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    Home > Biochemistry News > Microbiology News > Measuring Oxidative mtDNA Damage and Repair Using Quantitative PCR

    Measuring Oxidative mtDNA Damage and Repair Using Quantitative PCR

    • Last Update: 2021-02-22
    • Source: Internet
    • Author: User
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    The human mitochondrial genome was completely sequenced in 1981 by Anderson and co-workers (
    1
    ) and consists of a closed circular supercoiled
    DNA
    molecule of 16,569 base pairs. Mammalian cells characteristically contain a few hundred to several thousand mitochondria, each with 2-10 copies of the genome. The mitochondrial genome encodes 13 polypeptides, 22 transfer RNAs (tRNAs), and 2 rRNA. The 13 polypeptides encoded by the mitochondrial DNA (mtDNA) are essential subunits of the electron transport chain (ETC) and ATP synthase; cells lacking mtDNA are completely dependent on glycolysis for survival (
    2
    ).
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