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Cited by 310

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Elongation of displacement-loop strands in human and mouse mitochondrial DNA is arrested near specific template sequences.

Open access
Doda, J N, Wright, C T, Clayton, D A·1981·Proceedings of the National Academy of Sciences

Abstract

Animal mitochondrial DNA (mtDNA) maintains a displacement loop (D loop) at the heavy strand origin of replication. These D loops represent sharply limited synthesis of heavy strands and provide a unique opportunity to examine the termination of DNA synthesis. Direct sizing at the nucleotide level indicates that the 3' ends of D-loop strands of human and mouse mtDNA are discrete and map within three to five nucleotides on the complementary template strand. In the case of human mtDNA, there is a single trinucleotide stop point 51-53 nucleotides downstream from a 15-nucleotide template sequence (3'T-A-A-C-C-C-A-A-A-A-A-T-A-C-A 5') which is repeated four times in the mouse mtDNA D-loop region 3'(T-A-A-Py-Py-A-A-A-T-T-A-C-A 5'). The stop points of the five major mouse D-loop strands are 24-63 nucleotides downstream from the four repeated template sequences. These results suggest that the arrest of D-loop strand elongation is an event determined by template sequence.

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Metadata

Authors
Doda, J. N., Wright, C. T., & Clayton, D. A.
Venue
Proceedings of the National Academy of Sciences
Published
1981-10
Volume
78
Issue
10
Pages
6116-6120
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2030230379
Cited by
310
References
11
FWCI
1.18
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Elongation of displacement-loop strands in human and mouse mitochondrial DNA is arrested near specific template sequences. https://app.cochat.ai/papers/10.1073/pnas.78.10.6116
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Doda, J. N., Wright, C. T., & Clayton, D. A. (1981). Elongation of displacement-loop strands in human and mouse mitochondrial DNA is arrested near specific template sequences. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.78.10.6116

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