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Updated: May 29, 2026
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Surveying Low-Cost Methods to Measure Lifespan and Healthspan in Caenorhabditis elegans
Published on: May 18, 2022
Longevity and stress in Caenorhabditis elegans
Katherine I Zhou1, Zachary Pincus, Frank J Slack
1Department of Molecular, Cellular and Developmental Biology, Yale University, New Haven, CT 06520, USA.
Aging
|September 23, 2011
Summary
Manipulations boosting longevity in Caenorhabditis elegans also enhance stress resistance, but the exact mechanistic link between these traits remains unclear across organisms.
Area of Science:
- Gerontology
- Stress Physiology
- Molecular Biology
Background:
- Longevity and stress resistance are often linked in model organisms like Caenorhabditis elegans.
- These connections extend to more complex organisms, suggesting conserved biological mechanisms.
- However, the precise relationship and overlap between these phenotypes are not fully understood.
Purpose of the Study:
- To review the established links between stress resistance and longevity.
- To discuss cases where this correlation is absent or inexact.
- To summarize theoretical explanations for the observed phenomena.
Main Methods:
- Literature review of studies on longevity and stress resistance.
- Analysis of conserved mechanisms across different organisms.
- Synthesis of theoretical models explaining the relationship.
Main Results:
- Identified numerous shared pathways and interventions affecting both longevity and stress resistance.
- Highlighted discrepancies and exceptions where longevity does not correlate with stress resistance.
- Presented various hypotheses including resource allocation and distinct genetic pathways.
Conclusions:
- While often correlated, longevity and stress resistance are not identical phenotypes.
- Understanding their complex interplay is crucial for aging research.
- Further investigation is needed to fully elucidate the underlying molecular mechanisms.
