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Journal of Virology, March 2000, p. 2900-2902, Vol. 74, No. 6
Bavarian Nordic, D-82152
Martinsried,1 Institute for Microbiology
and Hygiene, Technical University, D-80539
Munich,2 and Institute of Molecular
Virology, GSF-Neuherberg, D-85758
Oberschleissheim,3 Germany, and
Institute of Animal Breeding and
Genetics4 and Institute of
Virology,5 University of Veterinary
Sciences, A-1210 Vienna, Austria
Received 9 November 1999/Accepted 15 December 1999
In addition to the usual retroviral promoter, the mouse mammary
tumor virus (MMTV) long terminal repeat carries a second promoter located in the U3 region. Here we show that both of these promoters are
independently able to give rise to superantigen activity in transgenic
mice. The ability of multiple MMTV promoters to drive superantigen
expression underscores its importance in the virus life cycle.
0022-538X/00/$04.00+0
Copyright © 2000, American Society for Microbiology. All rights reserved.
Superantigen Expression Is Driven by Both Mouse
Mammary Tumor Virus Long Terminal Repeat-Associated Promoters in
Transgenic Mice
*
Corresponding author. Mailing address: Institute of
Virology, University of Veterinary Sciences, Josef-Baumann-Gasse 1, A-1210 Vienna, Austria. Phone: 43-1-25077-2301. Fax: 43-1-25077-2390. E-mail: walter.guenzburg{at}vu-wien.ac.at.
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