Antibody evasion by the N terminus of murid herpesvirus-4 glycoprotein B

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Antibody evasion by the N terminus of murid herpesvirus-4 glycoprotein B

Herpesviruses characteristically transmit infection from immune hosts. Although their success in escaping neutralization by pre-formed antibody is indisputable, the underlying molecular mechanisms remain largely unknown. Glycoprotein B (gB) is the most conserved component of the herpesvirus entry machinery and its N terminus (gB-NT) is a common neutralization target. We used murid herpesvirus-4...

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Glycoprotein B switches conformation during murid herpesvirus 4 entry

Herpesviruses are ancient pathogens that infect all vertebrates. The most conserved component of their entry machinery is glycoprotein B (gB), yet how gB functions is unclear. A striking feature of the murid herpesvirus 4 (MuHV-4) gB is its resistance to neutralization. Here, we show by direct visualization of infected cells that the MuHV-4 gB changes its conformation between extracellular viri...

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Glycoprotein L sets the neutralization profile of murid herpesvirus 4

Antibodies readily neutralize acute, epidemic viruses, but are less effective against more indolent pathogens such as herpesviruses. Murid herpesvirus 4 (MuHV-4) provides an accessible model for tracking the fate of antibody-exposed gammaherpesvirus virions. Glycoprotein L (gL) plays a central role in MuHV-4 entry: it allows gH to bind heparan sulfate and regulates fusion-associated conformatio...

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Glycoprotein B Cleavage Is Important for Murid Herpesvirus 4 To Infect Myeloid Cells

Glycoprotein B (gB) is a conserved herpesvirus virion component implicated in membrane fusion. As with many-but not all-herpesviruses, the gB of murid herpesvirus 4 (MuHV-4) is cleaved into disulfide-linked subunits, apparently by furin. Preventing gB cleavage for some herpesviruses causes minor infection deficits in vitro, but what the cleavage contributes to host colonization has been unclear...

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ژورنال

عنوان ژورنال: The EMBO Journal

سال: 2007

ISSN: 0261-4189,1460-2075

DOI: 10.1038/sj.emboj.7601925