Open AccessThe ubiquitin/26S proteasome system in plant–pathogen interactions: a never‐ending hide‐and‐seek game
Author(s) -
DIELEN ANNESOPHIE,
BADAOUI SALOUA,
CANDRESSE THIERRY,
GERMANRETANA SYLVIE
Publication year - 2010
Publication title -
molecular plant pathology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.945
H-Index - 103
eISSN - 1364-3703
pISSN - 1464-6722
DOI - 10.1111/j.1364-3703.2009.00596.x
Subject(s) - biology , proteasome , ubiquitin , pathogen , proteolysis , microbiology and biotechnology , rnase p , computational biology , genetics , gene , biochemistry , rna , enzyme
SUMMARY The ubiquitin/26S proteasome system (UPS) plays a central role in plant protein degradation. Over the past few years, the importance of this pathway in plant–pathogen interactions has been increasingly highlighted. UPS is involved in almost every step of the defence mechanisms in plants, regardless of the type of pathogen. In addition to its proteolytic activities, UPS, through its 20S RNase activity, may be part of a still unknown antiviral defence pathway. Strikingly, UPS is not only a weapon used by plants to defend themselves, but also a target for some pathogens that have evolved mechanisms to inhibit and/or use this system for their own purposes. This article attempts to summarize the current knowledge on UPS involvement in plant–microbe interactions, a complex scheme that illustrates the never‐ending arms race between hosts and microbes.