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Curr Opin Microbiol. 2002 Feb;5(1):38-43.

Function of the Yersinia effector YopJ.

Author information

1
Department of Molecular Biology, 5323 Harry Hines Boulevard, University of Texas Southwestern Medical Center, Dallas, TX 75390-9148, USA. kimorth@hamon.swmed.edu

Abstract

The Yersinia virulence factor YopJ inhibits the host immune response and induces apoptosis by blocking multiple signaling pathways, including the MAPK and NFkappaB pathways in the infected cell. YopJ is a cysteine protease that cleaves a reversible post-translational modification in the form of ubiquitin or a ubiquitin-like protein. Homologues of YopJ are expressed in animal and plant pathogens, as well as a plant symbiont, suggesting a universal mechanism of regulating or modulating a variety of signaling pathways. The ability of YopJ to block the innate immune response, its activity as a ubiquitin-like protein protease and its activity with respect to mammalian signalling pathways are discussed in this review.

PMID:
11834367
[Indexed for MEDLINE]

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