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Updated: May 23, 2026
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Novel Metrics to Characterize Embryonic Elongation of the Nematode Caenorhabditis elegans
Published on: March 28, 2016
Developmental decisions: balancing genetics and the environment by C. elegans.
David V Tobin1, Richard Mako Saito
1Department of Genetics, Dartmouth Medical School, Hanover, NH, USA.
Cell Cycle (Georgetown, Tex.)
|April 19, 2012
Summary
C. elegans adapts its development to food deprivation by altering cell lineages to conserve energy. Key regulators include AMPK-mediated and insulin-like growth factor signaling pathways, inducing cell cycle quiescence.
Area of Science:
- Developmental biology
- Cellular biology
- Nematode research
Background:
- The nematode C. elegans exhibits a highly reproducible cell lineage, crucial for studying multi-lineage organism development.
- Understanding environmental adaptations in genetically programmed cell lineages is a recent focus.
Purpose of the Study:
- To summarize the adaptive responses of C. elegans to food deprivation.
- To highlight the molecular pathways regulating developmental plasticity under stress.
Main Methods:
- Review of current literature on C. elegans development and environmental adaptation.
- Focus on signaling pathways involved in stress response and cell cycle regulation.
Main Results:
- C. elegans modifies its developmental cell lineages in response to food deprivation to conserve energy.
- AMPK-mediated and insulin-like growth factor signaling pathways are identified as principal regulators.
- These pathways induce cell cycle quiescence as an adaptive mechanism.
Conclusions:
- C. elegans demonstrates developmental plasticity to environmental challenges like starvation.
- AMPK and IGF signaling are critical for mediating energy conservation through cell cycle arrest during development.
