GEO DataSets

(Submitter supplied) This oligonucleotide array is based on the Arabidopsis Genome Oligo Set Version 1.0 (Operon). This set consists of 26,090 oligonucleotides that correspond to 23,542 annotated genes in Release 4.0 of The Institute for Genomic Research Arabidopsis thaliana Genome Annotation Database. In addition, several elements of a flower-specific cDNA array were printed (this array is deposited at GEO under the name 'Meyerowitz lab flower-specific cDNA array'; accession number GPL1069). more...

Organism:

Arabidopsis thaliana

2 DataSets

8 Series

41 Samples

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(Submitter supplied) This experiment describes gene expression during early Arabidopsis flower development. We used a 35S:AP1-GR ap1 cal line to induce synchronized flower development by specifically activating the AP1-GR fusion protein in ap1 cal inflorescence-like meristems through dexamethasone treatment. Tissue samples were collected immediately after the treatment, as well as at one-day intervals for the following five days. more...

Organism:

Arabidopsis thaliana

Type:

Expression profiling by array

Platform:

GPL2810

20 Samples

Download data: GPR

(Submitter supplied) The gene expression profiles of inflorescences of the floral homeotic mutants apetala1, apetala2, apetala3, pistillata, and agamous were compared to wild-type inflorescences using a flower-specific cDNA array (GSM21001-21015) and a "whole-genome" oligonucleotide array (Operon) (GSM21016-21035). All experiments were performed at least in triplicate. This SuperSeries is composed of the SubSeries listed below.

Organism:

Arabidopsis thaliana

Type:

Expression profiling by array

Datasets:

GDS866 GDS867

Platforms:

GPL1077 GPL1069

35 Samples

Download data: GPR

(Submitter supplied) Elements for the flower-specific cDNA microarray were obtained from three different sources. First, for those genes that are known or suspected to be involved in flower development, we either amplified fragments of their transcribed regions from cDNA or, if available, obtained cDNA clones from EST clone collections. Second, we generated cDNA libraries using RNA extracted from different floral tissues. more...

Organism:

Arabidopsis thaliana

8 Series

57 Samples

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Comparison of gene expression profiles of inflorescences of the floral homeotic mutants apetala1, apetala2, apetala3, pistillata, and agamous with that of wild type plants. Several genes predicted to have floral organ-specific expression patterns.

Organism:

Arabidopsis thaliana

Type:

Expression profiling by array, log ratio, 5 genotype/variation sets

Platform:

GPL1077

Series:

GSE1275

10 Samples

Download data: GPR

Comparison of gene expression profiles of inflorescences of the floral homeotic mutants apetala1, apetala2, apetala3, pistillata, and agamous with that of wild type plants. Several genes predicted to have floral organ-specific expression patterns.

Organism:

Arabidopsis thaliana

Type:

Expression profiling by array, log ratio, 5 genotype/variation sets

Platform:

GPL1077

Series:

GSE1275

10 Samples

Download data: GPR

(Submitter supplied) Microarray timecourse experiments conducted across flower development from initiation of floral development to anthesis of the mature flower

Organism:

Arabidopsis thaliana

Type:

Expression profiling by array

Platform:

GPL9020

42 Samples

Download data: TXT

(Submitter supplied) To obtain detailed information about gene expression during stamen development in Arabidopsis thaliana, we compared, by microarray analysis, the gene expression profile of wild-type inflorescences to those of the floral mutants apetala3, sporocyteless/nozzle, and male sterile 1, in which different aspects of stamen formation are disrupted. These experiments led to the identification of groups of genes with predicted expression at early, intermediate and late stages of stamen development. more...

Organism:

Arabidopsis thaliana

Type:

Expression profiling by array

Platform:

GPL5762

33 Samples

Download data: GPR

(Submitter supplied) Our results provide a foundation for comparative gene expression studies between eudicots and basal angiosperms. We identified whorl-specific gene expression patterns in Eschscholzia, and examined the floral expression of several gene families, such as MADS-box, bHLH and MYB. Interestingly, most homologs of genes important for flower development, except for MADS-box genes, show different expression patterns between Eschscholzia and Arabidopsis. more...

Organism:

Eschscholzia californica

Type:

Expression profiling by array

Platform:

GPL10947

32 Samples

Download data

(Submitter supplied) Inflorescences of ag-1;35S::AG-GR plants were treated for 0,4,8,10, or 16 hours with dexamethasone or were mock-treated. Two biologically independent sets of samples were generated and RNA probes derived from these samples were co-hybridized to a cDNA array enriched for flower-specific transcripts. Keywords: time-course

Organism:

Arabidopsis thaliana

Type:

Expression profiling by array

Platform:

GPL1069

10 Samples

Download data: GPR

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

Organism:

Arabidopsis thaliana

Type:

Expression profiling by array

Platforms:

GPL9989 GPL9982

60 Samples

Download data: GPR, TXT

(Submitter supplied) This experiment describes gene expression after the activation of APETALA1-GR, to study and identify AP1 target genes. We used a 35S:AP1-GR ap1 cal line to induce a synchronized response activating the AP1-GR fusion protein in ap1 cal inflorescence-like meristems through dexamethasone treatment. Tissue samples were collected immediately after the treatment, as well as subsequent timepoints. The expression profiles of the individual samples were then analyzed by gene expression profiling using whole-genome oligonucleotide arrays (non-commercial; Meyerowitz Lab Arabidopsis Operon Array v4). more...

Organism:

Arabidopsis thaliana

Type:

Expression profiling by array

Platform:

GPL9989

20 Samples

Download data: GPR, TXT

(Submitter supplied) This experiment describes gene expression after the activation of APETALA1-GR, to study and identify AP1 target genes. We used a 35S:AP1-GR ap1 cal line to induce a synchronized response activating the AP1-GR fusion protein in ap1 cal inflorescence-like meristems through dexamethasone treatment. Tissue samples were collected immediately after the treatment, as well as subsequent timepoints. The expression profiles of the individual samples were then analyzed by gene expression profiling using whole-genome oligonucleotide arrays (non-commercial; Meyerowitz Lab Arabidopsis Operon Array v4). more...

Organism:

Arabidopsis thaliana

Type:

Expression profiling by array

Platform:

GPL9989

20 Samples

Download data: GPR, TXT

(Submitter supplied) The MADS-domain transcription factor APETALA1 (AP1) is a key regulator of Arabidopsis flower development. To understand the molecular mechanisms underlying AP1 function, we identified its target genes during floral initiation using a combination of gene expression profiling and genome-wide binding studies. Many of its targets encode transcriptional regulators, including known floral repressors. The latter genes are down-regulated by AP1, suggesting that it initiates floral development by abrogating the inhibitory effects of these genes. more...

Organism:

Arabidopsis thaliana

Type:

Genome binding/occupancy profiling by high throughput sequencing

Platform:

GPL9062

4 Samples

Download data: SOA

(Submitter supplied) This experiment describes gene expression after the activation of APETALA1-GR, to study and identify AP1 target genes. We used a 35S:AP1-GR ap1 cal line to induce a synchronized response activating the AP1-GR fusion protein in ap1 cal inflorescence-like meristems through dexamethasone or dexamethasone+cycloheximide treatment. Tissue samples were collected at 3hrs after the treatment. The expression profiles of the individual samples were then analyzed by gene expression profiling using whole-genome oligonucleotide arrays (Agilent, custom-commercial).

Organism:

Arabidopsis thaliana

Type:

Genome variation profiling by SNP array

Platform:

GPL9984

16 Samples

Download data: TXT

(Submitter supplied) This experiment describes gene expression after the activation of APETALA1-GR, to study and identify AP1 target genes. We used a 35S:AP1-GR ap1 cal line to induce a synchronized response activating the AP1-GR fusion protein in ap1 cal inflorescence-like meristems through dexamethasone treatment. Tissue samples were collected immediately after the treatment, as well as subsequent timepoints. The expression profiles of the individual samples were then analyzed by gene expression profiling using whole-genome oligonucleotide arrays (Agilent, custom-commercial). more...

Organism:

Arabidopsis thaliana

Type:

Expression profiling by array

Platform:

GPL9982

20 Samples

Download data: TXT

(Submitter supplied) Comparion of gene expression profiles of wild-type and apetala1 inflorescences The gene expression profile of inflorescences of the floral homeotic mutant apetala1 was compared to wild-type inflorescences (Ler) using a whole-genome oligonucleotide array (Agilent, custom-commercial). Experiment was performed in triplicate.

Organism:

Arabidopsis thaliana

Type:

Expression profiling by array

Platform:

GPL9982

3 Samples

Download data: TXT

(Submitter supplied) Current understanding of floral developmental genetics comes primarily from the core-eudicot model Arabidopsis thaliana. Here we explore the floral transcriptome of the basal angiosperm, Nuphar advena (water lily), for insights into the ancestral developmental program of flowers. Several thousand Nuphar genes with significantly up-regulated floral expression are identified, including homologs of the well-known ABCE floral regulators. more...

Organism:

Nuphar advena

Type:

Expression profiling by array

Platform:

GPL10719

32 Samples

Download data: TXT

(Submitter supplied) Investigation of genome-wide gene expression in sepals, petals, stamens, staminodia and carpels in pre-anthesis Aquilegia flowers. One goal was to identify transcriptional signatures associated with petaloidy by comparing gene expression in petals and petaloid sepals. Other goals were to study the evolutionary origin and ecological function of staminodia by comparing a) expression patterns in stamens, staminodia and carpels, b) identifying transcriptional regulators expressed in staminodia and c) using gene set enrichment analysis to identify biological processes operating in staminodia.

Organism:

Aquilegia formosa x Aquilegia pubescens; Aquilegia formosa

Type:

Expression profiling by array

Platform:

GPL9791

15 Samples

Download data: PAIR

(Submitter supplied) Background: Vicia sativa (the common vetch) possesses a predominant zygomorphic flower and belongs to the subfamily Papilionoideae, which is related to Arabidopsis thaliana in the eurosid II clade of the core eudicots. Each vetch flower consists of 21 concentrically arranged organs: the outermost five sepals, then five petals and ten stamens, and a single carpel in the center. Methodology/Principal Findings: We explored the floral transcriptome to examine a genome-scale genetic model of the zygomorphic flower of vetch. more...

Organism:

Vicia sativa

Type:

Expression profiling by high throughput sequencing

Platform:

GPL15174

8 Samples

Download data: TXT