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457 results for “growth regulation”
Data from: Glutaredoxin regulation of primary root growth confers early drought stress tolerance in pearl millet
<p><span>Seedling root traits impact plant establishment under challenging environments. Pearl millet is one of the most heat- and drought-tolerant cereal crops that provides a vital food source across the sub-Saharan Sahel region. Pearl millet's early root system features a single fast-growing primary root which we hypothesize is an adaptation to the Sahelian climate. Using crop modelling, we demonstrate that early drought stress is an important constraint in agrosystems in the Sahel where pearl millet was domesticated. Furthermore, we show that increased pearl millet primary root growth is correlated with increased early water stress tolerance in field conditions. Genetics including GWAS and QTL approaches identify genomic regions controlling this key root trait. Combining gene expression data, re-sequencing and re-annotation of one of these genomic regions identified a glutaredoxin-encoding gene <em>PgGRXC9</em> as the candidate stress resilience root growth regulator. Functional characterization of its closest <em>Arabidopsis</em> homolog <em>AtROXY19</em> revealed a novel role for this glutaredoxin (GRX) gene clade in regulating cell elongation. In summary, our study suggests a conserved function for GRX genes in conferring root cell elongation and enhancing resilience of pearl millet to its Sahelian environment. </span></p>
Self Regulated Physical Activity and Bone Growth Enhancement in Premature Infants
ClinicalTrials.gov study NCT03884322. IPD Sharing: NO. Countries: 1. Publications: 9.
Scaling between cell cycle duration and wing growth is regulated by Fat-Dachsous signaling in Drosophila
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Data from: Enhanced phytoremediation of cadmium contaminated soil using chelating agents and plant growth regulators
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Data from: Detrital nutrient content and leaf species differentially affect growth and nutritional regulation of detritivores
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Data from: Glutaredoxin regulation of primary root growth confers early drought stress tolerance in pearl millet
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Small temperature variations are a key regulator of reproductive growth and assimilate storage in oil palm (Elaeis guineensis)
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Data from: Autoinhibitory calcium ATPases regulate the calcium gradient required for rapid polarized growth
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Stand age rather than soil moisture gradient dominantly regulates the compromise between plant growth and water use of Eucalyptus urophylla in hilly South China
<p>These files contain the clinate data, the morphology characteristics, soil water content and tree normalized transpiration collected in our studied site.</p>
Data from: Compensatory growth in C. elegans is regulated by a thermosensitive TRP channel and increases reproductive fitness
<p>Animals are often not growing at the maximum rate, but can compensate for a bad start of life by further increasing growth rate. While this compensatory growth is widespread, its direct fitness consequences are seldom investigated and its genetic basis is unknown. We investigated the genetic regulation, as well as fitness and lifespan consequences of compensatory growth in response to temperature, using <i>C. elegans</i> knockout of the thermo-sensitive TRP ion channel TRPA-1, involved in temperature recognition. We exposed juvenile worms to cold, normal or warm temperatures in order to delay or speed up development. After returning to normal temperature, we found that wild-type worms where early development was delayed, expressed compensatory growth and catched up in size, while juvenile exposure to warm temperatures expressed slowed-down growth and small size. Compensatory growth also altered the reproductive schedule towards early reproduction, so that rate-sensitive individual fitness increased even though total reproduction was unaffected. Surprisingly, no lifespan cost of compensatory growth was found. In contrast, juvenile temperature did not induce compensatory or slowed-down growth in the <i>trpa-1</i> knockout mutants, and consequently did not affect fitness. We show that temperature-induced compensatory growth in <i>C. elegans</i> is regulated by the <i>trpa-1</i> and can increase fitness.</p>
Beech buffers: microclimate regulation in temperate old-growth forests, surroundings and forest edge
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Fig. 11 in Computational insight into the chemical space of plant growth regulators
Fig. 11. The results of testing the discovered hit-molecules (dots within the map) using the developed in silico model (background gradient corresponds to the distribution of Ref. PGRs). This case, the scale at the bottom indicates the number of hits in each node.
Fig. 10 in Computational insight into the chemical space of plant growth regulators
Fig. 10. The discrimination between two agro-categories using Ui: PGRs/pesticides (a), herbicides/PGRs (b).
Fig. 8 in Computational insight into the chemical space of plant growth regulators
Fig. 8. The distributions of PGRs (a), herbicides (b), fungicides (c), and insecticides (d). The scale at the bottom corresponds to the number of compounds; the axes indicate the node coordinates in the lattice; the contours are smoothed.
Fig. 9 in Computational insight into the chemical space of plant growth regulators
Fig. 9. The distributions of the descriptor values within the map for HBA (a) and RBN (b) demonstrate that separation could be achieved with a holistic approach. The scale at the bottom shows the number of the compounds; the axes indicate the node coordinates in the lattice; the contours are smoothed.
Fig. 4 in Computational insight into the chemical space of plant growth regulators
Fig. 4. The diversity in heterocycles for the reference compounds: PGRs (a), the whole reference set (b), herbicides (c).
Fig. 3 in Computational insight into the chemical space of plant growth regulators
Fig. 3. The representative examples of compounds from the reference dataset (the corresponding patent application numbers are provided).
Fig. 6 in Computational insight into the chemical space of plant growth regulators
Fig. 6. The Sammon map showing the distribution of the compounds within the related chemical space; outliers indicated by the ellipse are spread beyond the scope of the major set population. Axis per se do not make sense as they simply organize outputted 2D-lattice.
Fig. 7 in Computational insight into the chemical space of plant growth regulators
Fig. 7. The Kohonen map constructed for the whole reference dataset. The scale at the bottom identifies the number of compounds located in a node; the axes indicate the coordinates of neurons within the lattice; the contours are smoothed.
Data from: Differences in the regulation of growth and biomineralization genes revealed through long-term common garden acclimation and experimental genomics in the purple sea urchin
Across heterogeneous landscapes, populations may have adaptive differences in gene regulation that adjust their physiologies to match local environments. Such differences could have origins in acclimation or in genetically fixed variation between habitats. Here we use common garden experiments to evaluate differences in gene expression between populations of the purple sea urchin, Strongylocentrotus purpuratus, spanning 1700 km and average temperature differences of 5 °C to 8 °C. Across expression profiles from 18,883 genes after three years of common conditions, we find highly correlated expression patterns (Pearson's r = 0.992) among most genes. However, sixty-six genes were differentially expressed, including many ribosomal protein and biomineralization genes, all of which had higher expression in urchins originally from the southern population. Gene function analyses revealed slight but pervasive expression differences in genes related to ribosomal function, metabolism, transport, "bone" development, and response to stimuli. In accord with gene expression patterns, a post-hoc spine re-growth experiment revealed that urchins of southern origin re-grew spines at a faster rate than northern urchins. These results suggest that there may be genetically controlled, potentially adaptive differences in gene regulation across habitats and that gene expression differences may be under strong enough selection to overcome high dispersal-mediated gene flow in this marine species.
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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.