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Engineering prime editors in Salvia miltiorrhiza for precise genome modification
1State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China.
Journal of Integrative Plant Biology
|April 16, 2026
Summary
Scientists optimized prime editing in the medicinal plant Danshen (Salvia miltiorrhiza) for precise gene editing. This advances synthetic biology by increasing valuable tanshinone compounds in the plant.
Area of Science:
- Plant biotechnology
- Synthetic biology
- Medicinal chemistry
Background:
- Salvia miltiorrhiza (Danshen) is a key medicinal plant.
- Tanshinones are valuable bioactive compounds with therapeutic potential.
- Efficient genetic tools are needed to improve medicinal plant traits.
Purpose of the Study:
- To develop an optimized prime editing system in Danshen.
- To enable precise genetic modifications for enhanced compound production.
- To advance synthetic biology applications in medicinal plants.
Main Methods:
- Development of an optimized prime editing system.
- Application of prime editing for base transversions, insertions, and substitutions.
- Editing of key genes involved in tanshinone biosynthesis.
Main Results:
- Successful implementation of prime editing in Danshen.
- Generation of germplasm with significantly elevated tanshinone content.
- Demonstration of precise gene editing capabilities.
Conclusions:
- The optimized prime editing system is effective for Danshen.
- This technology can be used to enhance the production of valuable compounds.
- It opens new avenues for genetic engineering in medicinal plants.
