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Nat Rev Microbiol. 2011 Oct 17;9(12):860-75. doi: 10.1038/nrmicro2655.

Viral subversion of the host protein synthesis machinery.

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1
National Institute for Cellular Biotechnology, Dublin City University, Dublin 9, Ireland.

Abstract

Viruses are fully reliant on the translation machinery of their host cells to produce the polypeptides that are essential for viral replication. Consequently, viruses recruit host ribosomes to translate viral mRNAs, typically using virally encoded functions to seize control of cellular translation factors and the host signalling pathways that regulate their activity. This not only ensures that viral proteins will be produced, but also stifles innate host defences that are aimed at inhibiting the capacity of infected cells for protein synthesis. Remarkably, nearly every step of the translation process can be targeted by virally encoded functions. This Review discusses the diverse strategies that viruses use to subvert host protein synthesis functions and regulate mRNA translation in infected cells.

PMID:
22002165
DOI:
10.1038/nrmicro2655
[Indexed for MEDLINE]

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