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Plant Signal Behav. 2013 Jan;8(1):e22598. doi: 10.4161/psb.22598. Epub 2012 Dec 6.

Role of LysM receptors in chitin-triggered plant innate immunity.

Author information

1
Divisions of Plant Sciences and Biochemistry; National Center for Soybean Biotechnology; Christopher S. Bond Life Sciences Center; University of Missouri; Columbia, MO USA.

Abstract

Recent research findings clearly indicate that lysin motif (LysM)-containing cell surface receptors are involved in the recognition of specific oligosaccharide elicitors (chitin and peptidoglycan), which trigger an innate immunity response in plants. These receptors are either LysM-containing receptor-like kinases (LYKs) or LysM-containing receptor proteins (LYPs). In Arabidopsis, five LYKs (AtCERK1/AtLYK1 and AtLYK2-5) and three LYPs (AtLYP1-3) are likely expressed on the plasma membrane. In this review, we summarize recent research results on the role of these receptors in plant innate immunity, including the recent structural characterization of AtCERK1 and composition of the various receptor complexes in Arabidopsis.

KEYWORDS:

Arabidopsis; chitin (N-acetylchitooligosaccharide); lysin motif; lysin motif-containing receptors; microbe-associated molecular patterns; plant innate immunity

PMID:
23221760
PMCID:
PMC3745565
DOI:
10.4161/psb.22598
[Indexed for MEDLINE]
Free PMC Article
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