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60 results for “plant chemistry”
Soil chemistry determines whether defensive plant secondary metabolites promote or suppress herbivore growth
<p><span>Plant secondary (or specialized) metabolites mediate important interactions in both the rhizosphere and the phyllosphere. If and how such compartmentalized functions interact to determine plant-environment interactions is not well understood. Here, we investigated how the dual role of maize benzoxazinoids as leaf defenses and root siderophores shapes the interaction between maize and a major global insect pest, the fall armyworm. We find that benzoxazinoids suppress fall armyworm growth when plants are grown in soils with very low available iron but enhance growth in soils with higher available iron. Manipulation experiments confirm that benzoxazinoids suppress herbivore growth under iron-deficient conditions and in the presence of chelated iron, but enhance herbivore growth in the presence of free iron in the growth medium. This reversal of the protective effect of benzoxazinoids is not associated with major changes in plant primary metabolism. Plant defense activation is modulated by the interplay between soil iron and benzoxazinoids but does not explain fall armyworm performance. Instead, increased iron supply to the fall armyworm by benzoxazinoids in the presence of free iron enhances larval performance. This work identifies soil chemistry as a decisive factor for the impact of plant secondary metabolites on herbivore growth. It also demonstrates how the multifunctionality of plant secondary metabolites drives interactions between abiotic and biotic factors, with potential consequences for plant resistance in variable environments. </span></p>
Fig. 17 in Stilbenes: Source plants, chemistry, biosynthesis, pharmacology, application and problems related to their clinical Application-A comprehensive review
Fig. 17. Synthetic non-steroidal estrogens derived from synthetic trans- resveratrol derivatives.
Fig. 13. Combretastatin A in Stilbenes: Source plants, chemistry, biosynthesis, pharmacology, application and problems related to their clinical Application-A comprehensive review
Fig. 13. Combretastatin A (CA-4) and its potential anticancer synthetic derivatives.
Fig. 9 in Stilbenes: Source plants, chemistry, biosynthesis, pharmacology, application and problems related to their clinical Application-A comprehensive review
Fig. 9. Photochemical behavior of stilbenes.
Fig. 6 in Stilbenes: Source plants, chemistry, biosynthesis, pharmacology, application and problems related to their clinical Application-A comprehensive review
Fig. 6. Structures of representative tetrameric stilbenes.
Fig. 5 in Stilbenes: Source plants, chemistry, biosynthesis, pharmacology, application and problems related to their clinical Application-A comprehensive review
Fig. 5. Structures of representative trimeric stilbenes.
Fig. 3 in Stilbenes: Source plants, chemistry, biosynthesis, pharmacology, application and problems related to their clinical Application-A comprehensive review
Fig. 3. Structures of representative monomeric stilbenes.
Fig. 2 in Stilbenes: Source plants, chemistry, biosynthesis, pharmacology, application and problems related to their clinical Application-A comprehensive review
Fig. 2. Basic structures of stilbenes.
Fig. 7 in Stilbenes: Source plants, chemistry, biosynthesis, pharmacology, application and problems related to their clinical Application-A comprehensive review
Fig. 7. Structures of representative pentameric and hexameric stilbenes.
Fig. 4 in Stilbenes: Source plants, chemistry, biosynthesis, pharmacology, application and problems related to their clinical Application-A comprehensive review
Fig. 4. Structures of representative dimeric stilbenes.
Fig. 8 in Stilbenes: Source plants, chemistry, biosynthesis, pharmacology, application and problems related to their clinical Application-A comprehensive review
Fig. 8. Structures of representative heptameric and octameric stilbenes.
Soil chemistry determines whether defensive plant secondary metabolites promote or suppress herbivore growth
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Data from: Pervasive and strong effects of plants on soil chemistry: a meta-analysis of individual plant ‘Zinke’ effects
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Data from: Plant nutrient supply alters the magnitude of indirect interactions between insect herbivores: from foliar chemistry to community dynamics
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Data from: A below ground herbivore shapes root defensive chemistry in natural plant populations
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Data from: Species-specific plant–soil feedbacks alter herbivore-induced gene expression and defense chemistry in Plantago lanceolata
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Impact of drought and plant litter chemistry on microbial gene expression
GEO Series GSE148618. leaf litter metagenome. 41 samples. Type: Expression profiling by high throughput sequencing.
Enhancement of forskolin production using aeroponic cultivation of Coleus forskohlii and impact on the plant phyto-chemistry
<p>This folder contains MS and MS/MS datasets of roots and aerial parts described in the publication<em> </em>entitled: <span>Enhancement of the forskolin production using aeroponic cultivation of <em>Coleus forskohlii </em>and impact on the plant phytochemistry</span></p> <p> </p>
Plant species and water chemistry data for "Inference of future bog succession trajectory from spatial chronosequence of changing aapa mires"
<p>These files consist of whole plant species and water chemistry data examined in our paper "Inference of future bog succession trajectory from spatial chronosequence of changing aapa mires" (Ecology and Evolution). Species data sets for phytosociological relevés and nested subplots (size of 0.25 m<sup>2</sup>) consist of abundances of all vascular plant, bryophyte, and lichen species in the studied fen, transition, and bog zones of boreal aapa mires. Subplot data includes groupings of species into aerenchymatous and non-aerenchymatous species, and into shallow- and deep-rooted aerenchymatous species. Water chemistry data consist of pH and concentrations of dissolved organic carbon (DOC), Ca, Mg, Fe, Al, Si, and Mn, as well as water-table depth (WTD) for each sampling point.</p>
Fig. 10 in Stilbenes: Source plants, chemistry, biosynthesis, pharmacology, application and problems related to their clinical Application-A comprehensive review
Fig. 10. Biosynthesis pathway of stilbenes in plants: Phenylalanine and tyrosine amino acids are produced through the shikimate pathway. Both amino acids are converted to cinnamic acid and coumaric acid using phenylalanine ammonia-lyase (PAL) and tyrosine ammonia-lyase (TAL). Both acids are changed to their respective CoA products using the CoA ligase enzyme. Cinnamyl-CoA and coumaroyl-CoA are then converted to the monomeric stilbenes pinosylvin and resveratrol using stilbene synthase (STS). Both stilbenes are used as the precursors of several types of stilbenes by modifications such as methylation, hydroxylation, glycosylation, isomerization, and oligomerization. Using similar enzymes, caffeic acid is also used as the precursor of piceatannol, an additional monomeric origin of some stilbenes. Cinnamic acid can also be converted to coumaric using coumarate-4-hydroxylase, giving resveratrol through coumaroyl-CoA. Optionally, HpaBC is used to convert resveratrol to piceatannol.
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Allen Brain Atlas
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International Brain Laboratory public data
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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.