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Quantifying Yeast Chronological Life Span by Outgrowth of Aged Cells
Published on: May 6, 2009
A genomic approach to yeast chronological aging
Christopher R Burtner1, Christopher J Murakami, Matt Kaeberlein
1Department of Pathology, University of Washington, Seattle, WA 98195-7470, USA.
Methods in Molecular Biology (Clifton, N.J.)
|June 13, 2009
Summary
We developed a new method to measure yeast lifespan, improving accuracy and efficiency for genetic aging studies. This high-throughput approach reduces labor and variability in analyzing yeast chronological aging.
Area of Science:
- Gerontology
- Molecular Biology
- Yeast Genetics
Background:
- Yeast serves as a key model organism for aging research.
- Traditional genomic studies of yeast aging are labor-intensive and resource-heavy.
- Limitations exist in current methods for measuring yeast chronological lifespan.
Purpose of the Study:
- To introduce a novel, high-throughput method for quantifying yeast chronological lifespan.
- To enable quantitative measurement of lifespan for individual strains within the yeast ORF deletion collection.
- To overcome limitations of traditional assays in yeast aging research.
Main Methods:
- Utilized a Bioscreen C MBR shaker/incubator/plate reader for monitoring.
- Employed outgrowth kinetics to determine population survival.
- Applied this method to assess the chronological lifespan of the yeast ORF deletion collection.
Main Results:
- The new method provides quantitative lifespan measurements.
- Achieved accuracy comparable to traditional lifespan assays.
- Demonstrated higher throughput and decreased measurement variability.
Conclusions:
- This novel method enhances the efficiency and reliability of yeast aging studies.
- Facilitates large-scale genomic analysis of aging mechanisms in yeast.
- Offers a valuable tool for researchers investigating lifespan and age-related diseases.
