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pubmed:abstractText |
gIII, the major envelope glycoprotein of pseudorabies virus (PRV), shares approximately 20% amino acid similarity with glycoprotein gC of herpes simplex virus type 1 (HSV-1) and HSV-2. We describe here our first experiments on the potential conservation of function between these two genes and gene products. We constructed PRV recombinants in which the gIII gene and regulatory sequences have been replaced with the entire HSV-1 gC gene and its regulatory sequences. The gC promoter functions in the PRV genome, and authentic HSV-1 gC protein is produced, albeit at a low level, in infected cells. The gC protein is present at the cell surface but cannot be detected in the PRV envelope.
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