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Updated: May 11, 2026

Assay for Pathogen-Associated Molecular Pattern (PAMP)-Triggered Immunity (PTI) in Plants

Assay for Pathogen-Associated Molecular Pattern (PAMP)-Triggered Immunity (PTI) in Plants

Published on: September 9, 2009

MAMP (microbe-associated molecular pattern) triggered immunity in plants.

Mari-Anne Newman¹, Thomas Sundelin, Jon T Nielsen

¹Department of Plant and Environmental Sciences, University of Copenhagen Frederiksberg, Denmark.

Frontiers in Plant Science

|May 31, 2013

Summary

This summary is machine-generated.

Plants possess preformed defenses and an innate immune system to combat microbial pathogens. This review details microbe-associated molecular patterns (MAMPs) and pattern recognition receptors (PRRs) that trigger MAMP-triggered immunity (MTI).

Keywords:

Ax21 Chitin EF-Tu Flg22 LPS MAMPs PGN innate immunity

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Area of Science:

Plant pathology
Molecular biology
Immunology

Background:

Plants are sessile and face constant microbial threats.
They utilize physical barriers (cell wall, cuticle) and an innate immune system for defense.
The immune system detects conserved microbial molecules to initiate defense responses.

Purpose of the Study:

To review current knowledge on microbe-associated molecular patterns (MAMPs) from various pathogens.
To describe the structure of key MAMPs and their cognate plant pattern recognition receptors (PRRs).
To explain the induction of MAMP-triggered immunity (MTI) in plants.

Main Methods:

Literature review of scientific publications.
Analysis of identified MAMPs and their corresponding PRRs.
Focus on MAMPs from bacteria, fungi, and oomycetes.

Main Results:

Identified key MAMPs including flagellin, EF-Tu, PGN, LPS, Ax21, chitin, and β-glucans.
Detailed the plant PRRs that recognize these MAMPs.
Highlighted the role of MAMP-PRR interaction in initiating MTI.

Conclusions:

MAMPs are crucial for pathogen survival and are conserved molecular patterns.
Plant PRRs recognize specific MAMPs, activating MTI and defending against pathogens.
Understanding MAMP-PRR interactions is vital for plant immunity research.