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Updated: Jun 27, 2026
10:39
A Suppressor Screen for the Characterization of Genetic Links Regulating Chronological Lifespan in Saccharomyces cerevisiae
Published on: September 17, 2020
Autophagy genes and ageing
1Department of Genetics, Eötvös Loránd University, Budapest H-1117, Hungary. vellai@falco.elte.hu
Cell Death and Differentiation
|December 17, 2008
Summary
Autophagy, a cellular self-eating process, is crucial for aging control. Enhancing autophagy gene expression can extend lifespan and slow tissue aging across diverse organisms.
Area of Science:
- Cellular Biology
- Gerontology
- Genetics
Background:
- Aging is a multifactorial process influenced by conserved pathways, mitochondrial function, and environmental factors.
- Intracellular accumulation of damaged proteins and mitochondria is a hallmark of aged cells.
- Autophagy (cellular self-eating) is a key process for degrading cellular waste and damaged components.
Purpose of the Study:
- To review the molecular mechanisms linking autophagy genes with longevity pathways.
- To explore the role of autophagy in regulating the aging process across diverse species.
Main Methods:
- Review of genetic studies in model organisms (nematodes, flies).
- Analysis of conserved signaling pathways and their interaction with autophagy.
- Examination of environmental factors influencing aging and autophagy.
Main Results:
- Autophagy-related genes are essential for lifespan extension in long-lived mutants and survival during starvation.
- Promoting basal autophagy gene (Atg8) expression in the nervous system of Drosophila extends lifespan by 50%.
- Autophagy plays a conserved role in regulating the rate of tissue aging.
Conclusions:
- Autophagy is a critical regulator of aging and longevity across a wide range of organisms.
- Targeting autophagy pathways offers potential therapeutic strategies for age-related decline.
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