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TranscriptomicsABI3 Network Walking
Deciphering gene regulatory networks (GRNs) is a key for understanding gene expression regulations in living systems. Here, we describe the investigation of the ABSCISIC ACID INSENSITIVE 3 (ABI3) plant transcription factor GRN vicinity by a technique called Network Walking. The method involves trans...
ORGANISM(S): Arabidopsis thaliana 
2013-01-01 | E-GEOD-33344 | biostudies-arrayexpress
TranscriptomicsA systemic view of coordinated root responses to NO3- heterogeneous environment in Arabidopsis
We investigated the morphological roots decisions of Arabidopsis in a NO3- heterogeneous medium. To do so, we used the Split-Root System which is an experimental set up to assess root decisions in nutrient heterogeneous medium. Split-root plants have been subjected to three different treatments. ‘Co...
ORGANISM(S): Arabidopsis thaliana 
2011-12-01 | E-GEOD-22966 | biostudies-arrayexpress
TranscriptomicsExpression data from Arabidopsis thaliana
Nitrogen and light are two major regulators of plant metabolism and development. While genes involved in the control of each of these signals have begun to be identified, regulators that integrate gene responses to nitrogen and light signals have yet to be determined. Here, we evaluate the role of ...
ORGANISM(S): Arabidopsis thaliana 
2010-08-25 | E-GEOD-21601 | biostudies-arrayexpress
TranscriptomicsAnalysis of the nitrate-responsive transcriptome of the Arabidopsis root
Nitrate and other nitrogen metabolites can act as signals that regulate global gene expression in plants. Adaptive changes in plant morphology and physiology triggered by changes in nitrate availability are partly explained by these changes in gene expression. Despite several genome-wide efforts to ...
ORGANISM(S): Arabidopsis thaliana 
2013-07-01 | E-GEOD-44062 | biostudies-arrayexpress
TranscriptomicsHNI9/IWS1 mutant transcriptome in nitrogen-contrasted environments
Effect of the high nitrogen insensitive 9 (hni9) mutation in contrasted nitrogen environments. hni9 vs. WT, and Low Nitrogen vs. High Nitrogen environments. 2 biological replicates per genotype/environment.
ORGANISM(S): Arabidopsis thaliana 
2011-03-01 | E-GEOD-24738 | biostudies-arrayexpress
TranscriptomicsImpact of NRT1.1 point mutants on gene expression under high NH4NO3 supply
NRT1.1 is a nitrate transceptor involved in many nitrate responses including the regulation of gene expression through (i) the Primary Nitrate Response (PNR) and (ii) the regulation the NRT2.1 gene under continuous high NH4NO3 conditions. Phosphorylation of NRT1.1’s T101 residue is involved in the m...
ORGANISM(S): Arabidopsis thaliana 
2015-01-15 | E-GEOD-49437 | biostudies-arrayexpress
TranscriptomicsHit-and-run transcriptional control by bZIP1 mediates rapid nutrient signaling in Arabidopsis
To identify potential transient interactions between a TF and its targets, we developed an approach that can identify primary targets based either on TF-induced regulation or TF-binding, assayed in the same samples. Our studies focused on the TF bZIP1 (BASIC LEUCINE ZIPPER 1), a central integrator o...
ORGANISM(S): Arabidopsis thaliana 
2014-06-23 | E-GEOD-54049 | biostudies-arrayexpress
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