Article
Mitochondrial DNA segregation and replication restrict the transmission of detrimental mutation.
The Journal of cell biology - 6 Jul 2020
Chen Zhe, Wang Zong-Heng, Zhang Guofeng, Bleck Christopher K E, Chung Dillon J, Madison Grey P, Lindberg Eric, Combs Christian, Balaban Robert S, Xu Hong
Abstract excerpt
Although mitochondrial DNA (mtDNA) is prone to accumulate mutations and lacks conventional DNA repair mechanisms, deleterious mutations are exceedingly rare. How the transmission of detrimental mtDNA mutations is restricted through the maternal lineage is debated. Here, we demonstrate that mitochondrial fission, together with the lack of mtDNA replication, segregate mtDNA into individual organelles in the...
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