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Related Experiment Video

Updated: May 22, 2026

Imaging Spatial Reorganization of a MAPK Signaling Pathway Using the Tobacco Transient Expression System

Imaging Spatial Reorganization of a MAPK Signaling Pathway Using the Tobacco Transient Expression System

Published on: March 20, 2016

Tetraspanin genes in plants.

Feng Wang¹, Klaas Vandepoele, Mieke Van Lijsebettens

¹Department of Plant Systems Biology, VIB, Technologiepark 927, B-9052 Gent, Belgium.

Plant Science : an International Journal of Experimental Plant Biology

|May 22, 2012

Summary

Tetraspanins are essential four-transmembrane proteins found in multicellular plants, playing key roles in development. Their evolution reveals ancient and rapidly evolving gene clades, often duplicated within plant genomes.

Area of Science:

Plant Biology
Molecular Evolution
Genomics

Background:

Tetraspanins are a superfamily of four-transmembrane proteins conserved across eukaryotes.
They form tetraspanin-enriched microdomains, crucial for cell adhesion, fusion, ligand binding, and intracellular trafficking.
These proteins are implicated in development, pathogenesis, and immune responses.

Purpose of the Study:

To investigate the evolutionary aspects of tetraspanins within the plant kingdom.
To analyze the phylogenetic relationships and genomic distribution of plant tetraspanin genes.

Main Methods:

Phylogenetic analysis of 155 tetraspanin genes from 11 plant species.
Genomic sequence information analysis.
Electronic Fluorescent Pictograph for gene expression analysis.

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Main Results:

Tetraspanins were identified exclusively in multicellular plants.
Phylogenetic analysis revealed ancient and rapidly evolving tetraspanin clades.
Tetraspanin genes are frequently duplicated in plant genomes, suggesting functional redundancy or divergence.
The Arabidopsis thaliana TETRASPANIN1/TORNADO2/EKEKO gene is involved in leaf and root patterning.
TETRASPANIN3 is present in the plasmodesmatal proteome, indicating a role in cell-cell communication.

Conclusions:

Tetraspanins have ancient origins and have undergone significant evolution within plants.
Gene duplication is a common feature of plant tetraspanins, leading to functional diversification.
Plant tetraspanins are involved in critical developmental processes, including patterning and cell-cell communication.