Epigenetic Control of Light-Regulated Gene Expression in Arabidopsis

ABSTRACT: Although landscapes of several epigenetic marks are now available for Arabidopsis and rice, such profiles remain static and do not provide information about dynamic changes of plant epigenomes in response to developmental or environmental cues. Here we analyzed the effects of light regulation on four epigenetic histone modifications (H3K9ac, H3K9me3, H3K27ac, H3K27me3). Our genome-wide profiling of H3K9ac and H3K27ac revealed that these modifications are gene-specific. In contrast, we found that H3K9me3 and H3K27me3 target genes, but also intergenic-regions and transposable elements. Specific light conditions affected the number of epigenetically modified regions, as well as the overall correlation strength between the presence of specific epigenetic modifications and transcription. Futher

ORGANISM(S): Arabidopsis thaliana

SUBMITTER: Hang He 

PROVIDER: E-GEOD-15597 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress