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A phosphatidylinositol-3-OH kinase family member regulating longevity and diapause in Caenorhabditis elegans

Abstract

A PHEROMONE-INDUCED neurosecretory pathway in Caenorhabditis elegans triggers developmental arrest and an increase in longevity at the dauer diapause stage. The gene age-1 is required for non-dauer development and normal senescence, age-1 encodes a homologue of mammalian phosphatidylinositol-3-OH kinase (PI(3)K) catalytic subunits. Lack of both maternal and zygotic age-1 activity causes dauer formation, whereas animals with maternal but not zygotic age-1 activity develop as non-dauers that live more than twice as long as normal. These data suggest that phosphatidylinositol signalling mediated by AGE-1 protein controls lifespan and the dauer diapause decision.

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Morris, J., Tissenbaum, H. & Ruvkun, G. A phosphatidylinositol-3-OH kinase family member regulating longevity and diapause in Caenorhabditis elegans. Nature 382, 536–539 (1996). https://doi.org/10.1038/382536a0

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