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Transcription profiling by array of Arabidopsis seeds from fis2 and wild type plants

ABSTRACT: At 3 days after pollination, RNA was extracted from seeds of WT and fis2 mutants, labeled and hybridized to ATH1 arrays.

ORGANISM(S): Arabidopsis thaliana

SUBMITTER: Lars Hennig

PROVIDER: E-TABM-1007 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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H3K27me3 profiling of the endosperm implies exclusion of polycomb group protein targeting by DNA methylation.

Weinhofer Isabelle I Hehenberger Elisabeth E Roszak Pawel P Hennig Lars L Köhler Claudia C

PLoS genetics 20101007 10

Polycomb group (PcG) proteins act as evolutionary conserved epigenetic mediators of cell identity because they repress transcriptional programs that are not required at particular developmental stages. Each tissue is likely to have a specific epigenetic profile, which acts as a blueprint for its developmental fate. A hallmark for Polycomb Repressive Complex 2 (PRC2) activity is trimethylated lysine 27 on histone H3 (H3K27me3). In plants, there are distinct PRC2 complexes for vegetative and repro ...[more]

PMID: 20949070

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