Pattern recognition receptors and signaling in plant-microbe interactions
Yusuke Saijo1, Eliza Po-Iian Loo1, Shigetaka Yasuda1
1Graduate School of Biological Sciences, Nara Institute of Science and Technology, Ikoma, 630-0192, Japan.
The Plant Journal : for Cell and Molecular Biology
|December 22, 2017
Summary
Plants use pattern-triggered immunity (PTI) to detect microbes via pattern recognition receptors (PRRs). PRRs show diverse evolution, providing robust defense against pathogens and interaction with microbes.
Area of Science:
- Plant immunity
- Microbiology
- Molecular biology
Background:
- Plants rely on cellular innate immunity to defend against environmental microbes.
- Pattern-triggered immunity (PTI) is initiated by extracellular recognition of microbial patterns.
- Pattern recognition receptors (PRRs) are key to PTI, mediating cellular defense responses.
Purpose of the Study:
- To review the functional significance and molecular basis of PRR-mediated pathogen recognition.
- To explore the role of PRRs in disease resistance and plant-microbe interactions.
- To highlight the evolutionary dynamics and diversification of PRRs.
Main Methods:
- Review of existing literature on plant immunity and PRRs.
- Analysis of studies on pattern recognition specificities and signaling pathways.
- Examination of evolutionary trends in PRR diversity.
Main Results:
- PRRs are membrane-associated receptor-like kinases or proteins involved in PTI.
- PRR specificities exhibit dynamic and convergent evolution across plant groups.
- Diversification in PRR functions and regulation enhances PTI robustness and plasticity.
Conclusions:
- PRRs are crucial for plant defense against pathogens.
- Evolutionary diversification of PRRs contributes to effective disease resistance.
- PRRs also play a role in maintaining beneficial plant-microbe associations.
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