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Accession IconGSE31639

Identify differentially expressed genes in 14-day-old pkl seedlings

Organism Icon Arabidopsis thaliana
Sample Icon 6 Downloadable Samples
Technology Badge Icon Affymetrix Arabidopsis ATH1 Genome Array (ath1121501)

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CHD3 proteins are ATP-dependent chromatin remodeling factors that are components of diverse multisubunit complexes that can either repress or activate gene expression. In plants, the CHD3 protein PICKLE (PKL) is necessary for repression of seed-specific genes during germination and promotes deposition of the repressive epigenetic mark trimethylation of histone H3 lysine 27 (H3K27me3). It is unknown, however, if PKL acts directly at H3K27me3-enriched loci. We undertook a microarray analysis of 14-day-old plants and found that PKL continues to play an important role in expression of H3K27me3-enriched genes and in specification of developmental identity after germination.
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