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Cited by 395

The DOI matches its Crossref record; 36 of the 36 references it cites were found in a registry or an index.

Universal heteroplasmy of human mitochondrial DNA

Open access
Payne, B. A. I., Wilson, I. J., Yu-Wai-Man, P., Coxhead, J., Deehan, D., Horvath, R., Taylor, R. W., Samuels, D. C., Santibanez-Koref, M., Chinnery, P. F.·2013·Human Molecular Genetics

Abstract

Mammalian cells contain thousands of copies of mitochondrial DNA (mtDNA). At birth, these are thought to be identical in most humans. Here, we use long read length ultra-deep resequencing-by-synthesis to interrogate regions of the mtDNA genome from related and unrelated individuals at unprecedented resolution. We show that very low-level heteroplasmic variance is present in all tested healthy individuals, and is likely to be due to both inherited and somatic single base substitutions. Using this approach, we demonstrate an increase in mtDNA mutations in the skeletal muscle of patients with a proofreading-deficient mtDNA polymerase γ due to POLG mutations. In contrast, we show that OPA1 mutations, which indirectly affect mtDNA maintenance, do not increase point mutation load. The demonstration of universal mtDNA heteroplasmy has fundamental implications for our understanding of mtDNA inheritance and evolution. Ostensibly de novo somatic mtDNA mutations, seen in mtDNA maintenance disorders and neurodegenerative disease and aging, will partly be due to the clonal expansion of low-level inherited variants.

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Metadata

Authors
Payne, B. A. I., Wilson, I. J., Yu-Wai-Man, P., Coxhead, J., Deehan, D., Horvath, R., Taylor, R. W., Samuels, D. C., Santibanez-Koref, M., & Chinnery, P. F.
Venue
Human Molecular Genetics
Published
2012-10-16
Volume
22
Issue
2
Pages
384-390
ISSN
  • 0964-6906 (ISSN-L)
  • 1460-2083
OpenAlex
W2111976489
Cited by
395
References
36
FWCI
11.04
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Universal heteroplasmy of human mitochondrial DNA. https://app.cochat.ai/papers/10.1093/hmg/dds435
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Payne, B. A. I., Wilson, I. J., Yu-Wai-Man, P., Coxhead, J., Deehan, D., Horvath, R., Taylor, R. W., Samuels, D. C., Santibanez-Koref, M., & Chinnery, P. F. (2013). Universal heteroplasmy of human mitochondrial DNA. Human Molecular Genetics. https://doi.org/10.1093/hmg/dds435

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