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Lipochitooligosaccharides modulate plant host immunity to enable endosymbioses
Erik Limpens1, Arjan van Zeijl, Rene Geurts
1Laboratory of Molecular Biology, Department of Plant Science, Wageningen University, 6708PB Wageningen, The Netherlands;
Annual Review of Phytopathology
|June 7, 2015
Summary
Plants use lipochitooligosaccharide (LCO) signals to communicate with beneficial microbes like rhizobium and arbuscular mycorrhizal fungi. These signals are perceived by specific receptors, influencing both symbiosis and plant immunity.
Area of Science:
- Plant-microbe interactions
- Molecular biology
- Plant immunity
Background:
- Rhizobium bacteria and arbuscular mycorrhizal fungi form symbiotic relationships with plants.
- Lipochitooligosaccharides (LCOs) are key signaling molecules in these symbioses.
- Plants possess LysM-domain-containing receptor-like kinases for perceiving microbial signals.
Purpose of the Study:
- To explore the perception of chitin and LCO signals in plant innate immunity and endosymbiosis.
- To investigate how LCOs modulate plant immune responses.
- To understand the mechanisms enabling microbial endosymbiosis.
Main Methods:
- Review of current literature on LCO and chitin perception.
- Analysis of LysM receptor-like kinase functions in symbiosis and immunity.
- Comparative analysis of signal perception pathways.
Main Results:
- Symbiotic LCO receptors are structurally related to chitin immune receptors.
- Some receptors mediate both symbiotic and immune responses.
- Plants must differentiate structurally similar signals for distinct outputs.
Conclusions:
- Understanding LCO perception is crucial for deciphering plant symbiotic signaling.
- The interplay between symbiosis and immunity signaling pathways is complex.
- Further research is needed to elucidate the mechanisms of endosymbiont establishment.
Keywords:
LysM-domain-containing receptor kinasesarbuscular mycorrhizaeinnate immunitylipochitooligosacchariderhizobiumMore Related Videos
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