Endosomal removal and disposal of dysfunctional, immunostimulatory mitochondrial DNA
L. E. Newman, N. Tadepalle, S. W. Novak, C. R. Schiavon, G. R. Rojas, J. A. Chevez, I. Lemersal, M. Medina, S. Rocha, C. G. Towers, D. A. Grotjahn, U. Manor, G. S. Shadel
The paper investigates how dysfunctional mitochondrial DNA is removed via an endosomal pathway, showing that defects in mtDNA replication and segregation trigger a fission checkpoint leading to immune activation and eventual disposal through RAB7-containing endosomes.
bioRxiv · Oct 12, 2022 · PreprintCell Biology