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Viral membrane fusion

Open access
Harrison, Stephen C.·2015·Virology

Abstract

Membrane fusion is an essential step when enveloped viruses enter cells. Lipid bilayer fusion requires catalysis to overcome a high kinetic barrier; viral fusion proteins are the agents that fulfill this catalytic function. Despite a variety of molecular architectures, these proteins facilitate fusion by essentially the same generic mechanism. Stimulated by a signal associated with arrival at the cell to be infected (e.g., receptor or co-receptor binding, proton binding in an endosome), they undergo a series of conformational changes. A hydrophobic segment (a "fusion loop" or "fusion peptide") engages the target-cell membrane and collapse of the bridging intermediate thus formed draws the two membranes (virus and cell) together. We know of three structural classes for viral fusion proteins. Structures for both pre- and postfusion conformations of illustrate the beginning and end points of a process that can be probed by single-virion measurements of fusion kinetics.

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Metadata

Authors
Harrison, S. C.
Venue
Virology
Publisher
Elsevier BV
Published
2015-05
Volume
479-480
Pages
498-507
ISSN
0042-6822 (ISSN-L)
OpenAlex
W2048172399
Cited by
697
References
4
FWCI
21.10
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Viral membrane fusion. https://app.cochat.ai/papers/10.1016/j.virol.2015.03.043
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Harrison, S. C. (2015). Viral membrane fusion. Virology. https://doi.org/10.1016/j.virol.2015.03.043

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.