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Virology. 2010 Aug 15;404(1):1-4. doi: 10.1016/j.virol.2010.04.020. Epub 2010 May 20.

The Sulfolobus rod-shaped virus 2 encodes a prominent structural component of the unique virion release system in Archaea.

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1
Institut Pasteur, Molecular Biology of the Gene in Extremophiles Unit, 75724 Paris Cedex 15, France.

Abstract

Recently a unique mechanism of virion release was discovered in Archaea, different from lysis and egress systems of bacterial and eukaryotic viruses. It involves formation of pyramidal structures on the host cell surface that rupture the S-layer and by opening outwards, create apertures through which mature virions escape the cell. Here we present results of a protein analysis of Sulfolobus islandicus cells infected with the rudivirus SIRV2, which enable us to postulate SIRV2-encoded protein P98 as the major constituent of these exceptional cellular ultrastructures.

PMID:
20488501
DOI:
10.1016/j.virol.2010.04.020
[Indexed for MEDLINE]
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