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Expression profiling and functional analysis of poplar WRKY23 reveals a regulatory role in defense

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

ORGANISM(S): Populus sp. Populus tremula x Populus alba

PROVIDER: GSE16420 | GEO | 2009/08/01

SECONDARY ACCESSION(S): PRJNA116361

REPOSITORIES: GEO

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Transcription profiling of poplar WRKY23 reveals a regulatory role in defense

Project description:This SuperSeries is composed of the following subset Series:; GSE16417: Expression profiling and functional analysis of poplar WRKY23 reveals a regulatory role in defense: WRKY23-overexpressor; GSE16419: Expression profiling and functional analysis of poplar WRKY23 reveals a regulatory role in defense: WRKY23-RNAi Experiment Overall Design: Refer to individual Series

2009-08-09 | E-GEOD-16420 | biostudies-arrayexpress

Expression profiling and functional analysis of poplar WRKY23 reveals a regulatory role in defense: WRKY23-RNAi

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Expression profiling and functional analysis of poplar WRKY23 reveals a regulatory role in defense: WRKY23-overexpressor

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Transcription profiling of poplar WRKY23 reveals a regulatory role in defense: WRKY23-RNAi

Project description:To investigate the function of poplar WRKY23, we generated PtWRKY23-overexpressing and -underexpressing (RNAi) plants. Transgenic plants were inoculated with Melampsora rust or mock-inoculated for assessment of rust-resistance and for gene expression profiling using the poplar Affymetrix GeneChipÂ® to study the consequences of PtWRKY23 overexpression and underexpression. Transcriptome analysis of PtWRKY23 overexpressors revealed a significant overlap with the Melampsora-infection response. Transcriptome analysis also indicated that PtWRKY23 affects redox homeostasis and cell wall-related metabolism. Experiment Overall Design: Leaf discs from wildtype, WRKY23-overexpressor and WRKY23-RNAi plants were inoculated with Melampsora medusae f. sp. tremuloidae (Mmt) or were mock-inoculated (control). At five days post-inoculation, tissues were harvested for RNA extraction and hybridization on Affymetrix GeneChipsÂ®. Three biological replications were performed for each line and each inoculation or mock-inoculation. A total of 15 Affymetrix GeneChipsÂ® were used in this study. Data for the Mmt-inoculated WRKY23-RNAi plants were processed separately from the data for the WRKY23-overexpressor plants. The raw data for the Mmt-inoculated wildtype plants were the same in both cases. Normalized data for the Mmt-inoculated wildtype plants that were processed with the Mmt-inoculated WRKY23-RNAi plants are denoted with an "a" suffix. Experiment Overall Design: This part of the study includes 6 RNA samples consisting of three biological replicates for the Mmt-inoculated WT and WRKY23-RNAi (underexpressing) plants.

2009-08-09 | E-GEOD-16419 | biostudies-arrayexpress

Transcription profiling of poplar WRKY23 reveals a regulatory role in defense: WRKY23-overexpressor

Project description:To investigate the function of poplar WRKY23, we generated PtWRKY23-overexpressing and -underexpressing (RNAi) plants. Transgenic plants were inoculated with Melampsora rust or mock-inoculated for assessment of rust-resistance and for gene expression profiling using the poplar Affymetrix GeneChipÂ® to study the consequences of PtWRKY23 overexpression and underexpression. Transcriptome analysis of PtWRKY23 overexpressors revealed a significant overlap with the Melampsora-infection response. Transcriptome analysis also indicated that PtWRKY23 affects redox homeostasis and cell wall-related metabolism. Experiment Overall Design: Leaf discs from wildtype, WRKY23-overexpressor and WRKY23-RNAi plants were inoculated with Melampsora medusae f. sp. tremuloidae (Mmt) or were mock-inoculated (control). At five days post-inoculation, tissues were harvested for RNA extraction and hybridization to Affymetrix GeneChipsÂ®. Three biological replications were performed for each line and each inoculation or mock-inoculation. A total of 15 Affymetrix GeneChipsÂ® were used in this study. Data for the WRKY23-overexpressor plants were processed separately from the data for the Mmt-inoculated WRKY23-RNAi plants. The raw data for the Mmt-inoculated wildtype plants were the same in both cases. Experiment Overall Design: This part of the study includes 12 RNA samples consisting of three biological replicates for each of the mock-inoculated or Mmt-inoculated WT and WRKY23-overexpressing plants.

2009-08-09 | E-GEOD-16417 | biostudies-arrayexpress

Functional characterization of C. elegans Y-box binding proteins reveals tissue-specific functions and a critical role in the formation of polysomes

Project description:This SuperSeries is composed of the SubSeries listed below. Refer to individual Series

2015-01-08 | E-GEOD-62861 | biostudies-arrayexpress