Activation of the reaper gene during ectopic cell killing in Drosophila

William Nordstrom, Po Chen, Hermann Steller, John M. Abrams

Research output: Contribution to journalArticle

99 Scopus citations

Abstract

The product of the reaper (rpr) gene is required for programmed cell death in Drosophila. We examined rpr expression during ectopic cell aths caused by ionizing radiation or aberrant development. In both instances, dramatic induction of rpr expression was observed. A genomic fragment upstream of rpr confers this regulatory behavior upon a lacZ reporter transgene. In a model cell culture system, conditional expression of REAPER is sufficient to induce massive apoptosis that can be prevented by the anti-apoptotic protein p35. Overall, these results suggest that diverse signals converge at, or upstream of, rpr-associated transcriptional regulatory elements that can function to initiate a common apoptotic pathway involving ICE-like protease activity.

Original languageEnglish (US)
Pages (from-to)213-226
Number of pages14
JournalDevelopmental Biology
Volume180
Issue number1
DOIs
StatePublished - Nov 25 1996

ASJC Scopus subject areas

  • Molecular Biology
  • Developmental Biology
  • Cell Biology

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