Transcriptomics

Dataset Information

3

Transcription profiling by array of Arabidopsis after growth in medium lacking sulphate


ABSTRACT: AtGenExpress: A multinational coordinated effort to uncover the transcriptome of the multicellular model organism Arabidopsis thaliana; The activity of genes and their encoded products can be regulated in several ways, but transcription is the primary level, since all other modes of regulation (RNA splicing, RNA and protein stability, etc.) are dependent on a gene being transcribed in the first place. The importance of transcriptional regulation has been underscored by the recent flood of global expression analyses, which have confirmed that transcriptional co-regulation of genes that act together is the norm, not the exception. Moreover, many studies suggest that evolutionary change is driven in large part by modifications of transcriptional programs. An essential first step toward deciphering the transcriptional code is to determine the expression pattern of all genes. With this goal in mind, an international effort to develop a gene expression atlas of Arabidopsis has been underway since fall 2003. This project, dubbed AtGenExpress, is funded by the DFG, and will provide the Arabidopsis community with access to a large set of Affymetrix microarray data. As part of this collaboration, we have generated expression data from 80 biologicaly different samples in triplicate. This experiment studies the effect of sulfate limitation in the roots of 10-day-old Arabidopsis seedlings from Columbia-0 ecotype; Experimenter name = Akiko Maruyama , Hideki Takahashi; Experimenter institute = AtGenExpress Experiment Overall Design: 22 samples were used in this experiment

INSTRUMENT(S): 418 [Affymetrix]

ORGANISM(S): Arabidopsis thaliana  

SUBMITTER: Nottingham Arabidopsis Stock Centre (NASC)  

PROVIDER: E-GEOD-5688 | ArrayExpress | 2008-06-14

SECONDARY ACCESSION(S): GSE5688PRJNA96983

REPOSITORIES: GEO, ArrayExpress

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