Yawan Plant Phylogeny
Ontology highlight
ABSTRACT:
PROVIDER: PRJEB21032 | ENA |
REPOSITORIES: ENA
Similar Datasets
Project description:The role of plant-derived food sources in plant-herbivore-carnivore interactions is an essential topic in basic ecology, and it is directly linked to the applied discipline of biological pest control. Honeydew, which phloem-feeding hemipteran insects excrete, constitutes a rich source of carbohydrates and proteins for beneficial insects in ecosystems. However, the quality of this plant-derived food source depends on its composition. Here we demonstrated that plant proteins in honeydew increase the fitness of a parasitic wasp (member of the third-trophic level).
2024-06-05 | PXD042138 | Pride
Project description:Plant compensatory responses depends on transcriptional reprogramming. We used microarray analysis to understand the differential gene expression pattern between clipped (herbivore browsed) and unclipped plant. Arabidopsis ecotypes Columbia and Landsberg erecta were chosen due to their differential compensatory response. The plants were grown in greenhouse. At bolting stage the plants were clipped to imitate herbivore damage. Following day the samples were collected from clipped and unclipped plants.
2013-03-02 | E-GEOD-44781 | biostudies-arrayexpress
Project description:Plant compensatory responses depends on transcriptional reprogramming. We used microarray analysis to understand the differential gene expression pattern between clipped (herbivore browsed) and unclipped plant.
2013-03-02 | GSE44781 | GEO
Project description:Seasonal microbial plankton dynamics in bacterial plankton aquatic food webs of hypertrophic shallow lakes
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Project description:It is widely accepted that in many food webs, the trophic transfer efficiency among primary producers and herbivores is determined by the nutritional value of primary producers. In pelagic freshwater and marine ecosystems, secondary production by herbivorous crustacean zooplankton is often limited by the seston's content of essential ω3 polyunsaturated fatty acids (ω3 PUFAs). However, little is known about the genetic network behind the positive relationship between phytoplankton ω3 PUFA content and zooplankton growth and reproduction. In our experimental study, we analysed gene expression changes of the freshwater cladoceran Daphnia magna under different food regimes differing in their ω3 PUFA composition. To disentangle ω3 PUFA effects from other factors, we fed D. magna with different pure phytoplankton cultures (i.e., algal and cyanobacterial diets) with or without supplementing the essential ω3 PUFA eicosapentaenoic acid (EPA). As hypothesized, we observed enhanced growth on diets supplemented with EPA. We applied an Illumina RNA-seq approach to D. magna from different diet treatments to find and monitor genes that are regulated dependent on EPA availability. Of 26,646 potential protein products (mapped to the D. magna genome), we identified transcriptomic signatures driven by the different food sources. Further analyses revealed specific candidate genes involved in EPA metabolism, irrespective of the basal food source. This allows a first functional annotation of previously uncharacterized genes involved in the EPA-specific response of D. magna and may finally provide a link to molecular processes connected to ω3 PUFA metabolism and conversion and thus trophic transfer efficiency in pelagic food webs.
2018-01-22 | GSE107545 | GEO
Project description:DICER-like proteins produce small RNAs that silence genes involved in development and defenses against viruses and pathogens. Which DCLs participate in plant-herbivore interactions remains unstudied. We identified four distinct DCL genes and stably silenced their expression by RNAi in Nicotiana attenuata, a model system for the study of plant-herbivore interactions. Silencing DCL1 expression was lethal to the plants. Manduca sexta larvae performed significantly better on ir-dcl3and ir-dcl4 plants, but not on ir-dcl2 plants compared to wild type plants. Phytohormones, defense metabolites and microarray analyses revealed that when DCL3 and DCL4 were silenced separately, herbivore resistance traits were regulated in distinctly different ways. Crossing of the lines revealed complex interactions in the patterns of regulation. Single ir-dcl4 and double ir-dcl2/ ir-dcl3 plants were impaired in JA accumulation, while JA-Ile was increased in ir-dcl3 plants. Ir-dcl3 and ir-dcl4 plants were impaired in nicotine accumulation; silencing DCL2 in combination with either DCL3 or DCL4 restored nicotine levels to those of WT. Trypsin proteinase inhibitor activity and transcripts were only silenced in ir-dcl3 plants. We conclude that DCL2/3/4 interact in a complex manner to regulate anti-herbivore defenses and that these interactions significantly complicate the already challenging task of understanding smRNA function in the regulation of biotic interactions.
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Project description:This dataset represents woody plants recorded in 16 1-ha forest plots in an elevational gradient in Madidi National Park, Bolivia, ranging from lowland Amazonian moist forest and lowland dry forest to the treeline of the Andean Altiplano. This work was carried out by David Henderson and Jonathan Myers (Washington University in St. Louis), Sebastian Tello (Missouri Botanical Garden and University of Missouri, St. Louis), and Brian Sedio (University of Texas at Austin and Smithsonian Tropical Research Institute).
2022-10-18 | MSV000090549 | MassIVE