ARGONAUTE4 control of locus-specific siRNA accumulation and DNA and histone methylation

ZILBERMAN D, Cao Xiaofeng, Jacobsen SE. 2003. ARGONAUTE4 control of locus-specific siRNA accumulation and DNA and histone methylation. Science. 299(5607), 716–719.

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Journal Article | Published | English

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Author
ZILBERMAN, DanielIST Austria; Cao, Xiaofeng; Jacobsen, Steven E.
Abstract
Proteins of the ARGONAUTE family are important in diverse posttranscriptional RNA-mediated gene-silencing systems as well as in transcriptional gene silencing in Drosophila and fission yeast and in programmed DNA elimination in Tetrahymena. We cloned ARGONAUTE4 (AGO4) from a screen for mutants that suppress silencing of the Arabidopsis SUPERMAN(SUP) gene. The ago4-1 mutant reactivated silentSUP alleles and decreased CpNpG and asymmetric DNA methylation as well as histone H3 lysine-9 methylation. In addition,ago4-1 blocked histone and DNA methylation and the accumulation of 25-nucleotide small interfering RNAs (siRNAs) that correspond to the retroelement AtSN1. These results suggest that AGO4 and long siRNAs direct chromatin modifications, including histone methylation and non-CpG DNA methylation.
Publishing Year
Date Published
2003-01-31
Journal Title
Science
Volume
299
Issue
5607
Page
716-719
ISSN
eISSN
IST-REx-ID

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ZILBERMAN D, Cao Xiaofeng, Jacobsen SE. ARGONAUTE4 control of locus-specific siRNA accumulation and DNA and histone methylation. Science. 2003;299(5607):716-719. doi:10.1126/science.1079695
ZILBERMAN, D., Cao, Xiaofeng, & Jacobsen, S. E. (2003). ARGONAUTE4 control of locus-specific siRNA accumulation and DNA and histone methylation. Science. American Association for the Advancement of Science. https://doi.org/10.1126/science.1079695
ZILBERMAN, Daniel, Xiaofeng Cao, and Steven E. Jacobsen. “ARGONAUTE4 Control of Locus-Specific SiRNA Accumulation and DNA and Histone Methylation.” Science. American Association for the Advancement of Science, 2003. https://doi.org/10.1126/science.1079695.
D. ZILBERMAN, Xiaofeng Cao, and S. E. Jacobsen, “ARGONAUTE4 control of locus-specific siRNA accumulation and DNA and histone methylation,” Science, vol. 299, no. 5607. American Association for the Advancement of Science, pp. 716–719, 2003.
ZILBERMAN D, Cao Xiaofeng, Jacobsen SE. 2003. ARGONAUTE4 control of locus-specific siRNA accumulation and DNA and histone methylation. Science. 299(5607), 716–719.
ZILBERMAN, Daniel, et al. “ARGONAUTE4 Control of Locus-Specific SiRNA Accumulation and DNA and Histone Methylation.” Science, vol. 299, no. 5607, American Association for the Advancement of Science, 2003, pp. 716–19, doi:10.1126/science.1079695.

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