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Gene Regul Syst Bio. 2007 Sep 26;1:167-75.

The role and regulation of receptor-like kinases in plant defense.

Author information

1
Department of Biological Sciences, Box 870344, The University of Alabama, Tuscaloosa, AL 35487-0344, USA.

Abstract

Receptor-like kinases (RLKs) in plants are a large superfamily of proteins that are structurally similar. RLKs are involved in a diverse array of plant responses including development, growth, hormone perception and the response to pathogens. Current studies have focused attention on plant receptor-like kinases as an important class of sentinels acting in plant defense responses. RLKs have been identified that act in both broad-spectrum, elicitor-initiated defense responses and as dominant resistance (R) genes in race-specific pathogen defense. Most defense-related RLKs are of the leucine-rich repeat (LRR) subclass although new data are highlighting other classes of RLKs as important players in defense responses. As our understanding of RLK structure, activation and signaling has expanded, the role of the ubiquitin/proteasome system in the regulation of these receptors has emerged as a central theme.

KEYWORDS:

E3 ligase; disease resistance; elicitors; plant defense; receptor-like kinase; ubiquitin

PMID:
19936086
PMCID:
PMC2759140

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