Ectopic BH3-Only Protein Bim Associates with Hsp70 to Regulate Yeast Mitophagy
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Published:2023-10
Issue:1
Volume:512
Page:292-299
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ISSN:1607-6729
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Container-title:Doklady Biochemistry and Biophysics
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language:en
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Short-container-title:Dokl Biochem Biophys
Author:
Yuan Linjie,Wang Yuying,Margulis B. A.,Song Ting,Wang Ziqian,Zhang Zhichao
Abstract
Abstract
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.
Publisher
Pleiades Publishing Ltd
Subject
General Chemistry,Biochemistry,General Medicine,Biophysics
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