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Inducible, Cell Type-Specific Expression in Arabidopsis thaliana Through LhGR-Mediated Trans-Activation
Published on: April 19, 2019
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Cleave and Rescue gamete killers create conditions for gene drive in plants
Georg Oberhofer1, Michelle L Johnson1, Tobin Ivy1
1California Institute of Technology. Division of Biology and Biological Engineering. 1200 East California Boulevard, MC156-29, Pasadena, CA 91125.
Biorxiv : the Preprint Server for Biology
|October 24, 2023
Summary
Cleave and Rescue (ClvR) gene drive elements were successfully demonstrated in Arabidopsis thaliana, efficiently eliminating gametes lacking the drive. This technology shows promise for rapid population modification in plants.
Area of Science:
- Genetics and Genomics
- Molecular Biology
- Plant Science
Background:
- Gene drive systems offer novel mechanisms for altering wild populations by promoting the inheritance of specific genetic traits.
- Cleave and Rescue (ClvR) gene drives utilize a DNA-modifying enzyme to disrupt essential genes, coupled with a resistant allele to ensure drive propagation.
Approach:
- The study demonstrated ClvR gene drive functionality in Arabidopsis thaliana by targeting the essential gene YKT61.
- The ClvR system was designed to eliminate gametes that do not inherit the drive, ensuring its spread through the population.
Key Points:
- The ClvR gene drive effectively eliminated gametes lacking the drive, confirming its essential function in Arabidopsis.
- No resistant alleles, which could impede drive efficiency, were observed in the experimental setup.
- Modeling suggests plant ClvR systems are robust against potential failure modes.
Conclusions:
- ClvR gene drives represent a powerful tool for rapid population modification and suppression in plants.
- Potential applications include advancements in plant breeding, weed management, and conservation efforts.
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