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Transcription profiling of Arabidopsis wild type Columbia-0 and mutant gh3.5-1D in response to pathogen Pst DC3000(avrRpt2)

ABSTRACT: To reveal the underlying molecular mechanism of GH3.5 action in modulating the SA and auxin pathways, we performed transcriptional profiling of gh3.5-1D plants after infection with or without Pst DC3000(avrRpt2) on a global scale using the Affymetrix Arabidopsis ATH1 GeneChip Experiment Overall Design: Each 3 leaves of plants of 5-week-old wild type Columbia-0 and mutant gh3.5-1D (heterozygous) were inoculated with Pst DC3000(avrRpt2)at 105 cfu mL-1. Leaves were harvested at 0 h (uninoculated) and 48 hours after inoculation. Three biological repeats were performed on Columbia-0 (wild-type, Col-0) and gh3.5-1D (mutant) after infection with or without Pst DC3000(avrRpt2), respectively.

ORGANISM(S): Arabidopsis thaliana

SUBMITTER: Li Qun

PROVIDER: E-GEOD-6556 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Dual regulation role of GH3.5 in salicylic acid and auxin signaling during Arabidopsis-Pseudomonas syringae interaction.

Zhang Zhongqin Z Li Qun Q Li Zhimiao Z Staswick Paul E PE Wang Muyang M Zhu Ying Y He Zuhua Z

Plant physiology 20070817 2

Salicylic acid (SA) plays a central role in plant disease resistance, and emerging evidence indicates that auxin, an essential plant hormone in regulating plant growth and development, is involved in plant disease susceptibility. GH3.5, a member of the GH3 family of early auxin-responsive genes in Arabidopsis (Arabidopsis thaliana), encodes a protein possessing in vitro adenylation activity on both indole-3-acetic acid (IAA) and SA. Here, we show that GH3.5 acts as a bifunctional modulator in bo ...[more]

PMID: 17704230

Similar Datasets

Expression profiling of A. thaliana wild type Columbia-0 and mutant gh3.5-1D in response to pathogen Pst DC3000(avrRpt2)

Project description:To reveal the underlying molecular mechanism of GH3.5 action in modulating the SA and auxin pathways, we performed transcriptional profiling of gh3.5-1D plants after infection with or without Pst DC3000(avrRpt2) on a global scale using the Affymetrix Arabidopsis ATH1 GeneChip Keywords: Pathogen-response

2006-12-18 | GSE6556 | GEO

Microarray analysis of Atelp2, npr1 and wild type (Col-0) infected with the avirulent bacterial pathogen Pst DC3000/avrRpt2

Project description:The goal of the microarray experiment was to determine the induction kinetics of transcriptome changes in the Arabidopsis mutant Atelp2, npr1 and wild type in response to infection of the avirulent bacterial pathogen Pst DC3000/avrRpt2. Results indicated that Atelp2 exhibited slower kinetcis of transcriptional changes than the wild type after Pst DC3000/avrRpt2 infection, whereas npr1 did not show significant alteration in the induction kinetics. Three biological replicates with leaves from 8 plants per sample were collected at 0, 4, 8, and 12 hours after inoculation with the avirulent bacterial pathogen Pst DC3000/avrRpt2. After extraction, RNA concentration was determined on a NanoDrop Spectrophotometer (Thermofisher Scientific, Waltham, MA) and sample quality was assessed using the 2100 Bioanalyzer (Agilent Technologies, Santa Clara, CA). Each replicate was used as one sample for microarray analysis.

2012-06-29 | E-GEOD-38986 | biostudies-arrayexpress

Microarray analysis of med14 and wild type (Col-0) infected with the avirulent bacterial pathogen Pst DC3000/avrRpt2

Project description:The goal of the microarray experiment was to determine the induction kinetics of transcriptome changes and to identify differentially expressed genes in the Arabidopsis mutant med14 and wild type in response to infection of the avirulent bacterial pathogen Pst DC3000/avrRpt2. Results indicated that med14 exhibited slower kinetcis of transcriptional changes than the wild type after Pst DC3000/avrRpt2 infection, and the induction of a large group of defense genes was suppressed in the med14 mutant. Three biological replicates with leaves from 8 plants per sample were collected at 0, 4, 8, and 12 hours after inoculation with the avirulent bacterial pathogen Pst DC3000/avrRpt2. After extraction, RNA concentration was determined on a NanoDrop Spectrophotometer (Thermofisher Scientific, Waltham, MA) and sample quality was assessed using the 2100 Bioanalyzer (Agilent Technologies, Santa Clara, CA). Each replicate was used as one sample for microarray analysis.

2013-05-18 | E-GEOD-45212 | biostudies-arrayexpress

Microarray analysis of med14, med16, npr1, and wild type (Col-0) infected with the avirulent bacterial pathogen Pst DC3000/avrRpt2

Project description:The goal of the microarray experiment was to identify genes that are differentially expressed among the Arabidopsis mutant med14, med16, npr1, and wild type in response to infection of the avirulent bacterial pathogen Pst DC3000/avrRpt2. Results indicated that the induction of a large group of defense genes was suppressed in the med14 mutant compared with both med16 and the wild type. Three biological replicates with leaves from 8 plants per sample were collected at 0 and 4 hours after inoculation with the avirulent bacterial pathogen Pst DC3000/avrRpt2. After extraction, RNA concentration was determined on a NanoDrop Spectrophotometer (Thermofisher Scientific, Waltham, MA) and sample quality was assessed using the 2100 Bioanalyzer (Agilent Technologies, Santa Clara, CA). Each replicate was used as one sample for microarray analysis.

2013-05-18 | E-GEOD-45214 | biostudies-arrayexpress

Microarray analysis of Atelp2, npr1 and wild type (Col-0) infected with the avirulent bacterial pathogen Pst DC3000/avrRpt2

2012-06-30 | GSE38986 | GEO

Microarray analysis of At-med16-1 and wild type (Col-0) infected with the avirulent bacterial pathogen Pst DC3000/avrRpt2

Project description:The goal of the microarray experiment was to identify defense genes that were differentially expressed in the Arabidopsis mutant At-med16-1 and wild type in response to infection of the avirulent bacterial pathogen Pst DC3000/avrRpt2. Results indicated that, compared with the wild type, several positive regulators of SAR (systemic acquired resistance) were downregulated and a group of SAR negative regulators were upregulated in At-med16-1. Three biological replicates with leaves from 8 plants per sample were collected at 0, 4, 8, and 24 hours after inoculation with the avirulent bacterial pathogen Pst DC3000/avrRpt2. After extraction, RNA concentration was determined on a NanoDrop Spectrophotometer (Thermofisher Scientific, Waltham, MA) and sample quality was assessed using the 2100 Bioanalyzer (Agilent Technologies, Santa Clara, CA). Equal amount of RNA from the 3 biological replicates were pooled as one sample for microarray analysis.

2012-06-29 | E-GEOD-38999 | biostudies-arrayexpress

Microarray analysis of med14 and wild type (Col-0) infected with the avirulent bacterial pathogen Pst DC3000/avrRpt2

2013-05-18 | GSE45212 | GEO

Microarray analysis of med14, med16, npr1, and wild type (Col-0) infected with the avirulent bacterial pathogen Pst DC3000/avrRpt2

2013-05-18 | GSE45214 | GEO

Microarray analysis of At-med16-1 and wild type (Col-0) infected with the avirulent bacterial pathogen Pst DC3000/avrRpt2

2012-06-30 | GSE38999 | GEO

Genome-wide expression analysis of PTI and ETI responses in wild type and PRR-deficient Arabidopsis plants

Project description:Purpose: The goal of this study is to demonstrate the global expression profile of Arabidopsis wild type and PRR mutant plants in response to PTI- and ETI-eliciting strains of Pseudomonas syringae pv tomato (Pst) bacterium. Methods: Four-week-old Arabidopsis plant leaves were infiltrated with sterile water (Mock) or different Pst strains and harvested at 3h or 6h after infiltration for RNA extraction and deep sequencing by Illumina. Raw data were cleaned up and trimmed and reads were mapped to Arabidopsis genome. Gene expression levels were calculated using the TPM method (Transcripts per Kb of exon model per Million mapped reads). Results and Conclusions: This study showed that Pst DC3000 D36E and D36E(avrRpt2) strains both induced significant gene expression changes (with changes of more than 3000 and 7000 genes respectively) in Col-0 plant, and D36E(avrRpt2) strain induced stronger expression changes globally. Furthermore, many genes are differentially regulated in the PRR mutant plants in response to D36E inoculation compared with wild type plant; however, D36E(avrRpt2) inoculation induced very similar expression patterns in two genotypes, suggesting that ETI can largely restore PTI-associated gene expression in the PRR mutant plant. In addition, we also found that ETI can largely induce the expression levels of many key PTI signaling components.

2021-01-18 | GSE142747 | GEO

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