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TranscriptomicsArabidopsis phytochrome A directly targets numerous promoters for individualized modulation of genes in wide range of pathways [RNA-seq]
The far-red light (FR) photoreceptor phytochrome A (phyA) contains no DNA binding domain but associates with CHS promoter through its chaperon FHY1 and transcription factors to regulate transcription. Here, we performed a genome-wide identification of phyA targets using a combination of phyA ChIP- a...
ORGANISM(S): Arabidopsis thaliana 
2014-05-06 | E-GEOD-48767 | biostudies-arrayexpress
GenomicsArabidopsis phytochrome A directly targets numerous promoters for individualized modulation of genes in wide range of pathways [ChIP-seq]
The far-red light (FR) photoreceptor phytochrome A (phyA) contains no DNA binding domain but associates with CHS promoter through its chaperon FHY1 and transcription factors to regulate transcription. Here, we performed a genome-wide identification of phyA targets using a combination of phyA ChIP- a...
ORGANISM(S): Arabidopsis thaliana 
2014-05-06 | E-GEOD-48769 | biostudies-arrayexpress
ProteomicsSucrose-Activated TOR and phyA Signaling Alleviates Shade-Mediated Inhibition of Leaf Development in Arabidopsis
To investigate how the sucrose-TOR signaling pathway regulates phyA, we conducted LC-MS/MS analysis to identify phosphorylation sites on phyA. In vivo, the phyA protein was immunoprecipitated from 35S::PHYA-YFP/phyA-211 seedlings treated with shade and 30 mM sucrose for 6 hours. In vitro, we used r...
ORGANISM(S): Arabidopsis thaliana (Mouse-ear cress) 
2026-03-21 | PXD075951 | Pride
Shade avoidance  sucrose  phya  tor  leaf development 
GenomicsThe photoreceptor chaperone FHY1 has an independent role in gene modulation and plant development under far-red light [ChIP-seq]
To incorporate the far-red light (FR) signal into a strategy for optimizing plant growth, FAR-RED ELONGATED HYPOCOTYL1 (FHY1) mediates the nuclear translocation of the FR photoreceptor phytochrome A (phyA) and facilitates the association of phyA with the promoters of numerous associated genes crucia...
ORGANISM(S): Arabidopsis thaliana 
2014-08-04 | E-GEOD-58083 | biostudies-arrayexpress
TranscriptomicsRuberti A.thaliana Shade Avoidance Response wt and phyA
Aim of the experiment is the identification of genes differentially regulated in phyA seedlings relative to wild type after prolonged exposure to low R/FR. To this end, gene expression changes were analysed in Arabidopsis wild-type and phyA knock-out mutant seedlings exposed to low R/FR light. The e...
ORGANISM(S): Arabidopsis thaliana 
2013-07-29 | E-MEXP-3267 | biostudies-arrayexpress
TranscriptomicsThe photoreceptor chaperone FHY1 has an independent role in gene modulation and plant development under far-red light [RNA-Seq]
To incorporate the far-red light (FR) signal into a strategy for optimizing plant growth, FAR-RED ELONGATED HYPOCOTYL1 (FHY1) mediates the nuclear translocation of the FR photoreceptor phytochrome A (phyA) and facilitates the association of phyA with the promoters of numerous associated genes crucia...
ORGANISM(S): Arabidopsis thaliana 
2014-08-04 | E-GEOD-58082 | biostudies-arrayexpress
TranscriptomicsExpression data from 10-days old dark grown Arabidopsis seedlings of wild type (Col-0), sps1 line and L17 line.
In the present work, experiments were carried out to understand the molecular mechanism underlying phyA’ silencing.The EMS-mutagenesis of phyA’ line, L17, generated suppressor mutations that activate phyA’ locus. Detailed study of one suppressor line, sps1, indicated that methylation of specific CG ...
ORGANISM(S): Arabidopsis thaliana 
2012-06-30 | E-GEOD-36581 | biostudies-arrayexpress
GenomicsArabidopsis phytochrome A directly targets numerous promoters for individualized modulation of genes in wide range of pathways
This SuperSeries is composed of the SubSeries listed below. Refer to individual Series
ORGANISM(S): Arabidopsis thaliana 
2014-05-06 | E-GEOD-48770 | biostudies-arrayexpress
UnknownHinge region of Arabidopsis phyA plays an important role in regulating phyA function.
Not available
S-EPMC6294956 | biostudies-literature
TranscriptomicsTranscription profiling of Arabidopsis thaliana phytochrome interacting factors 4 and 5 redundantly limit seedling de-etiolation in continuous far-red light.
Phytochromes are red/far red photosensors regulating numerous developmental programs in plants. Among them phytochrome A (phyA) is essential to enable seedling de-etiolation in continuous far-red (FR) light a condition mimicking the environment under a dense canopy. The ecological relevance of this ...
ORGANISM(S): Arabidopsis thaliana 
2009-09-17 | E-GEOD-16333 | biostudies-arrayexpress
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