Interaction of Spermidine and a Low-Methionine Diet on Lifespan in Mtdna-Deficient Saccharomyces Cerevisiae
2024
How Spermidine and Low-Methionine Diet Affect Lifespan in Yeast
publication
Author Information
Author(s): Su Wei-Hsuan, Cheng Evien, Cervantes Laura Hernandez, Nishitani Megan, Schriner Samuel
Primary Institution: University of California Irvine
Hypothesis
How do spermidine and a low-methionine diet interact to affect lifespan in mtDNA-deficient yeast?
Conclusion
Spermidine shortens lifespan in mtDNA-deficient yeast, while a low-methionine diet can extend lifespan in wild-type yeast.
Supporting Evidence
- Spermidine was found to shorten lifespan in mtDNA-deficient yeast.
- Low-methionine treatment extended lifespan in wild-type yeast.
- Mitochondrial function significantly influences the effects of spermidine and low-methionine on lifespan.
Takeaway
This study looks at how two things, spermidine and a low-methionine diet, affect how long yeast live. It found that spermidine can actually make some yeast live shorter lives.
Methodology
The study used yeast lacking mtDNA as a model to investigate the effects of spermidine and low-methionine diets on lifespan.
Digital Object Identifier (DOI)
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