Conditional Gene Deletion in Yeast Using FLP/FRT System
Author Information
Author(s): Park Yang-Nim, Masison Daniel, Eisenberg Evan, Greene Lois E
Primary Institution: NHLBI, NIH
Hypothesis
Can the FLP/FRT system be effectively used for conditional gene deletion in yeast?
Conclusion
The FLP/FRT system allows for efficient conditional gene deletion in yeast, achieving up to 96% deletion efficiency within 9 hours.
Supporting Evidence
- The pre-excision frequency was detected at approximately 2% under non-selecting conditions.
- After inducing Flp recombinase, deletion efficiency reached about 96% within 9 hours.
- The system allows for the expression of the specific protein under its own promoter before deletion.
Takeaway
Scientists found a way to turn off specific genes in yeast when they want, which helps them study how those genes work.
Methodology
The study established a conditional gene deletion system using the FLP/FRT recombination system on yeast vectors, testing its efficiency with specific genes.
Limitations
The GAL1 promoter used for Flp recombinase expression is slightly leaky, causing some pre-excision events.
Digital Object Identifier (DOI)
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