Mitochondrial proteostatic stress disrupts mitoribosome biogenesis and translation
Hauke Holthusen, Victoria A. Trinkaus, Carina Fernandez Gonzalez, Itika Saha, Isabelle Pachmayr, Orsolya Kimbu Wade, Anja Deiser, Barbara Hummel, Patricia Yuste‐Checa, Kenneth Ehses, Roman Körner, Rubén Fernández‐Busnadiego, Ritwick Sawarkar, Ralf Jungmann, Mark S. Hipp, F. Ulrich Hartl
This study shows that proteostatic stress in mitochondria impairs mitoribosome biogenesis and translation, leading to respiratory deficiency and mitochondrial DNA loss.
bioRxiv · Sep 5, 2025 · PreprintCell Biology