Egress of HSV-1 capsid requires the interaction of VP26 and a cellular tetraspanin membrane protein

Autor: Zhang Ying, Dong Chenghong, Jiang Li, Wang Lichun, Che Yanchun, Liu Longding, Wang Lei, Li Qihan
Jazyk: angličtina
Rok vydání: 2010
Předmět:
Zdroj: Virology Journal, Vol 7, Iss 1, p 156 (2010)
Druh dokumentu: article
ISSN: 1743-422X
DOI: 10.1186/1743-422X-7-156
Popis: Abstract HSV-1 viral capsid maturation and egress from the nucleus constitutes a self-controlled process of interactions between host cytoplasmic membrane proteins and viral capsid proteins. In this study, a member of the tetraspanin superfamily, CTMP-7, was shown to physically interact with HSV-1 protein VP26, and the VP26-CTMP-7 complex was detected both in vivo and in vitro. The interaction of VP26 with CTMP-7 plays an essential role in normal HSV-1 replication. Additionally, analysis of a recombinant virus HSV-1-UG showed that mutating VP26 resulted in a decreased viral replication rate and in aggregation of viral mutant capsids in the nucleus. Together, our data support the notion that biological events mediated by a VP26 - CTMP-7 interaction aid in viral capsid enveloping and egress from the cell during the HSV-1 infectious process.
Databáze: Directory of Open Access Journals