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Antimutagenicity in yeast
G Bronzetti1, C Della Croce, A Galli
1Istituto di Mutagenesi e Differenziamento, CNR, Pisa, Italy.
Abstract:
In recent years there has been increasing interest in antimutagenesis, and studies have been done using both prokaryotic and eukaryotic systems. In eukaryotic systems the first studies were performed with different strains of Schizosaccharomyces pombe. In particular, caffeine and L-methionine were investigated. Different strains of Saccharomyces cerevisiae were employed in studies of a wide variety of compounds, including acridine, saccharin, salts, tumor promoters and co-carcinogens. Strain D7 was widely employed and antimutagenic activity of spermine, chlorophyllin, cobaltous chloride and fermented milk is reported.
Insights
Antimutagenesis research explores compounds that prevent DNA mutations. Studies in eukaryotic systems, particularly yeast, have identified various agents like caffeine, L-methionine, and fermented milk exhibiting antimutagenic properties.
Area of Science:
- Microbiology
- Genetics
- Biochemistry
Background:
- Growing interest in antimutagenesis across prokaryotic and eukaryotic systems.
- Early eukaryotic studies focused on Schizosaccharomyces pombe, investigating compounds like caffeine and L-methionine.
- Subsequent research utilized Saccharomyces cerevisiae strains to assess a broad spectrum of compounds.
Purpose of the Study:
- To review and highlight key findings in eukaryotic antimutagenesis research.
- To identify specific compounds and agents demonstrating antimutagenic activity.
- To provide an overview of methods and results in yeast-based antimutagenesis studies.
Main Methods:
- Utilized various strains of Schizosaccharomyces pombe for initial investigations.
- Employed different strains of Saccharomyces cerevisiae, including the widely used Strain D7.
- Tested a diverse range of compounds, including acridine, saccharin, salts, tumor promoters, co-carcinogens, spermine, chlorophyllin, cobaltous chloride, and fermented milk.
Main Results:
- Caffeine and L-methionine showed antimutagenic effects in Schizosaccharomyces pombe.
- Studies with Saccharomyces cerevisiae reported antimutagenic activity for compounds such as spermine, chlorophyllin, cobaltous chloride, and fermented milk.
- A wide array of chemical agents and natural products were evaluated for their potential to inhibit mutagenesis.
Conclusions:
- Eukaryotic yeast systems, particularly Saccharomyces cerevisiae, are valuable models for studying antimutagenesis.
- Several compounds, both synthetic and naturally derived, possess significant antimutagenic potential.
- Further research into these agents could lead to strategies for preventing genetic damage.