Hormesis in Caenorhabditis elegans dauer-defective mutants.

Abstract excerpt

We have shown that increased longevity and stress resistance can be induced by sub-lethal exposure to stressors (hormesis). Here we ask whether genes of the dauer formation pathway that are known to modulate life span in Caenorhabditis elegans are required for this hormesis. We find that loss-of-function mutations in any of three genes (daf-16, daf-18, or daf-12) not only reduce or abolish the ability to form...

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