Regulation of lifespan by sensory perception in Caenorhabditis elegans

Javier Apfeld and Cynthia Kenyon ()
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Javier Apfeld: University of California at San Francisco
Cynthia Kenyon: University of California at San Francisco

Nature, 1999, vol. 402, issue 6763, 804-809

Abstract: Abstract Caenorhabditis elegans senses environmental signals through ciliated sensory neurons located primarily in sensory organs in the head and tail. Cilia function as sensory receptors, and mutants with defective sensory cilia have impaired sensory perception1,2. Cilia are membrane-bound microtubule-based structures and in C. elegans are only found at the dendritic endings of sensory neurons3. Here we show that mutations that cause defects in sensory cilia or their support cells, or in sensory signal transduction, extend lifespan. Our findings imply that sensory perception regulates the lifespan of this animal, and suggest that in nature, its lifespan may be regulated by environmental cues.

Date: 1999
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DOI: 10.1038/45544

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