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101 results for “plant immunity”
Fig. 5 in Floro-pyrazolo[3,4-d]pyrimidine derivative as a novel plant activator induces two-pathway immune system
Fig. 5. The synthetic route of 1-methyl-4-substituted phenylamino pyrazolo [3,4-d] pyrimidine derivatives (P1).
Fig. 7 in Floro-pyrazolo[3,4-d]pyrimidine derivative as a novel plant activator induces two-pathway immune system
Fig. 7. The synthetic route of N-(1-methyl-1H-pyrazolo [3,4-d]pyrimidin-4-yl) substituted carboxamide derivatives (P3).
Fig. 6 in Floro-pyrazolo[3,4-d]pyrimidine derivative as a novel plant activator induces two-pathway immune system
Fig. 6. The synthetic route of 1-methyl-4-substituted ether pyrazolo [3,4-d] pyrimidine derivatives (P2).
Fig. 4 in Floro-pyrazolo[3,4-d]pyrimidine derivative as a novel plant activator induces two-pathway immune system
Fig. 4. Gene expression in Arabidopsis thaliana after treatment of chemicals. Bars (gray, PR1; black, PDF1.2) denote the mean ± STD of three independent biological replicates. (***P <0.01; **P <0.05; one-tailed t-test).
Effects of Plant Stanols on Immune Function in Asthma Patients
ClinicalTrials.gov study NCT01715675. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Data from: Transcriptomics of monarch butterflies (Danaus plexippus) reveals that toxic host plants alter expression of detoxification genes and down-regulate a small number of immune genes
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Data from: Symbiotic polydnavirus of a parasite manipulates caterpillar and plant immunity
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A phase-separated nuclear GBPL circuit controls immunity in plants
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Data from: Use of an exotic host plant shifts immunity, chemical defense, and viral burden in wild populations of a specialist insect herbivore
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Immune assay data for Lycaeides melissa larvae reared on different host plants and with/without egg microbes
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Data from: Effect of host plant and immune challenge on the levels of chemosensory and odorant-binding proteins in caterpillar salivary glands
More than half of the proteome from mandibular glands in caterpillars is represented by chemosensory proteins. Based on sequence similarity, these proteins are putative transporters of ligands to gustatory receptors in sensory organs of insects. We sought to determine whether these proteins are inducible by comparing, both qualitatively and quantitatively, the salivary (mandibular and labial) proteomes from caterpillars (Vanessa cardui) reared on different plants and artificial diet containing either bacteria or bacterial cell-walls. We included a treatment where the caterpillars were switched from feeding on artificial diet to plant material at some point in their development. Additionally, we evaluated the degree of overlap between the proteomes in the hemolymph-filled coelom and salivary glands of caterpillars reared on plant material. We found that the quality and quantity of the identified proteins differed clearly between hemolymph-filled coelom, labial and mandibular glands. Our results indicated that even after molting and two-day feeding on a new diet, protein production is affected by the previous food source used by the caterpillar. Candidate proteins involved in chemosensory perception by insects were detected: three chemosensory (CSPs) and two odorant-binding proteins (OBPs). Using the relative amounts of these proteins across tissues and treatments as criteria for their classification, we detected hemolymph- and mandibular gland-specific CSPs and observed that their levels were affected by caterpillar diet. Moreover, we could compare the protein and transcript levels across tissues and treatment for at least one CSP and one OBP. Therefore, we have identified specific isoforms for testing the role of CSPs and OBPs in plant and pathogen recognition. We detected catalase, immune-related protein and serine proteases and their inhibitors in high relative levels in the mandibular glands in comparison to the labial glands. These findings suggest that the mandibular glands of caterpillars may play an important role protecting the caterpillar from oxidative stress, pathogens and aiding in digestion. Contamination with hemolymph proteins during dissection of salivary glands from caterpillars may occur but it is not substantial since the proteomes from hemolymph, mandibular and labial glands were easily discriminated from each other by principal component analysis of proteomic data.
The effects of host plant species and larval density on immune function in the polyphagous moth Spodoptera littoralis
<p>Immune functions are costly and immune investment is usually dependent on the individual's condition and resource availability. For phytophagous insects, host plant quality has large effects on performance, e.g. growth and survival, and may also affect their immune function. Polyphagous insects often experience a large variation in quality among different host plant species, and their immune investment may thus vary depending on which host plant species they develop on. Larvae of the polyphagous moth <i>Spodoptera littoralis</i>have previously been found to exhibit density-dependent prophylaxis as they invest more in certain immune responses in high population densities. In addition, the immune response of <i>S. littoralis </i>has been shown to depend on nutrient quality in experiments with artificial diet. Here, I studied the effects of natural host plant diet and larval density on a number of immune responses to understand if host plant species affects immune investment in generalist insects, and if the density-dependent prophylaxis could be mediated by host plant species. While host plant species in general did not mediate the density-dependent immune expression, particular host plant species was found to increase larval investment in certain functions of the immune system. Interestingly, these results indicate that different host plants may provide a polyphagous species with protection against different kinds of antagonisms. This insight may contribute to our understanding of the relationship between preference and performance in generalists, as well as having applied consequences for sustainable pest management.</p>
Accompanying images to the paper NLR immune receptor–nanobody fusions confer plant disease resistance
<p>The following images accompany the paper <strong>NLR immune receptor–nanobody fusions confer plant disease resistance</strong>, Kourelis J., Marchal C., Posbeyikian A., Harant A., Kamoun S. (2023) Science Vol. 379, No. 6635. <a href="https://doi.org/10.1126/science.abn4116">DOI: 10.1126/science.abn4116</a></p> <p> </p> <p><strong>Figure captions:</strong></p> <p><strong>Figure 1. </strong>Leaves photographed 12 days after infection with a Potato Virus X variant expressing the fluorescent protein EGFP. Left: <em>Nicotiana benthamiana</em> leaf that doesn't express the pikobody system. Right: Leaf from <em>N. benthamiana</em> line stably expressing the Pikobody system recognizing EGFP. </p> <p><strong>Figure 2. </strong>Leaves photographed 12 days after infection with a Potato Virus X variant expressing the fluorescent protein mCherry. Both leaves correspond to a <em>N. benthamiana</em> line stably expressing the Pikobody system recognizing EGFP. These results accompany the observations that the Pikobody system targetting EGFP specifically recognizes EGFP, but not mCherry.</p> <p><strong>Figure 3. </strong>Side by side comparison of representative adult <em>N. benthamiana</em> plants, from left to right: wild-type (WT), stably transformed with the rice NLR pair Pikm-1/2 (Pikm) or Pikobody<sup>Enhancer </sup>(Lines #4 - #1 - #9 - #10). </p>
Fig. 2 in Floro-pyrazolo[3,4-d]pyrimidine derivative as a novel plant activator induces two-pathway immune system
Fig. 2. The synthetic route of targeted compounds.
Fig. 1 in Floro-pyrazolo[3,4-d]pyrimidine derivative as a novel plant activator induces two-pathway immune system
Fig. 1. Overview of scaffold and derivatives design.
Fig. 3 in Floro-pyrazolo[3,4-d]pyrimidine derivative as a novel plant activator induces two-pathway immune system
Fig. 3. Design of target compounds.
Data from: Effect of host plant and immune challenge on the levels of chemosensory and odorant-binding proteins in caterpillar salivary glands
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The effects of host plant species and larval density on immune function in the polyphagous moth Spodoptera littoralis
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Data from: A plant pathogen modulates the effects of secondary metabolites on the performance and immune function of an insect herbivore
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MAPK-triggered chromatin reprogramming by histone deacetylase in plant innate immunity
GEO Series GSE99936. Arabidopsis thaliana. 18 samples. Type: Genome binding/occupancy profiling by high throughput sequencing; 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.