Unknown,Transcriptomics,Genomics,Proteomics

Dataset Information

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Transcription profiling of Arabidopsis potassium-starved and caesium-treated plants


ABSTRACT: At high concentrations ceasium (Cs) is toxic to plant growth. This toxic effect may occur when Cs blocks potassium (K) uptake mechanisms in plants. Consequently, plants starved of K and plants exposed to toxic concentrations of Cs should have similar gene expression patterns. To test this hypothesis, Arabidopsis will initially be grown on agar containing 1/10 MS salts before being transferred to either 1/10 MS nutrient solution (control plants), 1/10 MS nutrient solution containing 2 mM Cs, or 1/10 MS nutrient solution with no K. Roots and shoot will then be harvested seven days after transfer and used to challenge ATH1 GeneChips.

ORGANISM(S): Arabidopsis thaliana

SUBMITTER: unknown unknown 

PROVIDER: E-NASC-61 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Large-scale analysis of Arabidopsis transcription reveals a basal co-regulation network.

Atias Osnat O   Chor Benny B   Chamovitz Daniel A DA  

BMC systems biology 20090903


<h4>Background</h4>Analyses of gene expression data from microarray experiments has become a central tool for identifying co-regulated, functional gene modules. A crucial aspect of such analysis is the integration of data from different experiments and different laboratories. How to weigh the contribution of different experiments is an important point influencing the final outcomes. We have developed a novel method for this integration, and applied it to genome-wide data from multiple Arabidopsi  ...[more]

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