Nature Communications (May 2018)

Non-canonical activation of DAPK2 by AMPK constitutes a new pathway linking metabolic stress to autophagy

  • Ruth Shiloh,
  • Yuval Gilad,
  • Yaara Ber,
  • Miriam Eisenstein,
  • Dina Aweida,
  • Shani Bialik,
  • Shenhav Cohen,
  • Adi Kimchi

DOI
https://doi.org/10.1038/s41467-018-03907-4
Journal volume & issue
Vol. 9, no. 1
pp. 1 – 15

Abstract

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DAPK2 is a calmodulin-regulated protein kinase implicated in autophagy regulation, but how physiological stress leads to its activation is yet unknown. Here, the authors show that the central metabolic sensor AMPK phosphorylates DAPK2 to promote autophagy in a calmodulin-independent mechanism.