Histone H2A.Z and DNA methylation are mutually antagonistic chromatin marks

ZILBERMAN D, Coleman-Derr D, Ballinger T, Henikoff S. 2008. Histone H2A.Z and DNA methylation are mutually antagonistic chromatin marks. Nature. 456(7218), 125–129.


Journal Article | Published | English

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Author
ZILBERMAN, DanielIST Austria; Coleman-Derr, Devin; Ballinger, Tracy; Henikoff, Steven
Abstract
Eukaryotic chromatin is separated into functional domains differentiated by posttranslational histone modifications, histone variants, and DNA methylation1–6. Methylation is associated with repression of transcriptional initiation in plants and animals, and is frequently found in transposable elements. Proper methylation patterns are critical for eukaryotic development4,5, and aberrant methylation-induced silencing of tumor suppressor genes is a common feature of human cancer7. In contrast to methylation, the histone variant H2A.Z is preferentially deposited by the Swr1 ATPase complex near 5′ ends of genes where it promotes transcriptional competence8–20. How DNA methylation and H2A.Z influence transcription remains largely unknown. Here we show that in the plant Arabidopsis thaliana, regions of DNA methylation are quantitatively deficient in H2A.Z. Exclusion of H2A.Z is seen at sites of DNA methylation in the bodies of actively transcribed genes and in methylated transposons. Mutation of the MET1 DNA methyltransferase, which causes both losses and gains of DNA methylation4,5, engenders opposite changes in H2A.Z deposition, while mutation of the PIE1 subunit of the Swr1 complex that deposits H2A.Z17 leads to genome-wide hypermethylation. Our findings indicate that DNA methylation can influence chromatin structure and effect gene silencing by excluding H2A.Z, and that H2A.Z protects genes from DNA methylation.
Publishing Year
Date Published
2008-11-06
Journal Title
Nature
Volume
456
Issue
7218
Page
125-129
ISSN
eISSN
IST-REx-ID

Cite this

ZILBERMAN D, Coleman-Derr D, Ballinger T, Henikoff S. Histone H2A.Z and DNA methylation are mutually antagonistic chromatin marks. Nature. 2008;456(7218):125-129. doi:10.1038/nature07324
ZILBERMAN, D., Coleman-Derr, D., Ballinger, T., & Henikoff, S. (2008). Histone H2A.Z and DNA methylation are mutually antagonistic chromatin marks. Nature. Springer Nature. https://doi.org/10.1038/nature07324
ZILBERMAN, Daniel, Devin Coleman-Derr, Tracy Ballinger, and Steven Henikoff. “Histone H2A.Z and DNA Methylation Are Mutually Antagonistic Chromatin Marks.” Nature. Springer Nature, 2008. https://doi.org/10.1038/nature07324.
D. ZILBERMAN, D. Coleman-Derr, T. Ballinger, and S. Henikoff, “Histone H2A.Z and DNA methylation are mutually antagonistic chromatin marks,” Nature, vol. 456, no. 7218. Springer Nature, pp. 125–129, 2008.
ZILBERMAN D, Coleman-Derr D, Ballinger T, Henikoff S. 2008. Histone H2A.Z and DNA methylation are mutually antagonistic chromatin marks. Nature. 456(7218), 125–129.
ZILBERMAN, Daniel, et al. “Histone H2A.Z and DNA Methylation Are Mutually Antagonistic Chromatin Marks.” Nature, vol. 456, no. 7218, Springer Nature, 2008, pp. 125–29, doi:10.1038/nature07324.
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