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- Title
Poxvirus Interactions with the Host Ubiquitin System.
- Authors
Lant, Sian; Maluquer de Motes, Carlos
- Abstract
The ubiquitin system has emerged as a master regulator of many, if not all, cellular functions. With its large repertoire of conjugating and ligating enzymes, the ubiquitin system holds a unique mechanism to provide selectivity and specificity in manipulating protein function. As intracellular parasites viruses have evolved to modulate the cellular environment to facilitate replication and subvert antiviral responses. Poxviruses are a large family of dsDNA viruses with large coding capacity that is used to synthetise proteins and enzymes needed for replication and morphogenesis as well as suppression of host responses. This review summarises our current knowledge on how poxvirus functions rely on the cellular ubiquitin system, and how poxviruses exploit this system to their own advantage, either facilitating uncoating and genome release and replication or rewiring ubiquitin ligases to downregulate critical antiviral factors. Whilst much remains to be known about the intricate interactions established between poxviruses and the host ubiquitin system, our knowledge has revealed crucial viral processes and important restriction factors that open novel avenues for antiviral treatment and provide fundamental insights on the biology of poxviruses and other virus families.
- Subjects
UBIQUITIN; INTRACELLULAR pathogens; POXVIRUSES; UBIQUITIN ligases; VACCINIA; ENZYMES
- Publication
Pathogens, 2021, Vol 10, Issue 8, p1034
- ISSN
2076-0817
- Publication type
Article
- DOI
10.3390/pathogens10081034