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Updated: Sep 21, 2025
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High-throughput Screening for Protein-based Inheritance in S. cerevisiae
Published on: August 8, 2017
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Structural Bases of Prion Variation in Yeast
Vitaly V Kushnirov1, Alexander A Dergalev1, Maya K Alieva1
1A.N. Bach Institute of Biochemistry, Federal Research Center "Fundamentals of Biotechnology" of the Russian Academy of Sciences, Moscow 119071, Russia.
International Journal of Molecular Sciences
|May 28, 2022
Summary
Yeast prions, a type of amyloid aggregate, can be inherited and serve as models for human diseases. Their structure influences protein aggregation and function through chaperone interactions.
Area of Science:
- Biochemistry
- Molecular Biology
- Cell Biology
Background:
- Amyloids are protein aggregates implicated in human diseases and physiological processes.
- Yeast prions are heritable amyloids with implications for broader amyloid research.
- Understanding yeast prions offers insights into protein aggregation mechanisms.
Purpose of the Study:
- To review the structure and variation of yeast prions.
- To explore how prion structure influences protein aggregation via chaperones.
- To examine the impact of prion aggregation on non-prion protein functions.
Main Methods:
- Literature review of yeast prion research.
- Analysis of structural variations in yeast prions.
- Investigation of chaperone-mediated regulation of prion aggregation.
- Examination of functional consequences of prion formation.
Main Results:
- Yeast prion structures exhibit significant variation.
- Prion structure dictates the balance between aggregated and soluble protein states.
- Chaperone interactions are crucial for regulating prion propagation.
- Prion aggregation affects the normal functions of prion proteins.
Conclusions:
- Yeast prions serve as valuable models for studying amyloid diseases.
- Prion structure is a key determinant of protein aggregation and function.
- Chaperone machinery plays a vital role in managing prion states.
- Prion formation has significant implications for cellular physiology.
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