Transcriptomics

Dataset Information

2

Genome-wide analysis of toc1-2 transcriptional networks


ABSTRACT: To gain insights into the mechanisms of TOC1 function in the Arabidopsis circadian clock we performed transcriptional profiling of Wild-Type (WT) and and TOC1 mutant plants (toc1-2) under constant light conditions for two days. Comparisons of WT and toc1-2. Two biological replicates each per array. Two Arabidopsis Oligonucleotide Microarrays (two-color Cy3 and Cy5). synchronized under 12-hour light:12-hour dark (LD) cycles for 10 days followed by two days under constant light conditions. Samples were collected at circadian time 16 (CT16).

ORGANISM(S): Arabidopsis thaliana  

SUBMITTER: Juan C Cuevas   Paloma Mas  Tommaso Legnaioli 

PROVIDER: E-GEOD-18001 | ArrayExpress | 2010-05-05

SECONDARY ACCESSION(S): GSE18001PRJNA119285

REPOSITORIES: GEO, ArrayExpress

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Publications

TOC1 functions as a molecular switch connecting the circadian clock with plant responses to drought.

Legnaioli Tommaso T   Cuevas Juan J   Mas Paloma P  

The EMBO journal 20091008 23


Despite our increasing knowledge on the transcriptional networks connecting abscisic acid (ABA) signalling with the circadian clock, the molecular nodes in which both pathways converge to translate the environmental information into a physiological response are not known. Here, we provide evidence of a feedback mechanism linking the circadian clock with plant responses to drought. A key clock component (TOC1, timing of CAB expression 1) binds to the promoter of the ABA-related gene (ABAR/CHLH/GU  ...[more]

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