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A Suppressor Screen for the Characterization of Genetic Links Regulating Chronological Lifespan in Saccharomyces cerevisiae
Published on: September 17, 2020
Preparation of yeast DNA
1Boston College, Chestnut Hill, Massachusetts, USA.
Current Protocols in Molecular Biology
|February 12, 2008
Summary
This study details two "smash and grab" DNA isolation protocols for yeast. These methods efficiently yield both plasmid and chromosomal DNA for molecular biology applications like bacterial transformation and PCR.
Area of Science:
- Molecular Biology
- Yeast Genetics
Background:
- Isolation of plasmid and chromosomal DNA is crucial for yeast molecular studies.
- Plasmid DNA is essential for E. coli transformation.
- Chromosomal DNA is required for Southern hybridization, PCR, and cloning.
Purpose of the Study:
- To present efficient protocols for isolating both plasmid and chromosomal yeast DNA.
- To provide DNA suitable for various downstream molecular applications.
- To offer versatile methods applicable to both Saccharomyces cerevisiae and Schizosaccharomyces pombe.
Main Methods:
- Two variations of the "smash and grab" protocol were employed.
- The protocols were optimized for DNA yield and purity.
- Applicability was tested across different yeast species.
Main Results:
- The "smash and grab" protocols successfully isolated both plasmid and chromosomal DNA.
- The isolated DNA was suitable for bacterial transformation.
- The DNA was also effective for Southern hybridization and PCR.
Conclusions:
- The presented "smash and grab" protocols are effective for yeast DNA isolation.
- These methods provide high-quality DNA for diverse molecular biology techniques.
- The protocols are robust and applicable to common laboratory yeast strains.
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