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68 results for “nitrogen limitation”
Nitrogen enrichment buffers phosphorus limitation by mobilizing mineral-bound soil phosphorus in grasslands
<p>Phosphorus (P) limitation is expected to increase due to nitrogen (N)-induced terrestrial eutrophication, although most soils contain large P pools immobilized in minerals (P<sub>i</sub>) and organic matter (P<sub>o</sub>). Here we assessed whether transformations of these P pools can increase plant available pools alleviating P limitation under enhanced N availability. The mechanisms underlying these possible transformations were explored by combining results from a 10-year field N-addition experiment and a 3700-km transect covering wide ranges in soil pH, soil N, aridity, leaching, and weathering that can affect soil P status in grasslands. Nitrogen addition promoted dissolution of immobile P<sub>i</sub> (mainly Ca-bound recalcitrant P) to more available forms of P<sub>i</sub> (including Al- and Fe-bound P fractions and Olsen P) by decreasing soil pH from 7.6 to 4.7, but did not affect P<sub>o</sub>. Soil total P declined by 10% from 385±6.8 to 346±9.5 mg kg<sup>-1</sup>, while available-P increased by 546% from 3.5±0.3 to 22.6±2.4 mg kg<sup>-1</sup> after 10-year N addition, associated with an increase in P<sub>i</sub> mobilization, plant uptake, and leaching. Similar to the N-addition experiment, the drop in soil pH from 7.5 to 5.6 and increase in soil N concentration along the grassland transect were associated with an increased ratio between relatively mobile P<sub>i</sub> and immobile P<sub>i</sub>. Our results provide a new mechanistic understanding of the important role of soil P<sub>i</sub> mobilization in maintaining plant P supply and accelerating biogeochemical P cycles under anthropogenic N enrichment. This mobilization process temporarily buffers ecosystem P-limitation or even causes P eutrophication but will extensively deplete soil P pools in the long run.</p>
Copiotrophic taxa in pig manure mitigate nitrogen limitation of soil microbial communities
<p>Dataset for soil properties, enzyme activities and stoichiometric parameters.</p>
Nitrogen enrichment buffers phosphorus limitation by mobilizing mineral-bound soil phosphorus in grasslands
Open the record for dataset details and reuse information.
Transcriptome responses to nitrogen starvation and oxygen limitation during fed-batch cultivation of Aurantiochytrium sp. T66
GEO Series GSE134374. Aurantiochytrium sp. T66. 4 samples. Type: Expression profiling by high throughput sequencing.
Global transcriptional profiling of oleaginous yeast Rhodosporidium toruloides under nitrogen limitation.
GEO Series GSE39023. Rhodotorula toruloides. 2 samples. Type: Expression profiling by high throughput sequencing.
Heterologous expression analysis of wild type Fusarium fujikuroi and Ffvel1deletion strains grown under nitrogen-limiting conditions in liquid media over time.
GEO Series GSE21623. Fusarium fujikuroi; Fusarium verticillioides. 12 samples. Type: Expression profiling by array.
s54 -dependent response to nitrogen limitation and virulence in Burkholderia cenocepacia H111
GEO Series GSE66328. Burkholderia cenocepacia H111. 5 samples. Type: Expression profiling by high throughput sequencing.
RNA-protein dynamics of high CO2-adapted, iron-phosphorus co-limited Trichodesmium reveals nutrient-limited molecular architecture of a globally significant marine nitrogen fixer in a future ocean
GEO Series GSE94951. Trichodesmium erythraeum IMS101. 16 samples. Type: Expression profiling by high throughput sequencing.
Cellular economy in fission yeast cells continuously cultured at limited nitrogen resources
GEO Series GSE68173. Schizosaccharomyces pombe. 16 samples. Type: Expression profiling by array.
Metabolic regulation of ‘Ca. Methylacidiphilum fumariolicum’ SolV cells grown under different nitrogen and oxygen limitations
GEO Series GSE40528. Candidatus Methylacidiphilum fumarolicum. 3 samples. Type: Expression profiling by high throughput sequencing.
Phosphate limitation intensifies negative effects of ocean acidification on globally important nitrogen fixing cyanobacterium
GEO Series GSE181428. Trichodesmium erythraeum IMS101. 6 samples. Type: Expression profiling by high throughput sequencing.
Trasncriptional response of Saccharomyces cerevisiae to nitrogen limitation in chemostat culture
GEO Series GSE8089. Saccharomyces cerevisiae. 6 samples. Type: Expression profiling by array.
Impact of nutrient unbalances on wine alcoholic fermentation: nitrogen excess enhances yeast cell death in lipid-limited must
GEO Series GSE42027. Saccharomyces cerevisiae. 4 samples. Type: Expression profiling by array.
Comparative transcriptomics analysis of Populus leaves under nitrogen limitation: clone 3200
GEO Series GSE14893. Populus sp.; Populus fremontii x Populus angustifolia. 12 samples. Type: Expression profiling by array.
Transcriptional Response to Nitrogen Limitation in Pelagibacter ubique
GEO Series GSE37445. Candidatus Pelagibacter communis; Candidatus Pelagibacter ubique HTCC1002; Candidatus Pelagibacter ubique HTCC1062; Candidatus Pelagibacter sp. HTCC7211. 12 samples. Type: Expression profiling by array.
High density and limiting nitrogen response in rice
GEO Series GSE57094. Oryza sativa. 24 samples. Type: Expression profiling by array.
affy_med_2011_09-Analysis of Medicago truncatula root transcriptome in response to mycorrhization by Glomus intraradices under phosphate and nitrogen limitation
GEO Series GSE38847. Medicago sativa; Medicago truncatula; Sinorhizobium meliloti. 12 samples. Type: Expression profiling by array.
Expression analysis of Gordonia sp. KTR9 upon exposure to RDX and Nitrogen limitation
GEO Series GSE42340. Gordonia sp. KTR9. 12 samples. Type: Expression profiling by array.
Expression data from poplar roots under nitrogen limitation
GEO Series GSE43162. Populus sp.; Populus tremula x Populus alba. 26 samples. Type: Expression profiling by array.
Transcriptomic data from Malus domestica young leaves response to Acibenzolar-S-Methyl (ASM) treatment and nitrogen limitation or resupply.
GEO Series GSE264541. Malus domestica. 18 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.