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The HIV lipidome: A raft with an unusual composition

Brügger, Britta, Glass, Bärbel, Haberkant, Per, Leibrecht, Iris, Wieland, Felix T., Kräusslich, Hans-Georg·2006·Proceedings of the National Academy of Sciences

Abstract

The lipids of enveloped viruses play critical roles in viral morphogenesis and infectivity. They are derived from the host membranes from which virus budding occurs, but the precise lipid composition has not been determined for any virus. Employing mass spectrometry, this study provides a quantitative analysis of the lipid constituents of HIV and a comprehensive comparison with its host membranes. Both a substantial enrichment of the unusual sphingolipid dihydrosphingomyelin and a loss of viral infectivity upon inhibition of sphingolipid biosynthesis in host cells are reported, establishing a critical role for this lipid class in the HIV replication cycle. Intriguingly, the overall lipid composition of native HIV membranes resembles detergent-resistant membrane microdomains and is strikingly different from that of host cell membranes. With this composition, the HIV lipidome provides strong evidence for the existence of lipid rafts in living cells.

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Metadata

Authors
Brügger, B., Glass, B., Haberkant, P., Leibrecht, I., Wieland, F. T., & Kräusslich, H.-G.
Venue
Proceedings of the National Academy of Sciences
Published
2006-02-15
Volume
103
Issue
8
Pages
2641-2646
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2134866108
Cited by
708
References
2
FWCI
16.94
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: The HIV lipidome: A raft with an unusual composition. https://app.cochat.ai/papers/10.1073/pnas.0511136103
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Brügger, B., Glass, B., Haberkant, P., Leibrecht, I., Wieland, F. T., & Kräusslich, H.-G. (2006). The HIV lipidome: A raft with an unusual composition. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.0511136103

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

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