期刊
GENES & DEVELOPMENT
卷 24, 期 10, 页码 986-991出版社
COLD SPRING HARBOR LAB PRESS, PUBLICATIONS DEPT
DOI: 10.1101/gad.579910
关键词
RNA silencing; Arabidopsis; siRNAs; chromatin; histone demethylase
资金
- Gatsby Charitable Foundation
- EU [LSHG-CT-2006-037900]
- Edward Mallinckrodt Jr. Foundation
- Marie Curie Incoming International post-doctoral fellowship
- Wellcome Trust
- Commonwealth and NSERC
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.
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