Cytosolic retention of the mitochondrial protease HtrA2 during mitochondrial protein import stress (MPIS) triggers the DELE1-HRI pathway
P. Y. Bi, S. A. Killackey, L. Schweizer, D. Arnoult, D. J. Philpott, S. E. Girardin
This study identifies mitochondrial protein import stress (MPIS) as the trigger for the DELE1-HRI pathway and shows HtrA2 mediates DELE1 cleavage into distinct forms under stress.
bioRxiv · Feb 26, 2023 · PreprintCell Biology