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Curr Top Microbiol Immunol. 2010;342:113-28. doi: 10.1007/82_2009_4.

Overview of varicella-zoster virus glycoproteins gC, gH and gL.

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1
Department of Pediatrics/2501 JCP, University of Iowa Hospital, Iowa City, IA 52242, USA. charles-grose@uiowa.edu

Abstract

The VZV genome is smaller than the HSV genome and only encodes nine glycoproteins. This chapter provides an overview of three VZV glycoproteins: gH (ORF37), gL (ORF60), and gC (ORF14). All three glycoproteins are highly conserved among the alpha herpesviruses. However, VZV gC exhibits unexpected differences from its HSV counterpart gC. In particular, both VZV gC transcription and protein expression are markedly delayed in cultured cells. These delays occur regardless of the virus strain or the cell type, and may account in part for the aberrant assembly of VZV particles. In contrast to VZV gC, the general properties of gH and gL more closely resemble their HSV homologs. VZV gL behaves as a chaperone protein to facilitate the maturation of the gH protein. The mature gH protein in turn is a potent fusogen. Its fusogenic activity can be abrogated when infected cultures are treated with monoclonal anti-gH antibodies.

PMID:
20186613
DOI:
10.1007/82_2009_4
[Indexed for MEDLINE]
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