ArticleScience advances2025
Nipah virus matrix protein uses cortical actin to stabilize the virus assembly sites and promote budding.
Article in Science advances, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed.
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Authors and funding
9 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Several enveloped viruses, including paramyxoviruses, assemble and bud from the host plasma membrane (PM). Nipah virus (NiV), a deadly zoonotic paramyxovirus, uses its matrix protein (M) to drive virus assembly and budding through dimerization and PM interaction. We show that NiV-M-mediated virus-like particle (VLP) production depends on its interaction with host F-actin via its carboxyl-terminal domain. We demonstrate that F-actin retains NiV-M assembly sites at the PM by analyzing NiV-M assembly kinetics. Disrupting actin dynamics or NiV-M-actin interaction alters M nanoscale organization and reduces membrane retention, without affecting initial recruitment. We also show that the Arp2/3 complex, an actin-branching factor, promotes VLP production. Inhibiting Arp2/3 reduces NiV-M retention at the PM and impairs protrusion formation while leaving the assembly rate unchanged. These findings suggest that the host F-actin retains NiV assembly sites on the PM and promotes virus budding via Arp2/3-driven actin branching.
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