RNA Pol IV plays catch with Argonaute 4

Cell. 2007 Nov 16;131(4):643-5. doi: 10.1016/j.cell.2007.10.044.

Abstract

Small-interfering RNAs regulate gene expression by affecting chromatin structure, transcription, translation, and RNA stability. In a recent report in Genes & Development, El-Shami et al. (2007) show that in plants, Argonaute 4-which is involved in RNA-directed DNA methylation-directly associates with RNA polymerase IVb through a repeat motif, establishing an intimate molecular link between RNAi and transcription.

MeSH terms

  • Animals
  • Arabidopsis / genetics
  • Arabidopsis / metabolism
  • Arabidopsis Proteins / genetics
  • Arabidopsis Proteins / metabolism*
  • Argonaute Proteins
  • DNA-Directed RNA Polymerases / genetics
  • DNA-Directed RNA Polymerases / metabolism*
  • Humans
  • RNA / genetics
  • RNA / metabolism
  • RNA Interference*
  • RNA, Small Interfering / metabolism
  • Transcription, Genetic*

Substances

  • AGO4 protein, Arabidopsis
  • Arabidopsis Proteins
  • Argonaute Proteins
  • RNA, Small Interfering
  • RNA
  • RNA polymerase IV, Arabidopsis
  • DNA-Directed RNA Polymerases