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RNA-Seq of Arabidopsis Col-0 seedlings treated with L-Glu, urea, SA, and distilled water, and Col-0 and sid2 seedlings treated with L-Glu and urea

ABSTRACT: This SuperSeries is composed of the SubSeries listed below.

ORGANISM(S): Arabidopsis thaliana

PROVIDER: GSE123622 | GEO | 2019/12/06

REPOSITORIES: GEO

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RNA-Seq of Arabidopsis Col-0 seedlings treated with L-Glu, urea, SA, and distilled water.

Project description:Plant resistance inducers (PRIs) are compounds that protect crops from diseases by activating plant immunity. The exogenous treatment with glutamate (Glu), an important amino acid for living organisms, was shown to induce resistance against fungal pathogen in rice and tomato. To understand the molecular mechanism of Glu-induced immunity, we developed a model system using Arabidopsis thaliana. Here, we found that exogenous treatment with Glu to Arabidopsis enhances resistance against Pseudomonas syringae pv. tomato DC3000 and Colletotrichum higginsianum. Consistently, transcriptome analyses of Arabidopsis seedlings treated with Glu showed that Glu significantly induces the expression of wound, defense, and stress related genes. Interestingly, Glu activates the expression of pathogen or damage associated molecular patterns (PAMP or DAMP)–inducible genes at much later time points than PAMP/DAMPs normally do. Moreover, expression of Glu-inducible genes does not require known components of PAMP receptor complex, glutamate receptors, salicylic acid-biosynthesis enzyme, or glutamate decarboxylase. In addition, Glu also enhances PAMP-inducible immune responses, such as production of reactive oxygen species and mitogen-activated protein kinase activation. These results show that Glu activates PAMP/DAMP-triggered immunity signaling pathway in a novel manner.

2019-12-06 | GSE123620 | GEO

RNA-Seq of Arabidopsis Col-0 and sid2 seedlings treated with L-Glu and urea

2019-12-06 | GSE123621 | GEO

RNA-Seq of Arabidopsis Col-0 seedlings treated with L-Glu, urea, SA, and distilled water, and Col-0 and sid2 seedlings treated with L-Glu and urea

Project description:RNA-Seq of Arabidopsis Col-0 seedlings treated with L-Glu, urea, SA, and distilled water, and Col-0 and sid2 seedlings treated with L-Glu and urea

| PRJNA509415 | ENA

RNA-Seq of Arabidopsis Col-0 seedlings treated with L-Glu, urea, SA, and distilled water.

Project description:RNA-Seq of Arabidopsis Col-0 seedlings treated with L-Glu, urea, SA, and distilled water.

| PRJNA509414 | ENA

RNA-Seq of Arabidopsis Col-0 and sid2 seedlings treated with L-Glu and urea

Project description:RNA-Seq of Arabidopsis Col-0 and sid2 seedlings treated with L-Glu and urea

| PRJNA509417 | ENA

Arabidopsis Col-0 and cerk1 treated with chitosan or water

Project description:Microbe-associated molecular pattern (MAMP)-triggered immunity (MTI) is the first layer of molecular defense encountered by pathogens when they attempt to infect plants. MTI is dependent on cell surface pattern-recognition receptors (PRR) which act upstream of mitogen-activated protein kinase (MAPK) pathways. Genetic screening and mutant knock-out lines have largely contributed to our knowledge of MTI. However, genetic screening is confined to phenotype-causing mutations and scarcely enables the discovery of redundantly-acting proteins. We sought to discover protein components that contribute in MTI, using a phenotype-independent approach to discern nucleus-localized proteins after MTI induction. We report on the nuclear proteome of Columbia-0 (Col-0) and chitin elicitor receptor kinase 1 (cerk1) mutant plants 15 min after MTI induction. Our approach revealed that MAMP-treated cerk1 plants had many proteins in common with Col-0-treated plants following chitosan treatment. cerk1 plants also manifested several unique proteins that were absent from Col-0 plants when elicited with chitosan indicating that they also perceive chitosan. Detailed analysis of the identified proteins revealed a nuclear accumulation of transcriptional regulators and transcription factors, DNA-modifying enzymes, RNA-binding proteins and ribosomal proteins. No novel MAPKs were found although Receptor for activated C kinase 1, a scaffold protein involved in defense, and a nucleotide binding leucine-rich repeat protein, implicated in resistance to Leptosphaeria maculans, were discovered in the nucleus of chitosan-treated plants and absent from water-treated control plants.

2018-10-26 | PXD003821 | Pride

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

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 whole genome bisulfite-seq to profile the methylome associated with this long-lasting JA-IR.

2022-11-07 | GSE163262 | GEO

Exogenous slaicylic acid (SA) treatment of Arabidopsis thaliana Col-0

Project description:0.5 mM SA plus 0.02% Silwet or 0.02% Silwet (control) was sprayed on leaves of 3.5 week old Arabidopsis plants. Samples were harvested at 0 (prior to treatment) , 3, 6, 12, and 24 hours post treatment. A subset of these samples were processed.

2011-11-03 | GSE33402 | GEO

Pearl millet seedlings treated with salicylic acid (SA)

Project description:Transcriptional profiling of SA-treated pearl millet seedlings over time [0, 12, 24 and 48 hours post treatment (hpt)]. Keywords: Time course, Stress response

2009-01-01 | GSE13480 | GEO

NO-deficient vs wild type Col-0 Arabidopsis seedlings

Project description:Nitric oxide regulates plant development and responses to stress. However, the mechanisms underlying its regulatory role are still poorly known, and the impact of endogenous NO on the genome-wide transcriptome of plants has not been studied. For that purpose, we compared the transcriptomes of NO-deficient nia1nia2, noa1-2 and nia1nia2noa1-2 mutant versus wild type Arabidopsis thaliana plants. A core comprising 66 NO-responsive genes with similar expression in all NO-deficient genotypes was identified. Among them, 46 were down- and 20 up-regulated in NO-deficient plants, and thus positively and negatively regulated by endogenous NO, respectively. Accordingly with changes in its transcriptome, the NO-deficient nia1nia2noa1-2 mutant accumulated anthocyanins and indolic glucosinolates, displayed abnormal iron homeostasis in shoots and roots, and also showed altered root sensitivity to hormones such as ABA, ET, CYK and IAA. Together the presented data suggest NO functions essentially as a modulator of hormone action.

2012-11-01 | GSE41958 | GEO

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