Special Issue: Research on Herpes Virus Fusion and Entry.

Herpesviridae comprise a large family of enveloped DNA viruses with a unifying ability to establish a latent infection in their host [...

Allosteric mechanism of membrane fusion activation in a herpesvirus.

infect nearly all humans for life, causing diseases that range from painful to life-threatening. These viruses penetrate cells by employing a complex apparatus composed of separate receptor-binding, signal-transmitting, and membrane-fusing components. But how these components coordinate their functions is unknown.

Receptor Binding-Induced Conformational Changes in Herpes Simplex Virus Glycoprotein D Permit Interaction with the gH/gL Complex to Activate Fusion.

Herpes simplex virus (HSV) requires four essential virion glycoproteins-gD, gH, gL, and gB-for virus entry and cell fusion. To initiate fusion, the receptor binding protein gD interacts with one of two major cell receptors, HVEM or nectin-1. Once gD binds to a receptor, fusion is carried out by the gH/gL heterodimer and gB.

Using Split Luciferase Assay and anti-HSV Glycoprotein Monoclonal Antibodies to Predict a Functional Binding Site Between gD and gH/gL.

Herpes simplex virus (HSV) entry and cell-cell fusion require glycoproteins gD, gH/gL, and gB. HSV entry begins with gD binding its receptor (nectin-1), which then activates gH/gL to enable the conversion of pre-fusion gB to its active form to promote membrane fusion. Virus-neutralizing monoclonal antibodies (Mabs) interfere with one or more of these steps and localization of their epitopes identifies functional sites on each protein.