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J Virol Methods. 2002 Aug;105(1):13-23.

Incorporation of green fluorescent protein into the essential envelope glycoprotein B of herpes simplex virus type 1.

Author information

1
Laboratoire de Virologie, Faculté de Médecine Cochin Port-Royal Saint-Vincent-de-Paul, Université Paris V, 75014, Paris, France.

Abstract

Herpes simplex virus type 1 (HSV-1) glycoprotein B (gB) is a major virion component, essential for various steps of virus replication in cells, such as entry and maturation, and cell fusion. In addition, gB is a strong inducer of the immune response in humans and has been involved in neuropathogenesis. To analyze gB during infection, a recombinant HSV-1 was generated containing gB fused to the green fluorescent protein (GFP). The GFP-gB fusion protein was incorporated into fully infectious viral particles. In cells infected with the recombinant KGFP-gB, the spontaneous fluorescence emitted by the fusion protein was observed as early as 5 h post infection, and its transport through cell compartments was followed during an entire viral replication cycle. The results show that GFP can be inserted into an essential viral envelope component of HSV-1 such as gB while preserving the infectivity of the resulting recombinant. This virus allows the investigation of several events of the viral life cycle involving gB, and provides the basis for the development of new diagnostic assays.

PMID:
12176138
DOI:
10.1016/s0166-0934(02)00027-7
[Indexed for MEDLINE]

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