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Patchwork structure-function analysis of the Sendai virus matrix protein

Vidalain, Pierre-Olivier
Published in Virology. 2014, vol. 464-465, p. 330-340
Abstract Paramyxoviruses contain a bi-lipidic envelope decorated by two transmembrane glycoproteins and carpeted on the inner surface with a layer of matrix proteins (M), thought to bridge the glycoproteins with the viral nucleocapsids. To characterize M structure-function features, a set of M domains were mutated or deleted. The genes encoding these modified M were incorporated into recombinant Sendai viruses and expressed as supplemental proteins. Using a method of integrated suppression complementation system (ISCS), the functions of these M mutants were analyzed in the context of the infection. Cellular membrane association, localization at the cell periphery, nucleocapsid binding, cellular protein interactions and promotion of viral particle formation were characterized in relation with the mutations. At the end, lack of nucleocapsid binding go together with lack of cell surface localization and both features definitely correlate with loss of M global function estimated by viral particle production.
PMID: 25113904
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MOTTET-OSMAN, Geneviève et al. Patchwork structure-function analysis of the Sendai virus matrix protein. In: Virology, 2014, vol. 464-465, p. 330-340. https://archive-ouverte.unige.ch/unige:39624

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Deposited on : 2014-08-21

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