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Erschienen in: Archives of Virology 10/2008

01.10.2008 | Brief Report

Cold co-extraction of hemagglutinin and matrix M1 protein from influenza virus A by a combination of non-ionic detergents allows for visualization of the raft-like nature of the virus envelope

verfasst von: V. Radyukhin, N. Fedorova, A. Ksenofontov, M. Serebryakova, L. Baratova

Erschienen in: Archives of Virology | Ausgabe 10/2008

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Abstract

Membrane solubilization with a mixture of cold non-ionic detergents has been applied to isolate detergent-resistant membranes from intact virus A lipid bilayer. Association of the viral envelope glycoproteins and M1 into a raft lipid-protein complex was verified via detergent insolubility experiments, and the M1:HA stoichiometry of the proposed supramolecular complex was estimated via amino acid analysis. Electron microscopy and dynamic light scattering data revealed that these lipid-protein rafts form unilamellar vesicles with HA spikes on their surfaces similar to influenza virus virions. Together, our data suggest that the cold co-extraction technique visualizes the raft-like nature of the viral envelope and demonstrates the interaction of matrix M1 protein with the envelope.
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Metadaten
Titel
Cold co-extraction of hemagglutinin and matrix M1 protein from influenza virus A by a combination of non-ionic detergents allows for visualization of the raft-like nature of the virus envelope
verfasst von
V. Radyukhin
N. Fedorova
A. Ksenofontov
M. Serebryakova
L. Baratova
Publikationsdatum
01.10.2008
Verlag
Springer Vienna
Erschienen in
Archives of Virology / Ausgabe 10/2008
Print ISSN: 0304-8608
Elektronische ISSN: 1432-8798
DOI
https://doi.org/10.1007/s00705-008-0214-7

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