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Cell Signaling in Plants

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Plant cells communicate to coordinate their cycle of growth, flowering and fruiting, and activities in roots, shoots, and leaves in response to the changing environmental conditions. Plant signaling is distinct from animal signaling. Plants primarily utilize enzyme-linked receptors, whereas the largest class of cell-surface receptors in animals are G-protein coupled receptors (GPCRs). Unlike animals, receptor tyrosine kinases are rare in plants. Instead, plants have a diverse class of...

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Related Experiment Video

Updated: Feb 25, 2026

A Hydroponic Co-cultivation System for Simultaneous and Systematic Analysis of Plant/Microbe Molecular Interactions and Signaling

A Hydroponic Co-cultivation System for Simultaneous and Systematic Analysis of Plant/Microbe Molecular Interactions and Signaling

Published on: July 22, 2017

Interkingdom signaling in plant-microbe interactions.

Jinhong Kan^1,2,3, Rongxiang Fang^4,5, Yantao Jia^6,7

¹State Key Laboratory of Plant Genomics, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China.

Science China. Life Sciences

|July 30, 2017

Summary

Interkingdom signaling between plants and bacteria uses small molecules to influence gene expression. Understanding this communication, particularly bacterial quorum sensing, can improve plant disease resistance and agricultural applications.

Keywords:

bacteria host plants interkingdom signaling signals

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Identification of Post-translational Modifications of Plant Protein Complexes

Identification of Post-translational Modifications of Plant Protein Complexes

Published on: February 22, 2014

Area of Science:

Microbiology
Plant Science
Molecular Biology

Background:

Prokaryotes and eukaryotes communicate via signaling molecules, affecting gene expression in both.
Interkingdom signaling establishes communication channels between bacteria and host plants, influencing outcomes.
Identifying these signals and mechanisms is crucial for understanding plant-bacterial interactions.

Purpose of the Study:

To review recent progress in plant-bacterial cross-kingdom interactions.
To explore the role of LuxR-family transcription factors in bacterial quorum sensing within these interactions.

Main Methods:

Literature review summarizing current research on interkingdom signaling.
Focus on bacterial quorum sensing systems and LuxR-family transcription factors.

Main Results:

Diverse signaling molecules are produced by bacteria and plants, mediating communication.
LuxR-family transcription factors play a role in bacterial quorum sensing involved in interkingdom signaling.

Conclusions:

Deciphering interkingdom signals offers strategies for enhancing plant disease resistance.
Understanding these signals has potential agricultural applications, especially from beneficial bacteria.