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GSE86935
Arabidopsis thaliana
21 Downloadable Samples
Arabidopsis Gene 1.0 ST Array (aragene10st)
Description
During low temperature exposure, temperate plant species increase their freezing tolerance in a process termed cold acclimation. During deacclimation in response to warm temperatures cold acclimated plants lose freezing tolerance and resume growth and development. While considerable effort has been directed toward understanding the molecular and metabolic basis of cold acclimation, much less information is available about the regulation of deacclimation. Here, we report metabolic (GC-MS) and transcriptional (microarrays, qRT-PCR) responses underlying deacclimation during the first 24 h after a shift of cold acclimated Arabidopsis thaliana (Columbia-0) plants to warm temperature. The data revealed a faster response of the transcriptome than of the metabolome and provided evidence for tightly regulated temporal responses at both levels. Metabolically deacclimation is associated with decreasing contents of sugars, amino acids and glycolytic and TCA cycle intermediates, indicating an increased need for carbon sources and respiratory energy production associated with growth resumption under warm temperature conditions. Deacclimation also involves extensive down-regulation of protein synthesis and changes in the metabolism of lipids and cell wall components. Altered hormonal regulation appears particularly important during deacclimation, with changes in the expression of genes related to auxin, gibberellin, brassinosteroid, jasmonate and ethylene metabolisms. Several transcription factor families controlling fundamental aspects of plant development are significantly regulated during deacclimation, emphasizing that loss of freezing tolerance and growth resumption are interrelated processes that are transcriptionally highly interrelated. Expression patterns of some clock oscillator components during deacclimation resembled those under warm conditions, indicating at least partial re-activation of the circadian clock. This study provide the first comprehensive analysis of the regulation of deacclimation in cold acclimated plants. The data indicate cascades of rapidly regulated genes and metabolites that underly the developmental switch resulting in reduced freezing tolerance and the resumption of growth. They constitute a reference dataset of genes, metabolites and pathways that are crucial during the first rapid phase of deacclimation and will be useful for the further analysis of this important but under-researched plant process.
Publication Title
Rapid transcriptional and metabolic regulation of the deacclimation process in cold acclimated Arabidopsis thaliana.
Sample Metadata Fields
Specimen part, Treatment
View Samples- Homo sapiens
- 8 Downloadable Samples
Illumina Genome Analyzer
Description
This SuperSeries is composed of the SubSeries listed below.
Publication Title
A model system for assessing and comparing the ability of exon microarray and tag sequencing to detect genes specific for malignant B-cells.
Sample Metadata Fields
Cell line
View Samples- Homo sapiens
- 8 Downloadable Samples
Illumina Genome Analyzer
Description
The purpose of this study was to develop a quantification method that can be used to assess the ability of exon microarray to detect malignant B-cell transcripts.
Publication Title
A model system for assessing and comparing the ability of exon microarray and tag sequencing to detect genes specific for malignant B-cells.
Sample Metadata Fields
Cell line
View Samples- Homo sapiens
- 84 Downloadable Samples
- Affymetrix Human Genome U133 Plus 2.0 Array (hgu133plus2)
Description
This SuperSeries is composed of the SubSeries listed below:
Publication Title
Diffuse large B-cell lymphoma classification system that associates normal B-cell subset phenotypes with prognosis.
Sample Metadata Fields
Specimen part
View Samples- Homo sapiens
- 70 Downloadable Samples
- Affymetrix Human Exon 1.0 ST Array [CDF: huex10st_Hs_ENSG_18.0 (huex10st)
Description
Background
Publication Title
No associated publication
Sample Metadata Fields
Specimen part
View Samples- Homo sapiens
- 21 Downloadable Samples
- Affymetrix Human Genome U133 Plus 2.0 Array (hgu133plus2), Affymetrix Human Exon 1.0 ST Array [CDF: huex10st_Hs_ENSG_20.0 (huex10st)
Description
This SuperSeries is composed of the SubSeries listed below.
Publication Title
A multiple myeloma classification system that associates normal B-cell subset phenotypes with prognosis.
Sample Metadata Fields
Specimen part, Disease
View Samples- Homo sapiens
- 64 Downloadable Samples
- Affymetrix Human Exon 1.0 ST Array [CDF: huex10st_Hs_ENSG_22.0 (huex10st)
Description
Objectives: In patients with tonsil squamous cell cancer (TSCC), radiation-therapy (RT) induce mucositis, which is clinically challenging with limited prophylactic interventions and no predictive tests. In a pilot study set-up, we performed global gene-expression analysis on human oral mucosa tissue and blood cells to identify differential expressed genes involved in mucositis pathogenesis.
Publication Title
No associated publication
Sample Metadata Fields
Specimen part, Disease, Disease stage, Treatment, Time
View Samples- Homo sapiens
- 61 Downloadable Samples
- Affymetrix Human Genome U133 Plus 2.0 Array (hgu133plus2)
Description
Gene expression profiling was performed for 28 DLBCL primary clinical samples and assignment of activated B-cell-like(ABC)/germinal center B-cell-like (GCB) DLBCL classes, B-cell-associated gene signature (BAGS), and a probability of response to doxorubicin was performed for each sample.
Publication Title
High miR-34a expression improves response to doxorubicin in diffuse large B-cell lymphoma.
Sample Metadata Fields
Specimen part, Disease stage, Treatment
View Samples- Homo sapiens
- 54 Downloadable Samples
- Affymetrix Human Genome U133 Plus 2.0 Array (hgu133plus2)
Description
Purpose
Publication Title
Diffuse large B-cell lymphoma classification system that associates normal B-cell subset phenotypes with prognosis.
Sample Metadata Fields
Specimen part
View Samples- Homo sapiens
- 43 Downloadable Samples
- Affymetrix Human Genome U133 Plus 2.0 Array (hgu133plus2)
Description
This SuperSeries is composed of the SubSeries listed below.
Publication Title
Molecular classification of tissue from a transformed non-Hogkin's lymphoma case with unexpected long-time remission.
Sample Metadata Fields
Sex, Specimen part
View Samples