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309 results for “Plant roots”
Climate warming alters the relative importance of plant root and microbial community in regulating the accumulation of soil microbial necromass carbon in a Tibetan alpine meadow
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Host age affects the performance of the root hemiparasitic plant Rhinanthus alectorolophus
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Data from: Root herbivory indirectly affects above- and belowground community members and directly reduces plant performance
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Plant herbivore interactions: Combined effect of ground water level, root vole grazing and sedge silicification
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Divergent nitrogen and phosphorus allocation strategies in terrestrial plant leaves and fine roots: a global meta-analysis
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Fungal root-endophytes influence plants in a species-specific manner that depends on plant's growth stage
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Data from msGBS: A new high-throughput approach to quantify the relative species abundance in root samples of multi-species plant communities
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Data from: Biogeography of plant root-associated fungal communities in the North-Atlantic region mirrors climatic variability
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Root traits and soil microorganisms as drivers of plant-soil feedbacks within the sub-arctic tundra meadow
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Data from: Scaling of shoot and root respiration of woody and herbaceous plants
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Effects of soil conditioning, root and shoot litter addition interact to determine the intensity of plant-soil feedback (dataset)
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Data from: Community- weighted mean plant traits predict small scale distribution of insect root herbivore abundance
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Data from: Temporal dynamics of plant-soil feedback and root-associated fungal communities over 100 years of invasion by a non-native plant
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Neighboring trees regulate the root-associated pathogenic fungi on the host plant in a subtropical forest
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Plant growth forms determine root resource acquisition strategy along ‘fast-slow’ economics spectrum in a temperate forest community
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Case study data 2022: The effects of dune plant roots on loggerhead turtle (Caretta caretta) nest success
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Data from: Risky roots and careful herbivores: Sustained herbivory by a root-feeding herbivore attenuates indirect plant defences
<p><b>Abstract</b></p> <ol> <li>Aboveground plant tissues produce characteristic blends of volatile compounds in response to insect herbivory. These herbivore-induced plant volatiles (HIPVs) function in plant defence and mediate foraging decisions by herbivores and their natural enemies. The ecological roles of HIPVs as foraging cues for different trophic levels highlight an important conflict for herbivores that need to locate suitable host plants while avoiding competition and predation. </li> </ol> <p> </p> <ol> <li>Plant roots also emit HIPVs following herbivory, but our understanding of root-produced volatiles and their ecological functions in soil environments remains limited. Moreover, recent studies have documented the effects of temporal dynamics of plant volatile production on ecological interactions, but little is known about how root HIPVs change throughout herbivory or the resulting ecological implications from such changes. </li> </ol> <p> </p> <ol> <li>In this study, we examined the roles of HIPVs from roots of cucumber plants (<i>Cucumis sativus</i>) as foraging cues for a specialist herbivore, striped cucumber beetle (<i>Acalymma vittatum</i>) and its natural enemies, entomopathogenic nematodes (EPNs). We predicted HIPVs from <i>A. vittatum</i>-damaged roots would attract EPNs, while repelling conspecific larvae that avoid competition, induced plant defences, and increased risk of predation by EPNs. To capture the temporal dynamics of root HIPVs, we determined how HIPV-mediated interactions change over time with sustained herbivory. </li> </ol> <p> </p> <ol> <li>Initially (after 24 h), <i>A. vittatum </i>herbivory on <i>C. sativus</i>, or mechanical wounding, induced greater production of root volatiles. These root HIPVs recruited EPNs and repelled foraging <i>A. vittatum </i>larvae, although larval performance was not affected by prior damage. Sustained (7-day) herbivory by larvae reduced HIPVs to levels indistinguishable from undamaged control roots, while mechanically damaged roots continued to produce higher levels of volatiles. Attenuation of HIPVs impaired indirect defence responses of <i>C. sativus</i> by reducing recruitment of EPNs and deterrence of <i>A. vittatum </i>larvae. </li> </ol> <p> </p> <ol> <li><span>These results suggest that root HIPVs function as honest signals that indicate the presence of herbivores, induction of indirect plant defences, and increased risk of predation by natural enemies. However, some herbivores may overcome this line of plant defence by attenuating production of HIPVs and thus altering the outcomes of subsequent interactions among plants, herbivores, and natural enemies.</span></li> </ol>
Data for the manuscript «Factors of carbon and nitrogen content in fine-roots of the Middle Ural plants»
<p>Data for the manuscript «Factors of carbon and nitrogen content in fine-roots of the Middle Ural plants»</p>
Modeling plant roots spectral induced polarization signature - data
<p>Data used for Figures</p>
Increasing flavonoid concentrations in root exudates enhance associations between arbuscular mycorrhizal fungi and an invasive plant
<p>Many invasive plants have enhanced mutualistic arbuscular mycorrhizal (AM) fungal associations, however, mechanisms underlying differences in AM fungal associations between introduced and native populations of invasive plants have not been explored. Here we test the hypothesis that variation in root exudate chemicals in invasive populations affects AM fungal colonization and then impacts plant performance. We examined flavonoids (quercetin and quercitrin) in root exudates of native and introduced populations of the invasive plant <em>Triadica sebifera</em> and tested their effects on AM fungi and plant performance. We found that plants from introduced populations had higher concentrations of quercetin in root exudates, greater AM fungal colonization and higher biomass. Applying root exudates more strongly increased AM fungal colonization of target plants and AM fungal spore germination when exudate donors were from introduced populations. The role of root exudate chemicals was further confirmed by decreased AM fungal colonization when activated charcoal was added into soil. Moreover, addition of quercetin into soil increased AM fungal colonization, indicating quercetin might be a key chemical signal stimulating AM fungal associations. Together these results suggest genetic differences in root exudate flavonoids play an important role in enhancing AM fungal associations and invasive plants' performance, thus considering root exudate chemicals is critical to unveiling mechanisms governing shifting plant-soil microbe interactions during plant invasions.</p>
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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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.