USF and NF-E2 Cooperate to regulate the recruitment and activity of RNA polymerase ii in the β-globin gene locus

Zhuo Zhou, Xingguo Li, Changwang Deng, Paul A. Ney, Suming Huang, Jörg Bungert

Research output: Contribution to journalArticle

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Abstract

The human β-globin gene is expressed at high levels in erythroid cells and regulated by proximal and distal cis-acting DNA elements, including promoter, enhancer, and a locus control region (LCR). Transcription complexes are recruited not only to the globin gene promoters but also to the LCR. Previous studies have implicated the ubiquitously expressed transcription factor USF and the tissue-restricted activator NF-E2 in the recruitment of transcription complexes to the β-globin gene locus. Here we demonstrate that although USF is required for the efficient association of RNA polymerase II (Pol II) with immobilized LCR templates, USF and NF-E2 together regulate the association of Pol II with the adult β-globin gene promoter. Recruitment of Pol II to the LCR occurs in undifferentiated murine erythroleukemia cells, but phosphorylation of LCR-associated Pol II at serine 5 of the C-terminal domain is mediated by erythroid differentiation and requires the activity of NF-E2. Furthermore, we provide evidence showing that USF interacts with NF-E2 in erythroid cells. The data provide mechanistic insight into how ubiquitous and tissue-restricted transcription factors cooperate to regulate the recruitment and activity of transcription complexes in a tissue-specific chromatin domain.

Original languageEnglish (US)
Pages (from-to)15894-15905
Number of pages12
JournalJournal of Biological Chemistry
Volume285
Issue number21
DOIs
StatePublished - May 21 2010

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Locus Control Region
Personnel Selection
Globins
DNA-Directed RNA Polymerases
Genes
Transcription
Erythroid Cells
Tissue
Upstream Stimulatory Factors
Association reactions
Leukemia, Erythroblastic, Acute
Phosphorylation
RNA Polymerase II
Serine
Chromatin
Transcription Factors
DNA

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Molecular Biology
  • Cell Biology

Cite this

Zhou, Zhuo ; Li, Xingguo ; Deng, Changwang ; Ney, Paul A. ; Huang, Suming ; Bungert, Jörg. / USF and NF-E2 Cooperate to regulate the recruitment and activity of RNA polymerase ii in the β-globin gene locus. In: Journal of Biological Chemistry. 2010 ; Vol. 285, No. 21. pp. 15894-15905.
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USF and NF-E2 Cooperate to regulate the recruitment and activity of RNA polymerase ii in the β-globin gene locus. / Zhou, Zhuo; Li, Xingguo; Deng, Changwang; Ney, Paul A.; Huang, Suming; Bungert, Jörg.

In: Journal of Biological Chemistry, Vol. 285, No. 21, 21.05.2010, p. 15894-15905.

Research output: Contribution to journalArticle

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