GEO DataSets

Analysis of 5-day-old, light-grown gun1-9 and gun5 mutant whole seedlings treated with norflurazon, an inhibitor of chloroplast development. GUN1 and GUN5 are involved in plastid-to-nucleus retrograde signaling. Results provide insight into nuclear genes under the control of retrograde pathways.

Organism:

Arabidopsis thaliana

Type:

Expression profiling by array, count, 2 agent, 3 genotype/variation sets

Platform:

GPL198

Series:

GSE12887

18 Samples

Download data: CEL

(Submitter supplied) Analysis of the genome wide response of wild type and two mutant arabidopsis thaliana seedlings to norflurazon Keywords: Genome wide response to inhibition of chloroplast development

Organism:

Arabidopsis thaliana

Type:

Expression profiling by array

Dataset:

GDS3379

Platform:

GPL198

18 Samples

Download data: CEL

(Submitter supplied) This study aims at investigating the gene expression profile of Arabidopsis ppi2-1 mutant. Using Super-SAGE, we compared the gene expression profile of ppi2-1 mutant with that of wild-type Arabidopsis.

Organism:

Arabidopsis thaliana

Type:

Expression profiling by SAGE

Platform:

GPL7109

2 Samples

Download data

(Submitter supplied) This SuperSeries is composed of the SubSeries listed below.

Organism:

Arabidopsis thaliana

Type:

Expression profiling by array

Platform:

GPL198

27 Samples

Download data: CEL

(Submitter supplied) The role of abscisic acid (ABA) signalling in the ascorbic acid (AA)-dependent control of plant growth and defence was determined using the vtc1 and vtc2 mutants, which have impaired ascorbic acid synthesis, and in the abi4 mutant that is impaired in ABA-signalling. ABA levels were increase in the mutants relative to the wild type (Col0). Like vtc1 the vtc2 mutants have a slow growth relative to Col0. more...

Organism:

Arabidopsis thaliana

Type:

Expression profiling by array

Platform:

GPL198

10 Samples

Download data: CEL

(Submitter supplied) The role of abscisic acid (ABA) signalling in the ascorbic acid (AA)-dependent control of plant growth and defence was determined using the vtc1 and vtc2 mutants, which have impaired ascorbic acid synthesis, and in the abi4 mutant that is impaired in ABA-signalling. ABA levels were increase in the mutants relative to the wild type (Col0). Like vtc1 the vtc2 mutants have a slow growth relative to Col0. more...

Organism:

Arabidopsis thaliana

Type:

Expression profiling by array

Platform:

GPL198

17 Samples

Download data: CEL

(Submitter supplied) Retrograde signals emanate from the DNA-containing cell organelles (plastids and mitochondria) and control the expression of a large number of nuclear genes in response to environmental and developmental cues. GENOMES UNCOUPLED1 (GUN1) participating in multiple retrograde signaling pathways that collectively regulate the nuclear transcriptome. We used microarrays to further investigate the regulation of nuclear gene expression by PGE retrograde signals mediated by GUN1.

Organism:

Arabidopsis thaliana

Type:

Expression profiling by array

Platform:

GPL17416

12 Samples

Download data: CEL, CHP

(Submitter supplied) Shortly after the release of singlet oxygen (1O2), drastic changes in nuclear gene expression occur in the conditional flu mutant of Arabidopsis that reveal a rapid transfer of signals from the plastid to the nucleus. In contrast to retrograde control of nuclear gene expression by plastid signals described earlier, the primary effect of 1O2 generation in the flu mutant is not the control of chloroplast biogenesis but the activation of a broad range of signaling pathways known to be involved in biotic and abiotic stress responses. more...

Organism:

Arabidopsis thaliana

Type:

Expression profiling by array

Platform:

GPL198

10 Samples

Download data: CEL, CHP

(Submitter supplied) Plastids emit signals that broadly affect cellular processes. Based on previous genetic analyses, we propose that plastid signaling regulates the downstream components of a light signaling network and that these interactions coordinate chloroplast biogenesis with both the light environment and development by regulating gene expression. We tested these ideas by analyzing light-regulated and plastid-regulated transcriptomes. more...

Organism:

Arabidopsis thaliana

Type:

Expression profiling by array

Platform:

GPL198

47 Samples

Download data: CEL, CHP, TXT

(Submitter supplied) For establishing the photosynthetic apparatus plant cells must orchestrate the expression of genes encoded in both nucleus and chloroplast. Therefore a crosstalk between the two compartments is necessary. We employed a trivalent gene expression profiling approach in order to elucidate the changes in gene expression that occur during the early steps of light-induced chloroplast biogenesis.

Organism:

Arabidopsis thaliana

Type:

Expression profiling by array

Platform:

GPL17416

9 Samples

Download data: CEL

(Submitter supplied) To identify chloroplastic H2O2-responseive genes, an estrogen-inducible RNAi method was used for silencing of tAPX, a H2O2-scavenging enzyme in chloroplasts. At 48 h after treatment with estrogen, the expression of tAPX was silenced in the IS-tAPX-19-23 plants, but not in the IS-GUS-2-17 plants (negative control), resulting a large change in gene expression. These genes are candidates for chloroplastic H2O2-responseive genes.

Organism:

Arabidopsis thaliana

Type:

Expression profiling by array

Platform:

GPL7299

4 Samples

Download data: TXT

(Submitter supplied) GUN1 integrates retrograde signals in the chloroplast but the underlying mechanism is elusive. FUG1, a chloroplast translation initiation factor, and GUN1 are co-expressed at the transcript level, and FUG1 co-immunoprecipitates with GUN1. We used mutants of GUN1 (gun1-103) and FUG1 (fug1-3) to analyse their functional relationship at the physiological and systems-wide level, the latter including transcriptome and proteome analyses. more...

Organism:

Arabidopsis thaliana

Type:

Expression profiling by high throughput sequencing

Platform:

GPL17639

12 Samples

Download data: TXT

(Submitter supplied) The first described feedback loop of the Arabidopsis circadian clock is based on reciprocal regulation between TOC1 and CCA1/LHY. CCA1 and LHY are MYB transcription factors that bind directly to the TOC1 promoter to negatively regulate its expression. Conversely, the activity of TOC1 has remained less well characterized. Genetic data supports that TOC1 is necessary for the reactivation of CCA1/LHY, but there is little description of its biochemical function. more...

Organism:

Arabidopsis thaliana

Type:

Expression profiling by array

Platform:

GPL198

24 Samples

Download data: CEL

(Submitter supplied) In response to WRKY40 and WRKY60 perturbation (and high light stress), significant transcriptional re-programming occurs particularly for genes encoding stress responsive mitochondrial and choloplast proteins. We used microarrays to analyse the response to WRKY40 and WRKY63 KO/OE in resonse to high light stress.

Organism:

Arabidopsis thaliana

Type:

Expression profiling by array

Platform:

GPL198

30 Samples

Download data: CEL, CHP

(Submitter supplied) This SuperSeries is composed of the SubSeries listed below.

Organism:

Arabidopsis thaliana

Type:

Expression profiling by high throughput sequencing; Non-coding RNA profiling by high throughput sequencing

Platform:

GPL26208

6 Samples

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(Submitter supplied) RNA-seq experiment of WT, hy5, phyab and pifq mutant seedlings grown for 3 days in darkness or continuous white light.

Organism:

Arabidopsis thaliana

Type:

Expression profiling by high throughput sequencing

Platform:

GPL17639

24 Samples

Download data: TXT