Analyzing the Budding Yeast Cell Cycle Model
Author Information
Author(s): Lovrics Anna, Csikász-Nagy Attila, Zsély István Gy, Zádor Judit, Turányi Tamás, Novák Béla
Primary Institution: Eötvös University (ELTE)
Hypothesis
Can different methods of dynamical systems theory provide evidence for transitions among several different steady states during the budding yeast cell cycle?
Conclusion
The study reveals that the budding yeast cell cycle undergoes distinct excitation and relaxation periods, which correspond to major cell cycle transitions.
Supporting Evidence
- The study identifies four excitation and four relaxation periods during the budding yeast cell cycle.
- Excitation periods correspond to irreversible transitions driven by feedback loops.
- The dynamical dimension of the system fluctuates, indicating changes in the underlying regulatory network.
Takeaway
This study shows that yeast cells go through different phases when they grow and divide, and these phases can be tracked using mathematical models.
Methodology
The study used eigenvalue analysis of the Jacobian of kinetic differential equations to determine stability and transitions in the cell cycle.
Limitations
The model may not capture all biological complexities of the cell cycle.
Digital Object Identifier (DOI)
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