Improved Protein Depletion System in Fission Yeast
Author Information
Author(s): Kanke Mai, Nishimura Kohei, Kanemaki Masato, Kakimoto Tatsuo, Takahashi Tatsuro S, Nakagawa Takuro, Masukata Hisao
Primary Institution: Graduate School of Science, Osaka University
Hypothesis
The aim of this work was to construct a useful and powerful protein-depletion system in Schizosaccharomyces pombe.
Conclusion
The off-AID system is a powerful method for in vivo protein-depletion in fission yeast.
Supporting Evidence
- The i-AID system improved degradation efficiency of Mcm4-aid, causing severe growth defects.
- The off-AID system combined transcription repression with the i-AID system for more efficient protein depletion.
- The i-AID system selectively degraded Mcm4-aid protein from the MCM complex without depleting other subunits.
Takeaway
Scientists created a new way to remove proteins from fission yeast cells to study their functions better, which helps understand how cells work.
Methodology
An auxin-inducible degron (AID) system was constructed in fission yeast, utilizing a plant-specific mechanism for protein degradation.
Limitations
The degradation efficiency decreases at high temperatures, and some proteins were not efficiently depleted.
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website