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. 1996 Oct;59(4):772–780.

The mutation rate of the human mtDNA deletion mtDNA4977.

R Shenkar 1, W Navidi 1, S Tavaré 1, M H Dang 1, A Chomyn 1, G Attardi 1, G Cortopassi 1, N Arnheim 1
PMCID: PMC1914802  PMID: 8808591

Abstract

The human mitochondrial mutation mtDNA4977 is a 4,977-bp deletion that originates between two 13-bp direct repeats. We grew 220 colonies of cells, each from a single human cell. For each colony, we counted the number of cells and amplified the DNA by PCR to test for the presence of a deletion. To estimate the mutation fate, we used a model that describes the relationship between the mutation rate and the probability that a colony of a given size will contain no mutants, taking into account such factors as possible mitochondrial turnover and mistyping due to PCR error. We estimate that the mutation rate for mtDNA4977 in cultured human cells is 5.95 x 10(-8) per mitochondrial genome replication. This method can be applied to specific chromosomal, as well as mitochondrial, mutations.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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