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Journal of Virology, April 1999, p. 3505-3510, Vol. 73, No. 4
Department of Molecular Genetics and
Microbiology, The University of New Mexico School of Medicine,
Albuquerque, New Mexico 87131,1 and
Department of Microbiology and Immunology, The Pennsylvania
State University College of Medicine, Hershey, Pennsylvania
170332
Received 6 August 1998/Accepted 17 December 1998
Organotypic cultures support the stratification and differentiation
of keratinocytes and the human papillomavirus (HPV) life cycle. We
report transcription from four novel promoters in the HPV31b upstream
regulatory region during the viral life cycle in organotypic cultures.
Promoter initiation was not differentiation dependent; two promoters
were down-regulated upon epithelial differentiation.
0022-538X/99/$04.00+0
Copyright © 1999, American Society for Microbiology. All rights reserved.
Two Novel Promoters in the Upstream Regulatory
Region of Human Papillomavirus Type 31b Are Negatively
Regulated by Epithelial Differentiation
*
Corresponding author. Mailing address: Department of
Microbiology and Immunology, The Pennsylvania State University College of Medicine, Hershey, PA 17033. Phone: (717) 531-6240. Fax: (717) 531-4600. E-mail: cmm10{at}psu.edu.
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