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Title: Identification of genes cooperatively regulated by cytokinin and HD-ZIP III transcription factors      
dateReleased:
01-29-2014
description:
In Arabidopsis thaliana, cytokinin responsive B-type ARR transcription factors and HD-ZIP III transcription factors such as REVOLUTA (REV), act cooperatively as master regulators of shoot regeneration. To identify the downstream targets of ARR-HD-ZIP III transcriptional complex, we used an inducible line of REV, 35S::FLAG-GR-rREV, in which FLAG-tagged miR165/6-non-targetable form of REV (rREV)-GR fusion protein was expressed from 35S promoter. DEX treatment induced activation of REV by translocation of FLAG-GR-rREV fusion protein from cytoplasm to the nucleus. We treated 35S::FLAG-GR-rREV seedlings with 6-benzylaminopurine (6-BA, a cytokinin), dexamethasone (DEX), or 6-BA+DEX for 2 hours. Total RNAs were extracted and subjected to Agilent Arabidopsis Gene Expression Microarray analyses. The differentially expressed genes (>1.5-fold, p<0.05) were identified. 10-day-old 35S::FLAG-GR-rREV plants were treated with 6-benzylaminopurine (6-BA), dexamethasone (DEX), or 6-BA+DEX for 2 hours. DEX treatment induced activation of REV by translocation of FLAG-GR-rREV fusion protein from cytoplasm to the nucleus. Total RNA was extracted with RNeasy Mini Kit and hybridized to Agilent Arabidopsis Gene Expression Microarray. Differentially expressed genes were defined by a 1.5-fold expression difference with a P value<0.05. Biological replicates were performed.
privacy:
not applicable
aggregation:
instance of dataset
ID:
E-GEOD-54469
refinement:
raw
alternateIdentifiers:
54469
keywords:
functional genomics
dateModified:
06-03-2014
availability:
available
types:
gene expression
name:
Arabidopsis thaliana
ID:
A-GEOD-12621
name:
Agilent-021169 Arabidopsis 4 Oligo Microarray (V4) (Probe Name version)
accessURL: https://www.ebi.ac.uk/arrayexpress/files/E-GEOD-54469/E-GEOD-54469.raw.1.zip
storedIn:
ArrayExpress
qualifier:
gzip compressed
format:
TXT
accessType:
download
authentication:
none
authorization:
none
accessURL: https://www.ebi.ac.uk/arrayexpress/files/E-GEOD-54469/E-GEOD-54469.processed.1.zip
storedIn:
ArrayExpress
qualifier:
gzip compressed
format:
TXT
accessType:
download
authentication:
none
authorization:
none
accessURL: https://www.ncbi.nlm.nih.gov/geo/query/acc.cgi?acc=GSE54469
storedIn:
Gene Expression Omnibus
qualifier:
not compressed
format:
HTML
accessType:
landing page
primary:
true
authentication:
none
authorization:
none
abbreviation:
EBI
homePage: http://www.ebi.ac.uk/
ID:
SCR:004727
name:
European Bioinformatics Institute
homePage: https://www.ebi.ac.uk/arrayexpress/
ID:
SCR:002964
name:
ArrayExpress
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