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. 1991 Dec;65(12):6454–6460. doi: 10.1128/jvi.65.12.6454-6460.1991

Mutational analysis of two herpes simplex virus type 1 late promoters.

K R Steffy 1, J P Weir 1
PMCID: PMC250683  PMID: 1658354

Abstract

To investigate the cis-acting sequence elements that are involved in the regulation of herpes simplex virus type 1 late gene expression, linker-scanning mutations were constructed in the promoters of the glycoprotein C and glycoprotein H genes. Each promoter mutation was inserted upstream of the Escherichia coli lacZ gene in a recombinant virus, and the relative activities of beta-galactosidase expressed from individual recombinant viruses were compared. This analysis identified three sequence elements in each promoter: a TATA element, an element that overlapped the start of transcription, and an element downstream from the start of transcription. Primer extension analysis confirmed these results and showed that mutations in either the TATA element or the initiation sequence could eliminate normal transcription initiation. Analysis of expression from hybrid promoters revealed that the TATA and the initiation elements were interchangeable, at least when correctly aligned, and that the initiation element plays a pivotal role in determining the actual site of transcription initiation.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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