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E2F1-dependent methyl cap formation requires RNA pol II phosphorylation

E2F1-dependent methyl cap formation requires RNA pol II phosphorylation

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Original languageEnglish
Pages2146-2148
Number of pages3
JournalCell Cycle
Journal publication date1 Jun 2012
Journal number11
Volume11
DOIs
StatePublished

Abstract

Gene expression is a process integral to cell proliferation. The E2F family of transcription factors upregulates expression of transcripts whose products are essential for cell cycle progression. Here, we report that E2F1 promotes gene expression by an additional mechanism, that is, formation of the methyl cap on RNA pol II transcripts. The methyl cap is required for mRNA maturation, expression and stability. We demonstrate that E2F1 increases RNA pol II phosphorylation, which promotes recruitment of the methyl cap synthetic enzymes. Upregulation of RNA pol II phosphorylation is required for E2F1-dependent methyl cap formation.

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