Ectopic BH3-Only Protein Bim Associates with Hsp70 to Regulate Yeast Mitophagy.

Mitophagy, a form of selective autophagy, plays an essential role to maintain a population of healthy and functional mitochondria for normal cellular metabolism. Acting mainly as one of the B-cell lymphoma 2 (Bcl-2) family pro-apoptotic members, Bim (also known as BCL2L11) was identified to be a co-chaperone of Hsp70 to ...
promote mitophagy in mammalian cells. Herein, with the help of a specific Hsp70/Bim disruptor and Om45-GFP processing assay, we illustrated that ectopic BimEL is able to promote mitophagy through Hsp70/Bim interaction in yeast, where Bax/Bak is absent. The Hsp70/Bim-mediated mitophagy is conserved in eukaryotes, from yeast to humans.
Mesh Terms:
Animals, Apoptosis, Apoptosis Regulatory Proteins, Bcl-2-Like Protein 11, Humans, Mammals, Membrane Proteins, Mitophagy, Proto-Oncogene Proteins, Saccharomyces cerevisiae
Dokl Biochem Biophys
Date: Oct. 01, 2023
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