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Arabidopsis thaliana wild type mechanical damage (MD) vs herbivore wounding (HW)

ABSTRACT: Transcriptional profiling of Arabidopsis thaliana wild type (WT) comparing MD (mechanical damage) and HW (herbivore wounding). The differences in the biochemical responses to herbivory seen prompted us to search for less obvious differences between treatments using gene expression profiling. Biological replicates: 4

ORGANISM(S): Arabidopsis thaliana

PROVIDER: GSE40923 | GEO | 2012/09/18

SECONDARY ACCESSION(S): PRJNA175375

REPOSITORIES: GEO

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Arabidopsis thaliana wild type mechanical damage (MD) vs herbivore wounding (HW)

Project description:Transcriptional profiling of Arabidopsis thaliana wild type (WT) comparing MD (mechanical damage) and HW (herbivore wounding). The differences in the biochemical responses to herbivory seen prompted us to search for less obvious differences between treatments using gene expression profiling. Biological replicates: 4 Two-condition experiment, MD vs. HW Arabidopsis leaves of WT plants. Biological replicates: 4 biological replicates.

2012-09-18 | E-GEOD-40923 | biostudies-arrayexpress

Arabidopsis thaliana wild type and PDKO3 mutant mechanical damage (MD) vs herbivore wounding (HW)

Project description:Transcriptional profiling of Arabidopsis thaliana wild type (WT) and a line mutated in genes encoding plasmodesmata (PD) proteins (PDKO3) comparing MD (mechanical damage) and HW (herbivore wounding). The differences in the biochemical responses to herbivory seen in the PDKO3 when compared to the WT line, together with the absence of growth/developmental phenotypes in the former, prompted us to search for less obvious differences between the lines using gene expression profiling.

2018-08-05 | GSE31268 | GEO

Arabidopsis thaliana wild type mechanical damage (MD) vs Myzus persicae wounding (Myz)

Project description:Transcriptional profiling of Arabidopsis thaliana wild type (WT) comparing mechanical damage (MD) and Myzus persicae feeding (Myz). The differences in the biochemical responses to insect feeding seen when compared to the control sample prompted us to search for less obvious differences between the treatments using gene expression profiling. Biological replicates: 4 biological replicates

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Arabidopsis thaliana wild type mechanical damage (MD) vs Myzus persicae wounding (Myz)

2012-09-18 | E-GEOD-40924 | biostudies-arrayexpress

Dynamics of membrane potential variation and gene expression induced by Spodoptera littoralis, Myzus persicae, and Pseudomonas syringae in Arabidopsis

Project description:This SuperSeries is composed of the following subset Series: GSE40922: Arabidopsis thaliana wild type control (C) vs Pseudomonas syringae infected (Pseu) GSE40923: Arabidopsis thaliana wild type mechanical damage (MD) vs herbivore wounding (HW) GSE40924: Arabidopsis thaliana wild type mechanical damage (MD) vs Myzus persicae wounding (Myz) Refer to individual Series

2012-09-18 | E-GEOD-40926 | biostudies-arrayexpress

Effects of Drought and Flooding on Herbivore-Triggered Transcriptomic Response in Solanum dulcamara

Project description:We use Solanum dulcamara subjected to drought or flooding and damaged by Spodoptera exigua to analyze such interactions at multiple levels. Drought and herbivory caused comparable effects on S. dulcamara physiological response, which was reflected by a considerable overlap in S. dulcamara transcriptomic profiles. This included many defense responses and genes involved in biosynthesis of secondary metabolites that were induced by drought and herbivory but repressed by flooding. Furthermore, combination of drought and herbivory additively induced a part of these herbivore-induced responses suggesting that drought-stressed plants were more resistant. Our study provides concrete evidence of how abiotic stresses differentially affect the plant complex hormonal interactions to fine-tune plant responses to insects.

2016-05-27 | GSE69648 | GEO

Interactive responses of Solanum dulcamara to drought and insect feeding are herbivore species specific

Project description:In nature, plants are frequently subjected to multiple biotic and abiotic stresses, resulting in a convergence of adaptive responses. We hypothesized that hormonal signalling regulating defences to different herbivores may interact with drought response, causing distinct resistance phenotypes. To test this, we studied hormonal and transcriptomic responses of Solanum dulcamara subjected to drought and herbivory by the generalist Spodoptera exigua (BAW) or the specialist Leptinotarsa decemlineata (CPB). Bioassays showed that plants under drought became more resistant to BAW, but not to CPB. While drought did not alter BAW-induced hormonal responses, it enhanced CPB-induced accumulation of jasmonic acid and salicylic acid (SA) as well as supressed ethylene (ET) emission. Microarray analyses showed that under drought BAW herbivory enhanced several herbivore-induced responses, including cell-wall remodelling and metabolism of carbohydrates, lipids and secondary metabolites. In contrast, CPB herbivory enhanced several photosynthesis-related and pathogen responses in drought-stressed plants. This may divert resources away from the production of effective defences and increase tissue nutritive value. In conclusion, while BAW suffers from the drought-enhanced defences, CPB may benefit from effects of the enhanced SA and reduced ET signalling. This suggests that the fine-tuned interaction between the plant and its specialist herbivore is sustained under drought.

2018-11-26 | GSE122893 | GEO

Arabidopsis thaliana

Project description:Arabidopsis thaliana wild type mechanical damage (MD) vs herbivore wounding (HW)

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Project description:To evaluate the differential potential affected by SMARCE1 -MD/MD(R42A) , we performed RNA-sequencing (RNA-seq) of Smarce1-MD and control Smarce1-MD (R42A) embrynoic body.

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Gene expression in Su(Hw) null larvae

Project description:We examined the effects of loss of su(Hw) on gene expression in both carefully staged 3rd instar larvae (selected at the soft white pre-pupae stage) and wing imaginal discs from these animals. su(Hw) null animals were generated by crossing su(Hw)v mutants with a deficiency (Df(3R)ED5644), homozygous individuals were recognised be the lack of the dominat Tb marker carried on the TM6B marker. Keywords: ChIP-chip

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