despite this importance, relatively few amino acid transporter genes have been characterized and their role elucidated with certainty. Two main families of proteins encode amino acid transporters in plants: the Amino Acid-Polyamine-Organocation superfamily, containing mostly importers, and the Usually Multiple Acids Move In and out Transporter family, apparently encoding exporters, totaling 63 and 44 genes in Arabidopsis, respectively. Knowledge on UMAMITs is scarce, based on six Arabidopsis genes and a handful of genes from other species. To get insight into the role of the members of this family and provide data to be used for future characterization, we studied the evolution of the UMAMITs in plants, and determined the functional properties, the structure, and the localization of the 47 Arabidopsis UMAMITs. Our analysis showed that the AtUMAMITs are essentially localized at the tonoplast or the plasma membrane, and that most of them are able to export amino acids from the cytosol, confirming a role in intra- and inter-cellular amino acid transport. As an example, this set of data was used to hypothesize the role of a few AtUMAMITs in the plant and the cell.</p>
Analyzing defense-in-depth properties of nuclear power plant instrumentation and control system architectures using ontologies
<p>A proof-of-concept OWL ontology for representing knowledge over nuclear overall instrumentation & control (I&C) system architectures, and two case studies built around a proposed US variant of the European Pressurized Water Reactor and the NuScale Small Modular Reactor.</p>
Effects of plant traits and ecosystem properties on wave attenuation and soil carbon content
<p><span>Understanding</span><span> the</span><span> relationships among the environment, species traits and ecosystem properties is important </span><span>for developing</span><span> management measures </span><span>that optimize</span><span> the delivery of ecosystem services (</span><span>ESs</span><span>). Here, we identify the most important relationships responsible for the delivery of two key </span><span>ESs</span><span> provided by tidal marshes: (1) nature-based shoreline protection through wave attenuation and (2) mitigation of climate change through soil carbon storage. In two tidal zones below and above the mean high water (MHW, Elbe Estuary, Germany) level, we measured environmental parameters, such as soil salinity and inundation, as well as plant traits representing adaptations to hydrodynamic stress and strongly influencing decomposition rates.</span></p> <p><span>Multiple linear regression</span> <span>results showed that wave attenuation rates were positively related to aboveground community biomass and stem bending resistance, and soil organic carbon was positively related to stem-specific density (below the MHW level). In the tidal zone above the MHW level, soil carbon density was governed by inundation duration and decomposition rates.</span></p> <p><span>Our study highlights that (1) ES</span> <span>delivery is not equally spread across tidal marshes and (2) ecosystem management should stimulate the development and persistence of habitat diversity (here</span><span>,</span><span> low and high marsh zones)</span> <span>to maximize ES delivery potential. Securing the delivery of the two studied ESs under climate change will depend on providing suitable (</span><span>landward</span><span>) space to sustain the functioning of the two marsh zones. In the studied marshes, these services are highly dependent on a few species (i.e., wave attenuation on <em>Schoenoplectus tabernaemontani</em> and <em>Bolboschoenus maritimus</em> and carbon storage on <em>Phragmites australis</em>)</span><span>,</span><span> and as such</span><span>,</span><span> current and future ESs strongly depend on specific species' responses to changing environmental conditions.</span></p>
Data from: Photodegradation modifies microplastic effects on soil properties and plant performance
<p>Microplastics in soil affect plant-soil systems depending on their shape and polymer type. However, previous research has not yet considered the effects of degraded plastics, which are the plastic materials actually present in the environment. We selected 8 microplastics representing different shapes (fibers, films and foams) and polymer types, and exposed them to UV-C degradation. Each microplastic was mixed with soil at a concentration of 0.4% (w/w). The phytometer Daucus carota grew in each pot. At harvest, soil properties and plant biomass were measured.</p> <p>Photodegradation altered microplastics physical and chemical properties, impacting plant-soil systems. Microplastics degradation effects on plant and soil were observed with fibers and foams, but there were negligible effects with films. The latter could be explained by the polymer structure of films and manufacturer's additives, potentially delaying their degradation.</p> <p>Degraded fibers increased soil respiration more than their non-degraded counterparts, as photodegradation increased the positive effects of fibers on soil water retention. The emergence of oxygenated groups during degradation may have increased the hydrophilicity of fibers, enhancing their ability to retain water. Degraded foams increased soil respiration, which could be related to the possible leaching of organic substances with lower partition coefficients, which may promote soil microbial activity.</p> <p>By contrast, degraded foams decreased soil aggregation, likely as degradation produced larger holes increasing their permeability. Also, the increase of hydrophilic molecules could have decreased soil particle cohesiveness. Degraded fibers and foams increased shoot and root mass as a result of microplastic effects on soil properties. Photodegraded microplastics affected root traits, which could be linked to microplastic effects on soil water status and plant coping strategies.</p>
Data from: Effects of two key plant trait spectra on litter layer properties and habitat provision functions
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Data from: Spatial mid-domain effect overrides climate, soil properties and microbes on a cosmopolitan non-native plant across elevation
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Soil properties and plant functional traits have different importance in shaping rhizosphere soil bacterial and fungal communities in a meadow steppe
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Data from: Island properties dominate species traits in determining plant colonizations in an archipelago system
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Effects of plant traits and ecosystem properties on wave attenuation and soil carbon content
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Data from: Detailed characterization of the UMAMITs proteins provides insight into their evolution, amino acid transport properties, and role in the plant
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Soil property, microbial abundance, and plant and invertebrate biomass data across a natural soil temperature gradient in Iceland from August 2018
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Data from: Photodegradation modifies microplastic effects on soil properties and plant performance
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Data from: Above-belowground linkages of functionally dissimilar plant communities and soil properties in a grassland experiment
<p>Changes in plant community composition can have long-lasting consequences for ecosystem functioning. However, how the duration of plant growth of functionally distinct grassland plant communities influences abiotic and biotic soil properties and thus ecosystem functions is poorly known. In a field experiment, we established identical experimental subplots in two successive years comprising of fast- or slow-growing grass and forb community mixtures with different forb:grass ratios. After one and two years of plant growth, we measured above- and belowground biomass, soil abiotic characteristics (pH, organic matter, soil nutrients), soil microbial properties (respiration, biomass, community composition), and nematode abundance. Fast- and slow-growing plant communities did not differ in above- and belowground biomass. However, fast-and slow-growing plant communities created distinct soil bacterial communities, whereas soil fungal communities differed most in 100% forb communities compared to other forb:grass ratio mixtures. Moreover, soil nitrate availability was higher after two years of plant growth, whereas the opposite was true for soil ammonium concentrations. Furthermore, total nematodes and especially bacterial-feeding nematodes were more abundant after two years of plant growth. Our results show that plant community composition is a driving factor in soil microbial community assembly and that the duration of plant growth plays a crucial role in the establishment of plant community and functional group composition effects on abiotic and biotic soil ecosystem functioning under natural field conditions.</p>
Plant communities, grazing intensity, soil properties and decomposers in grasslands across elevation in the Eastern Carpathians in Ukraine
<p>This data set contains information on plant community properties, grazing intensity, elevation, soil properties and density of soil decomposers collected in 2006 and 2007 from the 31 semi-natural grasslands exposed to cattle grazing along elevation gradient at large topographic scale ranging from the Carpathian Mountains, across the adjacent foothills to the plain areas. Plant community properties are represented by the following variables for each of the 31 study grassland: number of species (species number 100 m<sup>-2</sup>), number of functional groups 100 m<sup>-2 </sup>(that is, legumes, grasses, rushes and sedges, and non-legume forbs), proportion of undesirable weeds (%), number of species of legumes (species number 100 m<sup>-2</sup>), number of species of grasses (species number 100 m<sup>-2</sup>), number of species of rushes and sedges (species number 100 m<sup>-2</sup>), and number of non-legume forbs (species number 100 m<sup>-2</sup>). Grazing intensity is measured as cattle density (livestock units h<sup>-1</sup>). Soil properties are represented for each 31 study grassland by bare soil exposure (%) , soil organic carbon content (%), and soil pH. Density of soil decomposers are represented by biomass of earthworms g m<sup>-2</sup> and abundance of soil microorganisms cells × 10<sup>8</sup> g (dry soil)<sup>-1</sup>. Plant community composition is based on individual species' canopy cover. This dataset also contain information on the following plant traits for each plant species (n=175 species) found across the 31 study pastures across 2006 and 2007 sampling years: family of the plant species, belonging to legumes, grasses, rushes and sedges, non-legume forbs, and undesirable weeds. All data are averages across the two sampling years. </p>
Effects of earthworm invasion on soil properties and plant diversity after two years of field experiment
<p>Datasets and R script</p>
The convex relationship between plant cover and biomass: implications for assessing species and community properties
<p>Datasets and R script for the article "The convex relationship between plant cover and biomass: implications for assessing species and community properties" in Journal of Vegetation Science. </p>
Data for litter-mixture decomposition explained by properties of plant neighborhood
<p>Dataset used in the scientific article entitled "Functionally or phylogenetically distinct neighbors turn antagonism among decomposing litter species into synergy" written by Barbe <em>et al. </em>(2018) in Journal of Ecology</p>
Dataset for "Insect frass from upcycling vegetable by-products with cereals: effects on the soil properties, plant development and soil invertebrate fitness"
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Catchment properties and the photosynthetic trait composition of freshwater plant communities
Unlike in land plants, photosynthesis in many aquatic plants relies on bicarbonate in addition to carbon dioxide (CO2) to compensate for the low diffusivity and potential depletion of CO2 in water. Concentrations of bicarbonate and CO2 vary greatly with catchment geology. In this study, we investigate whether there is a link between these concentrations and the frequency of freshwater plants possessing the bicarbonate use trait. We show, globally, that the frequency of plant species with this trait increases with bicarbonate concentration. Regionally, however, the frequency of bicarbonate use is reduced at sites where the CO2 concentration is substantially above the air equilibrium, consistent with this trait being an adaptation to carbon limitation. Future anthropogenic changes of bicarbonate and CO2 concentrations may alter the species compositions of freshwater plant communities.
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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.