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Article

Imprinting of the polycomb group gene MEDEA serves as a ploidy sensor in Arabidopsis.

PLoS genetics - 1 Sept 2009

Erilova Aleksandra, Brownfield Lynette, Exner Vivien, Rosa Marisa, Twell David, Mittelsten Scheid Ortrun, Hennig Lars, Köhler Claudia

Abstract excerpt

Balanced maternal and paternal genome contributions are a requirement for successful seed development. Unbalanced contributions often cause seed abortion, a phenomenon that has been termed "triploid block." Misregulation of imprinted regulatory genes has been proposed to be the underlying cause for abnormalities in growth and structure of the endosperm in seeds with deviating parental contributions. We identified...

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Identifiers

PMID: 19779546
DOI: 10.1371/journal.pgen.1000663
PMCID: PMC2738949

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 6 Sept 2026. Manifest publication-graph-cohort-2026-09-06.1.

Source receipt: pubmed, retrieved 6 Sept 2026.

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Imprinting of the polycomb group gene MEDEA serves as a ploidy sensor in Arabidopsis.PMID 19779546Read ↗

Dynamic regulatory interactions of Polycomb group genes: MEDEA autoregulation is required for imprinted gene expression in Arabidopsis.Semantic proximity Read ↗

Mutations in the FIE and MEA genes that encode interacting polycomb proteins cause parent-of-origin effects on seed development by distinct mechanisms.Semantic proximity Read ↗

The Polycomb-group protein MEDEA regulates seed development by controlling expression of the MADS-box gene PHERES1.Semantic proximity Read ↗

Maternal control of embryogenesis by MEDEA, a polycomb group gene in Arabidopsis.Semantic proximity Read ↗

Imprinting of the MEDEA polycomb gene in the Arabidopsis endosperm.Semantic proximity Read ↗

Maintenance of DNA methylation during the Arabidopsis life cycle is essential for parental imprinting.Semantic proximity Read ↗

Genomic imprinting: insights from plants.Semantic proximity Read ↗

Maintenance of genomic imprinting at the Arabidopsis medea locus requires zygotic DDM1 activity.Semantic proximity Read ↗

Genomic imprinting during seed development.Semantic proximity Read ↗

Imprinting of the MEA Polycomb gene is controlled by antagonism between MET1 methyltransferase and DME glycosylase.Semantic proximity Read ↗

Bypassing genomic imprinting allows seed development.Semantic proximity Read ↗

H3K27me3 profiling of the endosperm implies exclusion of polycomb group protein targeting by DNA methylation.Semantic proximity Read ↗

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