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Title: The SET-domain protein SUVR5 mediates H3K9me2 deposition and silencing at stimulus response genes in a DNA methylation independent manner      
dateReleased:
08-26-2013
description:
In eukaryotic cells, environmental and developmental signals alter chromatin structure and modulate gene expression. Heterochromatin constitutes the transcriptionally inactive state of the genome and in plants and mammals is generally characterized by DNA methylation and histone modifications such as histone H3 lysine 9 (H3K9) methylation. In Arabidopsis thaliana DNA methylation and H3K9 methylation are usually colocated and set up a mutually self reinforcing and stable state. Here, in contrast, we found that SUVR5, a plant Su(var)3-9 homolog with a SET histone methyltransferase domain, mediates H3K9me2 deposition and regulates gene expression in a DNA-methylation-independent manner. SUVR5 binds DNA through its zinc fingers and represses the expression of a subset of stimulus response genes. This represents a novel mechanism for plants to regulate their chromatin and transcriptional state, which may allow for the adaptability and modulation necessary to rapidly respond to extracellular cues. Investigation of gene expression profiles of suvr5-1, ldl1 ldl2 and suvr5 ldl1 ldl2 mutants.
privacy:
not applicable
aggregation:
instance of dataset
ID:
E-GEOD-39405
refinement:
raw
alternateIdentifiers:
39405
keywords:
functional genomics
dateModified:
09-19-2013
availability:
available
types:
gene expression
name:
Arabidopsis thaliana
accessURL: https://www.ebi.ac.uk/arrayexpress/files/E-GEOD-39405/E-GEOD-39405.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-39405/E-GEOD-39405.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=GSE39405
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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