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93 results for “plant volatiles”
FIGURE 1 in Simplicillium coffeanum, a new endophytic species from Brazilian coffee plants, emitting antimicrobial volatiles
FIGURE 1. Bayesian Inference tree showing the phylogenetic relationship between Simplicillium coffeanum and closely taxa based on partial 28S rDNA sequences. The posterior probability values are indicated at the nodes. The isolates from this study are highlighted in bold. The tree is rooted with Ceratocystis moniliformis. Asterisks indicate the type strains.
FIGURE 2 in Simplicillium coffeanum, a new endophytic species from Brazilian coffee plants, emitting antimicrobial volatiles
FIGURE 2. Bayesian Inference tree of Simplicillium and closely Cordycipitaceae using ITS-5.8S sequences of rDNA. The posterior probability values are indicated at the nodes. The Simplicillium isolates from this study are highlighted in bold. The tree is rooted with Pochonia chlamydosporia. Asterisks indicate the type strains.
Plant-to-plant defence induction in cotton is mediated by delayed release of volatiles upon herbivory
<p>Data and R scripts for statistical analyses for the article <strong>"Plant-to-plant defence induction in cotton is mediated by delayed release of volatiles upon herbivory"</strong>.</p> <p>By: Luca Grandi, Wenfeng Ye, Mary V. Clancy, Armelle Vallat, Gaétan Glauser, Luis Abdala-Roberts, Thierry Brevault, Betty Benrey, Ted C.J. Turlings, Carlos Bustos-Segura</p> <p><strong>Summary:</strong></p> <p>· Caterpillar feeding immediately triggers the release of volatile compounds stored in the leaves of cotton plants. Additionally, after one day of herbivory, the leaves release other newly synthesised volatiles. We investigated whether these volatiles affect chemical defences in neighbouring plants and whether such temporal shifts in emissions matter for signalling between plants. </p> <p>· Undamaged receiver plants were exposed to volatiles from plants infested with <em>Spodoptera </em>caterpillars. For receiver plants, we measured changes in defence-related traits such as volatile emissions, secondary metabolites, phytohormones, gene expression, and caterpillar feeding preference. Then, we compared the effects of volatiles emitted prior to and after 24 h of damage on neighbouring plant defences. </p> <p>· Genes that were upregulated in receiver plants following exposure to volatiles from damaged plants were the same as those activated directly by herbivory on a plant. Only volatiles emitted after 24 h of damage, including newly produced volatiles, were found to increase phytohormone levels, upregulate defence genes, and enhance resistance to caterpillars.</p> <p>· These results indicate that the defence induction by volatiles is a specific response to <em>de novo</em> synthesised volatiles, suggesting that these compounds are honest signals of herbivore attack. These findings point to an adaptive origin of airborne signalling between plants.</p>
Fig. 5 in Identification of herbivore-induced plant volatiles from selected Rubus species fed upon by raspberry bud moth (Heterocrossa rubophaga) larvae
Fig. 5. Phenology data for Heterocrossa rubophaga on Rubus fruticosus (blackberry) and Rubus cissoides (bush lawyer) from December 2019 to December 2020.
Fig. 13 in Non-volatile constituents from Monimiaceae, Siparunaceae and Atherospermataceae plant species and their bioactivities: An up-date covering 2000-2021
Fig. 13. Distribution of alkaloid-type isolated between 2000 and 2021 from different genera in the Monimiaceae (Hortonia, Mollinedia, Peumus, Tambourissa, Xymalos), Siparunaceae (Siparuna, Glossocalyx) and Atherospermataceae (Doryphora, Laureliopsis).
Fig. 12 in Non-volatile constituents from Monimiaceae, Siparunaceae and Atherospermataceae plant species and their bioactivities: An up-date covering 2000-2021
Fig. 12. Distribution of the non-volatile constituents isolated between 2000 and 2021 from different genera in the Monimiaceae (Hortonia, Mollinedia, Peumus, Tambourissa, Xymalos), Siparunaceae (Siparuna, Glossocalyx) and Atherospermataceae (Doryphora, Laureliopsis).
Fig. 2 in Non-volatile constituents from Monimiaceae, Siparunaceae and Atherospermataceae plant species and their bioactivities: An up-date covering 2000-2021
Fig. 2. Previously undescribed and known terpenoids isolated from Hortonia genus in the Monimiaceae family.
Fig. 1 in Non-volatile constituents from Monimiaceae, Siparunaceae and Atherospermataceae plant species and their bioactivities: An up-date covering 2000-2021
Fig. 1. Previously undescribed γ-lactone compounds and ring opened derivative 10 isolated from the Monimiaceae family.
Fig. 7 in Non-volatile constituents from Monimiaceae, Siparunaceae and Atherospermataceae plant species and their bioactivities: An up-date covering 2000-2021
Fig. 7. Previously undescribed and known flavonoids isolated from the Siparunaceae family (The substituents of flavonoids are denoted in blue font). (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)
Fig. 10. Previously undescribed homogentisic acid derivatives isolated from G in Non-volatile constituents from Monimiaceae, Siparunaceae and Atherospermataceae plant species and their bioactivities: An up-date covering 2000-2021
Fig. 10. Previously undescribed homogentisic acid derivatives isolated from G. Brevipes in the Siparunaceae family.
Fig. 3 in Electrophysiological responses of Philaenus spumarius and Neophilaenus campestris females to plant volatiles
Fig. 3. Results of dual choice Y-tube olfactometer bioassays performed with P. spumarius females to (1R)-(+)-camphor, sabinene, (S)-()-limonene, ()-α-pinene and (+)-α-pinene. N, number of replicates, NC number of individuals that didn't respond.
Fig. 1 in Electrophysiological responses of Philaenus spumarius and Neophilaenus campestris females to plant volatiles
Fig. 1. Projection to Latent Structures Discriminant Analysis (PLS-DA) of volatile compounds identified in different plant species. The score plot visualizes the structure of the samples according to the first two PLS components, with explained variance in brackets.
Fig. 2 in Electrophysiological responses of Philaenus spumarius and Neophilaenus campestris females to plant volatiles
Fig. 2. (a) Representative GC-EAD traces of female P. spumarius, to VOCs of C. creticus, n = 15. Electrophysiologically-active compounds are numbered: 1) β-pinene, 2) limonene, 3) cis-sabinene hydrate, 4) isoborneol, 5) δ-elemene, 6) β-selinene, top, GC trace (FID); bottom, antennal signal (EAD). (b) Total ion chromatogram of a C. creticus sample. The most abundant peaks have been annotated.
Tri-trophic interactions with avian predators: the effect of host plant species and herbivore-induced plant volatiles on recruiting avian predators
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Data from: Floral volatiles structure plant-pollinator interactions in a diverse community across the growing season
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Data from: Intraspecific variation in herbivore-induced plant volatiles influences the spatial range of plant-parasitoid interactions
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Data from: Fungal volatiles influence plant defence against aboveground and belowground herbivory
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Data from: Plant defence responses to volatile alert signals are population-specific
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Bacterial community richness shifts the balance between volatile organic compound-mediated microbe-pathogen and microbe-plant interactions
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Data from: Varying the spatial arrangement of synthetic herbivore-induced plant volatiles and companion plants to improve conservation biological control
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