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Whole genome bisulfite sequencing of five-week-old Arabidopsis thaliana (ecotype Col-0) plants from water and jasmonic acid treated seedlings.

ABSTRACT: Treatment of Arabidopsis thaliana (ecotype Col-0) seedlings with jasmonic acid (JA) elicits long-term induced resistance (IR) against the chewing herbivore Spodoptera littoralis. We used whole genome bisulfite-seq to profile the methylome associated with this long-lasting JA-IR.

ORGANISM(S): Arabidopsis thaliana

PROVIDER: GSE163262 | GEO | 2022/11/07

REPOSITORIES: GEO

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Long-lasting effect of jasmonic acid (JA) seedling treatment on the transcriptional response to JA challenge of five-week-old Arabidopsis thaliana (ecotype Col-0).

Project description:Treatment of Arabidopsis thaliana (ecotype Col-0) seedlings with jasmonic acid (JA) elicits long-term induced resistance (IR) against the chewing herbivore Spodoptera littoralis. We used RNA-seq to profile the transcriptional changes associated with this long-lasting JA-IR.

2022-11-07 | GSE163270 | GEO

Dicer-like proteins and their role in plant-herbivore interactions in Nicotiana attenuata

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.

2013-12-24 | GSE30124 | GEO

Early transcriptomic responses of rice leaves to herbivory by Spodoptera frugiperda

Project description:In this experiment we aimed to decipher the transcription response of rice to the different cues of an herbivory attack from the chewing caterpillar Spodoptera frugiperda. We performed a herbivory mimic procedure on seedlings and applied mechanical wounding (WOS), application of herbivore oral secretions (OS) after wounding (WOS+) and dysbiotic OS (WOS-) on rice leaves. RNA was extracted from control and treated leaves after two hours. 5 biological replicates corresponding to 5 pooled leaves were performed for each of the four condition

2023-08-31 | E-MTAB-13227 | biostudies-arrayexpress

Dicer-like proteins and their role in plant-herbivore interactions in Nicotiana attenuata

2013-12-24 | E-GEOD-30124 | biostudies-arrayexpress

Transcription profiling of Arapidopsis plants challenged for 3-5 hr with Spodoptera littoralis larvae

Project description:Arapidopsis plants were challenged for 3-5 hr with Spodoptera littoralis larvae

2004-11-01 | E-MEXP-159 | biostudies-arrayexpress

Transcription profiling of Arabidopsis signaling mutants (coi1, sid2, npr1, ein2, aba2, aba3) challenged with Pieris rapae and Spodoptera littoralis

Project description:Several Arabidopsis signaling mutants (coi1, sid2, npr1, ein2, aba2, aba3) were challenged with Pieris rapae and Spodoptera littoralis

2007-04-26 | E-MEXP-1049 | biostudies-arrayexpress

Spodoptera littoralis

Project description:Spodoptera littoralis

| PRJNA51155 | ENA

UNIL-Spodoptera littoralis-Wild type and mutant TFs

Project description:There is currently little information on which trancription factors control the expression of defence genes in response to herbivory in Arabidopsis thaliana. We performed a whole-genome analysis of Arabidopsis plants after feeding by Spodoptera littoralis larvae. Wild-type and knockout mutants in different insect-inducible transcription factors were either untreated (control plants) or challenged for 8 days with S. littoralis larvae (insect challenged plants).

2013-02-11 | E-MTAB-1418 | biostudies-arrayexpress

Spodoptera littoralis

Project description:Spodoptera littoralis overview

| PRJNA83713 | ENA

Jasmonic acid-responsive genes in rice leaves

Project description:Jasmonic acid (JA) is involved in various developmental processes and defense responses against abiotic and biotic stresses. We identified JA-responsive genes in rice leaves 6-48 h after treatment using rice 44k microarray.

2011-10-06 | GSE32634 | GEO

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