Journal of Virology, October 1998, p. 8425-8429, Vol. 72, No. 10
0022-538X/98/$04.00+0
Copyright © 1998, American Society for Microbiology. All rights reserved.
2.7
Transcript of Human Cytomegalovirus: In Vitro Expression of a Protein
Posttranscriptionally Regulated by the 5' Region

Department of Clinical and Experimental Medicine, Division of Microbiology, University of Bologna, St. Orsola Hospital, Bologna, Italy
Received 11 May 1998/Accepted 10 July 1998
2.7 is the major early transcript produced during human
cytomegalovirus infection. This abundantly expressed RNA is polysome associated, but no protein product has ever been detected. In this
study, a stable peptide of 24 kDa was produced in vitro from the major
open reading frame (ORF), TRL4. Following transient transfection, the
intracellular localization was nucleolar and the expression was
posttranscriptionally inhibited by the 5' sequence of the transcript,
which harbors two short upstream ORFs.
Present address: Institute for Virology, Philipps University, 35037 Marburg, Germany.
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