The cellular transcription factor USF cooperates with varicella-zoster virus immediate-early protein 62 to symmetrically activate a bidirectional viral promoter

Jeffery L. Meier, Xu Luo, Michèle Sawadogo, Stephen E. Straus

Research output: Contribution to journalArticle

102 Citations (Scopus)

Abstract

The mechanisms governing the function of cellular USF and herpesvirus immediate-early transcription factors are subjects of considerable interest. In this regard, we identified a novel form of coordinate gene regulation involving a cooperative interplay between cellular USF and the varicella- zoster virus immediate-early protein 62 (IE 62). A single USF-binding site defines the potential level of IE 62-dependent activation of a bidirectional viral early promoter of the DNA polymerase and major DNA-binding protein genes. We also report a dominant negative USF-2 mutant lacking the DNA- binding domain that permits the delineation of the biological role of both USF-1 and USF-2 in this activation process. The symmetrical stimulation of the bidirectional viral promoter by IE 62 is achieved at concentrations of USF-1 (43 kDa) or USF-2 (44 kDa) already existing in cells. Our observations support the notion that cellular USF can intervene in and possibly target promoters for activation by a herpesvirus immediate-early protein.

Original languageEnglish (US)
Pages (from-to)6896-6906
Number of pages11
JournalMolecular and cellular biology
Volume14
Issue number10
DOIs
StatePublished - Jan 1 1994

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Upstream Stimulatory Factors
Immediate-Early Proteins
Herpesviridae
DNA-Binding Proteins
DNA-Directed DNA Polymerase
Genes
Transcription Factors
Binding Sites
DNA
Human herpesvirus 3 IE62 protein

ASJC Scopus subject areas

  • Molecular Biology
  • Cell Biology

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The cellular transcription factor USF cooperates with varicella-zoster virus immediate-early protein 62 to symmetrically activate a bidirectional viral promoter. / Meier, Jeffery L.; Luo, Xu; Sawadogo, Michèle; Straus, Stephen E.

In: Molecular and cellular biology, Vol. 14, No. 10, 01.01.1994, p. 6896-6906.

Research output: Contribution to journalArticle

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