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Arabidopsis thaliana

ABSTRACT: Transcriptome changes triggered by Hyaloperonospora parasitica arabidopsis Noco2 in WT and wrky72 mutants at 96 hpt

OTHER RELATED OMICS DATASETS IN: E-GEOD-18329

PROVIDER: PRJNA117987 | ENA |

REPOSITORIES: ENA

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Transcriptome changes triggered by Hyaloperonospora parasitica arabidopsis Noco2 in WT and wrky72 mutants at 96 hpt

Project description:Functional characterization of AtWRKY72 using Arabidopsis T-DNA insertion lines showed that this gene is important for basal defense to root-knot nematode (RKN) and Hyaloperonospora parasitica arabidopsis (Hpa), but not several tested R gene-mediated defenses.To profile transcriptional reprogramming associated with AtWRKY72-dependent basal defense we used Affymetrix ATH1 GeneChips representing ~24,000 Arabidopsis genes. Three independent biological replicates were performed with Col-0, wrky72-1 and wrky72-2 plants at 96 hpt with HpaNoco2 or mock treatment. Using a false discovery rate of less than 0.05 we identified for each of these three lines genes that showed significant transcriptional changes in response to HpaNoco2 compared to the mock-treated controls. Identification of downstream targets of WRKY72 in Arabidopsis by this microarray suggests that WRKY72 uses a unique signaling pathway that involves AP2/ERF TFs independent of the ethylene signaling pathway. We intended to identify Arabidopsis genes that are regulated in WRKY72-dependent manner in response to Hyaloperonospora parasitica arabidopsis (Hpa) at 96 hpt. For this, we used Col-0 and two wrky72 mutant lines and compared the differentially expressed genes with the hypothesis ‘genes that are specifically regulated in Col-0 but not in wrky72 mutants are WRKY72-dependent genes’.

2010-08-09 | E-GEOD-18329 | biostudies-arrayexpress

Transcriptome changes triggered by Hyaloperonospora parasitica arabidopsis Noco2 in WT and wrky72 mutants at 96 hpt

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Transcription profiling of different Arabidopsis genotypes in a time series after infection with Hyaloperonospora parasitica isolates

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RNA-seq analysis of D-tagatose-treated Arabidopsis thaliana inoculated with Hyaloperonospora arabidopsidis isolate Noco-2

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Expression data from 2-week-old Arabidopsis untreated seedlings grown under a short day condition

Project description:The Arabidopsis thaliana defense regulator EDM2 was previously shown to be specifically required for disease resistance to the pathogenic oomycete Hyaloperonospora parasitica aradidopsis mediated by the R protein RPP7. We found EDM2 to have a promoting effect on several distinct developmental processes, such as leaf pavement cell development, vegetative phase change or the floral transition. We further identified the atypical protein kinase WNK8 to physically interact with EDM2 in nuclei. Microarray data support regulatory interactions between WNK8 and EDM2 as well as their functional association with the autonomous floral promotion pathway.

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