Research article2010Peer reviewedOpen access
JMJ14, a JmjC domain protein, is required for RNA silencing and cell-to-cell movement of an RNA silencing signal in Arabidopsis
Searle, Iain R.; Pontes, Olga; Melnyk, Charles W.; Smith, Lisa M.; Baulcombe, David C.
Abstract
JMJ14 is a histone H3 Lys4 (H3K4) trimethyl demethylase that affects mobile RNA silencing in an Arabidopsis transgene system. It also influences CHH DNA methylation, abundance of endogenous transposon transcripts, and flowering time. JMJ14 acts at a point in RNA silencing pathways that is downstream from RNA-dependent RNA polymerase 2 (RDR2) and Argonaute 4 (AGO4). Our results illustrate a link between RNA silencing and demethylation of histone H3 trimethylysine. We propose that JMJ14 acts downstream from the Argonaute effector complex to demethylate histone H3K4 at the target of RNA silencing.
Keywords
RNA silencing; Arabidopsis; siRNAs; chromatin; histone demethylase
Published in
Genes and Development
2010, Volume: 24, number: 10, pages: 986--991
Publisher: Cold Spring Harbor Laboratory Press
UKÄ Subject classification
Genetics
Publication identifier
DOI: https://doi.org/10.1101/gad.579910
Permanent link to this page (URI)
https://res.slu.se/id/publ/84651