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Updated: Jan 2, 2026

Translating Ribosome Affinity Purification TRAP to Investigate Arabidopsis thaliana Root Development at a Cell Type-Specific Scale
Published on: May 14, 2020
Method to Study Gene Expression Patterns During De Novo Root Regeneration from Arabidopsis Leaf Explants
Jie Yu1, Ning Zhai1,2, Lin Xu1,2
1National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China.
We developed a new method to observe gene expression during de novo root regeneration (DNRR) in Arabidopsis leaf explants. This technique overcomes autofluorescence issues, enabling deeper imaging and understanding of root formation.
Area of Science:
- Plant biology
- Developmental biology
- Molecular biology
Background:
- De novo root regeneration (DNRR) is crucial for plant development and tissue repair.
- Observing gene expression during DNRR in plant explants is challenging due to high autofluorescence.
- Traditional methods like GUS staining are limited for visualizing fluorescent proteins in leaf tissues.
Purpose of the Study:
- To introduce a novel method for observing gene expression patterns during de novo root regeneration (DNRR) in Arabidopsis leaf explants.
- To overcome the limitations of autofluorescence in plant tissues for deep imaging of fluorescent proteins.
- To enable the investigation of molecular mechanisms underlying hormone-free DNRR.
Main Methods:
- Development of a de novo root regeneration (DNRR) system using detached Arabidopsis leaf explants.
- Application of the ClearSee technique combined with Congo red staining for deep imaging.
- Utilizing deep imaging to observe fluorescent protein localization and gene expression patterns.
- Minimizing autofluorescence in leaf explants to enhance visualization of fluorescent signals.
Main Results:
- The ClearSee technique effectively reduces autofluorescence in Arabidopsis leaf explants.
- The method allows for stable observation of fluorescent proteins, crucial for gene expression studies.
- Successful visualization of molecular actions guiding hormone-free de novo root regeneration (DNRR).
Conclusions:
- The ClearSee technique offers a powerful tool for studying gene expression during plant regeneration.
- This method facilitates a deeper understanding of the molecular pathways involved in de novo root regeneration (DNRR).
- The developed system provides new avenues for investigating plant development and tissue regeneration processes.

