Silencing of human polycomb target genes is associated with methylation of histone H3 Lys 27

Antonis Kirmizis, Stephanie M. Bartley, Andrei Kuzmichev, Raphael Margueron, Danny Reinberg, Roland Green, Peggy J. Farnham

Research output: Contribution to journalArticle

396 Citations (Scopus)

Abstract

Polycomb group (PcG) complexes 2 and 3 are involved in transcriptional silencing. These complexes contain a histone lysine methyltransferase (HKMT) activity that targets different lysine residues on histones H1 or H3 in vitro. However, it is not known if these histones are methylation targets in vivo because the human PRC2/3 complexes have not been studied in the context of a natural promoter because of the lack of known target genes. Here we report the use of RNA expression arrays and CpG-island DNA arrays to identify and characterize human PRC2/3 target genes. Using oligonucleotide arrays, we first identified a cohort of genes whose expression changes upon siRNA-mediated removal of Suz12, a core component of PRC2/3, from colon cancer cells. To determine which of the putative target genes are directly bound by Suz12 and to precisely map the binding of Suz12 to those promoters, we combined a high-resolution chromatin immunoprecipitation (ChIP) analysis with custom oligonucleotide promoter arrays. We next identified additional putative Suz12 target genes by using ChIP coupled to CpG-island microarrays. We showed that HKMT-Ezh2 and Eed, two other components of the PRC2/3 complexes, colocalize to the target promoters with Suz12. Importantly, recruitment of Suz12, Ezh2 and Eed to target promoters coincides with methylation of histone H3 on Lys 27.

Original languageEnglish (US)
Pages (from-to)1592-1605
Number of pages14
JournalGenes and Development
Volume18
Issue number13
DOIs
StatePublished - Jul 1 2004
Externally publishedYes

Fingerprint

Histones
Methylation
Oligonucleotide Array Sequence Analysis
CpG Islands
Chromatin Immunoprecipitation
Genes
Histone-Lysine N-Methyltransferase
Colonic Neoplasms
Small Interfering RNA
Lysine
RNA
Gene Expression

Keywords

  • Chromatin immunoprecipitation
  • Eed
  • Histone methylation
  • Polycomb
  • RNA interference
  • Suz12

ASJC Scopus subject areas

  • Genetics
  • Developmental Biology

Cite this

Kirmizis, A., Bartley, S. M., Kuzmichev, A., Margueron, R., Reinberg, D., Green, R., & Farnham, P. J. (2004). Silencing of human polycomb target genes is associated with methylation of histone H3 Lys 27. Genes and Development, 18(13), 1592-1605. https://doi.org/10.1101/gad.1200204

Silencing of human polycomb target genes is associated with methylation of histone H3 Lys 27. / Kirmizis, Antonis; Bartley, Stephanie M.; Kuzmichev, Andrei; Margueron, Raphael; Reinberg, Danny; Green, Roland; Farnham, Peggy J.

In: Genes and Development, Vol. 18, No. 13, 01.07.2004, p. 1592-1605.

Research output: Contribution to journalArticle

Kirmizis, A, Bartley, SM, Kuzmichev, A, Margueron, R, Reinberg, D, Green, R & Farnham, PJ 2004, 'Silencing of human polycomb target genes is associated with methylation of histone H3 Lys 27', Genes and Development, vol. 18, no. 13, pp. 1592-1605. https://doi.org/10.1101/gad.1200204
Kirmizis A, Bartley SM, Kuzmichev A, Margueron R, Reinberg D, Green R et al. Silencing of human polycomb target genes is associated with methylation of histone H3 Lys 27. Genes and Development. 2004 Jul 1;18(13):1592-1605. https://doi.org/10.1101/gad.1200204
Kirmizis, Antonis ; Bartley, Stephanie M. ; Kuzmichev, Andrei ; Margueron, Raphael ; Reinberg, Danny ; Green, Roland ; Farnham, Peggy J. / Silencing of human polycomb target genes is associated with methylation of histone H3 Lys 27. In: Genes and Development. 2004 ; Vol. 18, No. 13. pp. 1592-1605.
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