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Mutations in the Arabidopsis H3K4me2/3 demethylase JMJ14 suppress posttranscriptional gene silencing by decreasing transgene transcription.

The Plant cell - 1 Sept 2012

Le Masson Ivan, Jauvion Vincent, Bouteiller Nathalie, Rivard Maud, Elmayan Taline, Vaucheret Hervé

Abstract excerpt

Posttranscriptional gene silencing (PTGS) mediated by sense transgenes (S-PTGS) results in RNA degradation and DNA methylation of the transcribed region. Through a forward genetic screen, a mutant defective in the Histone3 Lysine4 di/trimethyl (H3K4me2/3) demethylase Jumonji-C (JmjC) domain-containing protein14 (JMJ14) was identified. This mutant reactivates various transgenes silenced by S-PTGS and shows reduced...

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Acetylation
Histones
Jumonji Domain-Containing Histone Demethylases
RNA Interference
RNA, Plant

Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

RNA Polymerase II

RNA, Small Interfering

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Identifiers

PMID: 23001035
DOI: 10.1105/tpc.112.103119
PMCID: PMC3480290

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Mutations in the Arabidopsis H3K4me2/3 demethylase JMJ14 suppress posttranscriptional gene silencing by decreasing transgene transcription.PMID 23001035Read ↗

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JMJ14, a JmjC domain protein, is required for RNA silencing and cell-to-cell movement of an RNA silencing signal in Arabidopsis.Semantic proximity Read ↗

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An Arabidopsis jmjC domain protein protects transcribed genes from DNA methylation at CHG sites.Semantic proximity Read ↗

Transgenerational stability of the Arabidopsis epigenome is coordinated by CG methylation.Semantic proximity Read ↗

An SGS3-like protein functions in RNA-directed DNA methylation and transcriptional gene silencing in Arabidopsis.Semantic proximity Read ↗

IBM1, a JmjC domain-containing histone demethylase, is involved in the regulation of RNA-directed DNA methylation through the epigenetic control of RDR2 and DCL3 expression in Arabidopsis.Semantic proximity Read ↗

METHIONINE ADENOSYLTRANSFERASE4 Mediates DNA and Histone Methylation.Semantic proximity Read ↗

RNAi, DRD1, and histone methylation actively target developmentally important non-CG DNA methylation in arabidopsis.Semantic proximity Read ↗

Regulatory link between DNA methylation and active demethylation in Arabidopsis.Semantic proximity Read ↗

JMJ24 binds to RDR2 and is required for the basal level transcription of silenced loci in Arabidopsis.Semantic proximity Read ↗

Interplay among RNA polymerases II, IV and V in RNA-directed DNA methylation at a low copy transgene locus in Arabidopsis thaliana.Semantic proximity Read ↗

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