A Functionally Distinct TATA Box Required for Late Progression through the Epstein-Barr Virus Life Cycle

Author:

Serio Tricia R.1,Cahill Niamh1,Prout Matthew E.1,Miller George123

Affiliation:

1. Department of Molecular Biophysics and Biochemistry,1

2. Department of Epidemiology and Public Health,2 and

3. Department of Pediatric Infectious Diseases3 Yale University, New Haven, Connecticut 06520

Abstract

ABSTRACT During EBV infection, lytic DNA replication activates late gene expression in trans via an uncharacterized pathway. In this study, we mapped the target of this regulatory cascade to a variant TATA box (TATTAAA) and the 3′ flanking region within the core promoter of the BcLF1 gene. The inherent late activity of this core promoter is, surprisingly, disrupted by a heterologous enhancer, suggesting that late gene expression is regulated through core promoter sequences located in a transcriptionally inert environment.

Publisher

American Society for Microbiology

Subject

Virology,Insect Science,Immunology,Microbiology

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