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Updated: Apr 29, 2026

Identification of Post-translational Modifications of Plant Protein Complexes

Identification of Post-translational Modifications of Plant Protein Complexes

Published on: February 22, 2014

Immune receptor complexes at the plant cell surface.

Hannah Böhm¹, Isabell Albert¹, Li Fan¹

¹Center of Plant Molecular Biology (ZMBP), Eberhard-Karls-University Tübingen, Auf der Morgenstelle 32, D-72076 Tübingen, Germany.

Current Opinion in Plant Biology

|May 20, 2014

Summary

Plants use immune receptors to detect microbes and trigger defenses. Receptor complex formation and protein interactions at the plasma membrane are crucial for plant immunity signaling.

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Area of Science:

Plant biology
Immunology
Molecular biology

Background:

Metazoans and plants possess immunity to microbial infections.
Plants utilize plasma membrane and cytoplasmic receptors to sense microbial or host patterns and effectors, initiating immune responses.
Plasma membrane immune receptors recognize peptide and carbohydrate patterns, playing a key role in plant defense.

Purpose of the Study:

To highlight the role of immune receptor complex formation in plant immunity.
To explore the mechanisms of signal transduction initiated by ligand binding to immune receptors.
To investigate the dynamic protein-protein interactions at the plasma membrane and their regulatory principles.

Main Methods:

Analysis of immune receptor function in plant defense pathways.
Investigating ligand binding-induced receptor homo-dimerization or co-receptor recruitment.
Studying negative regulatory principles governing immune receptor activity.

Main Results:

Ligand binding to immune receptors creates surfaces for homo-dimerization or co-receptor recruitment.
These interactions are essential for initiating signal transduction pathways in plant immunity.
Emerging evidence points to dynamic protein-protein interactions and negative regulation at the plasma membrane.

Conclusions:

Immune receptor complex formation is central to plant immunity.
Dynamic protein interactions at the plasma membrane are critical for immune receptor function and regulation.
Further research is needed to fully understand the complexities of plant immune signaling.