The Origin of Programmed Cell Death

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Science  31 May 1996:
Vol. 272, Issue 5266, pp. 1278-1279
DOI: 10.1126/science.272.5266.1278


Cells from multicellular organisms self-destruct when they are no longer needed. Ameisen describes how such programmed cell death has now been found in lower organisms and what this tells us about evolution of the process of cell death.