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Related Experiment Video

Updated: Aug 4, 2025

Robotics and Dynamic Image Analysis for Studies of Gene Expression in Plant Tissues

Robotics and Dynamic Image Analysis for Studies of Gene Expression in Plant Tissues

Published on: May 5, 2010

An integrase toolbox to record gene-expression during plant development.

Sarah Guiziou¹, Cassandra J Maranas¹, Jonah C Chu¹

¹Department of Biology, University of Washington, Seattle, WA, 98195, USA.

Nature Communications

|April 3, 2023

Summary

Scientists developed a new plant synthetic circuit using orthogonal serine integrases to permanently record cellular history during organogenesis. This technology permanently marks descendant cells, aiding in understanding plant development.

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Area of Science:

Plant biology
Synthetic biology
Developmental biology

Background:

Organogenesis relies on complex, coordinated multicellular behaviors.
Synthetic circuits are crucial for understanding in vivo signaling networks in animal development.

Purpose of the Study:

To transfer synthetic circuit technology to plants for recording developmental processes.
To utilize orthogonal serine integrases for site-specific DNA recombination and reporter switching in plants.

Main Methods:

Employing orthogonal serine integrases for irreversible DNA recombination.
Visualizing recombination via switching between fluorescent reporters.
Integrating promoters active during lateral root initiation to amplify signals.
Developing methods to tune integrase switching thresholds (degradation tags, nuclear localization, split-intein).

Main Results:

Successfully transferred and implemented synthetic circuit technology in plants.
Demonstrated permanent marking of descendant cells through integrase-mediated recombination.
Showcased improved robustness and stability of integrase switching across generations.
Established a toolbox for history-dependent circuit construction in plant organogenesis.

Conclusions:

The developed integrase toolbox enables the construction of history-dependent circuits in plants.
This technology is valuable for decoding the temporal order of gene expression during organogenesis.
The methods enhance the reliability and stability of synthetic circuits for plant developmental studies.