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J Gen Virol. 1993 Mar;74 ( Pt 3):387-95.

A mutant of herpes simplex virus type 1 in which the UL13 protein kinase gene is disrupted.

Author information

1
Institute of Virology, University of Glasgow, U.K.

Abstract

Gene UL13 of herpes simplex virus type 1 (HSV-1) has previously been proposed to encode a protein kinase. An HSV-1 mutant with UL13 inactivated by insertion of the Escherichia coli lacZ gene was constructed. This UL13-lacZ mutant was found to grow to near wild-type (wt) titres in tissue culture. Comparison of silver-stained SDS-PAGE profiles of wt and UL13-lacZ virions demonstrated that the UL13 protein is a readily detectable component of wt virions, located in the tegument and probably equivalent to the previously described species VP18.8. Studies of in vitro phosphorylation with nuclear extracts of virus-infected cells and with detergent-treated virions showed that the UL13 protein is involved in phosphorylation of the tegument protein VP22. Extracts of cells engineered to express UL13, and infected with UL13-lacZ virus, were also capable of VP22 phosphorylation.

PMID:
8383174
DOI:
10.1099/0022-1317-74-3-387
[Indexed for MEDLINE]

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