Abstract:SUMMARYThe synthesis of mitochondrial DNA (mtDNA) is not coupled with cell cycle. Previous studies have shown that the size of deoxyribonucleoside triphosphate (dNTP) pools plays an important role in regulating mtDNA replication and amplification. In yeast, dNTPs are synthesized by the cytosolic ribonucleotide reductase (RNR). It is currently poorly understood as to how RNR activity is regulated in non-dividing or quiescent cells to finely tune mtDNA metabolism to cope with different metabolic states. Here, we… Show more
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