ArticlePLoS pathogens2024
Human cytomegalovirus deploys molecular mimicry to recruit VPS4A to sites of virus assembly.
Article in PLoS pathogens, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Large eukaryotic DNA viruses encode ESCRT machinery for membrane remodelling.Nature microbiology · 2026Article
- Anatid herpesvirus 1 UL51 protein is palmitoylated by DHHC9 and DHHC18 for viral replication and virulence.PLoS pathogens · 2026Article
- ESCRT-III is recruited by human herpesvirus 6A nuclear egress complex to promote nuclear egress of the nucleocapsid.Journal of virology · 2025Article
- Protein Language Models Expose Viral Immune Mimicry.Viruses · 2025Article
- Functions of the UL51 protein during the herpesvirus life cycle.Frontiers in microbiology · 2024Review
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Authors and funding
10 authors.
Funding
Abstract
The AAA-type ATPase VPS4 is recruited by proteins of the endosomal sorting complex required for transport III (ESCRT-III) to catalyse membrane constriction and membrane fission. VPS4A accumulates at the cytoplasmic viral assembly complex (cVAC) of cells infected with human cytomegalovirus (HCMV), the site where nascent virus particles obtain their membrane envelope. Here we show that VPS4A is recruited to the cVAC via interaction with pUL71. Sequence analysis, deep-learning structure prediction, molecular dynamics and mutagenic analysis identify a short peptide motif in the C-terminal region of pUL71 that is necessary and sufficient for the interaction with VPS4A. This motif is predicted to bind the same groove of the N-terminal VPS4A Microtubule-Interacting and Trafficking (MIT) domain as the Type 2 MIT-Interacting Motif (MIM2) of cellular ESCRT-III components, and this viral MIM2-like motif (vMIM2) is conserved across β-herpesvirus pUL71 homologues. However, recruitment of VPS4A by pUL71 is dispensable for HCMV morphogenesis or replication and the function of the conserved vMIM2 during infection remains enigmatic. VPS4-recruitment via a vMIM2 represents a previously unknown mechanism of molecular mimicry in viruses, extending previous observations that herpesviruses encode proteins with structural and functional homology to cellular ESCRT-III components.
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