From Chaos to Harmony: Responses and Signaling upon Microbial Pattern Recognition

Pathogen- or microbe-associated molecular patterns (PAMPs MAMPs) are detected as nonself by host pattern recognition receptors (PRRs) and activate pattern-triggered immunity (PTI). Microbial invasions often trigger the production of host-derived endogenous signals referred to as danger- or damage-as...

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Bibliographic Details
Published in:Annual review of phytopathology 2017-08, Vol.55 (1), p.109-137
Main Authors: Yu, Xiao, Feng, Baomin, He, Ping, Shan, Libo
Format: Article
Language:English
Subjects:
damage-associated molecular patterns (DAMPs)
microbial elicitors
pathogen- or microbe-associated molecular patterns (PAMPs or MAMPs)
pattern recognition receptors (PRRs)
pattern-triggered immunity (PTI)
plant defense
Plant Diseases
Plant Immunity
Plants
Receptors, Pattern Recognition - physiology
Signal Transduction
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Summary:Pathogen- or microbe-associated molecular patterns (PAMPs MAMPs) are detected as nonself by host pattern recognition receptors (PRRs) and activate pattern-triggered immunity (PTI). Microbial invasions often trigger the production of host-derived endogenous signals referred to as danger- or damage-associated molecular patterns (DAMPs), which are also perceived by PRRs to modulate PTI responses. Collectively, PTI contributes to host defense against infections by a broad range of pathogens. Remarkable progress has been made toward demonstrating the cellular and physiological responses upon pattern recognition, elucidating the molecular, biochemical, and genetic mechanisms of PRR activation, and dissecting the complex signaling networks that orchestrate PTI responses. In this review, we present an update on the current understanding of how plants recognize and respond to nonself patterns, a process from which the seemingly chaotic responses form into a harmonic defense.
ISSN:0066-4286
1545-2107
DOI:10.1146/annurev-phyto-080516-035649