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The mitochondrial R-loop

delete2019-05-02
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Ian Holt *
DOI:10.1093/nar/gkz277delete
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Abstract

Abstract

En 中文
The DNA in mitochondria contributes essential components of the organelle's energy producing machinery that is essential for life. In 1971, many mitochondrial DNA molecules were found to have a third strand of DNA that maps to a region containing critical regulatory elements for transcription and replication. Forty-five years later, a third strand of RNA in the same region has been reported. This mitochondrial R-loop is present on thousands of copies of mitochondrial DNA per cell making it potentially the most abundant R-loop in nature. Here, I assess the discovery of the mitochondrial R-loop, discuss why it remained unrecognized for almost half a century and propose for it central roles in the replication, organization and expression of mitochondrial DNA, which if compromised can lead to disease states.
Keywords:
DNA-POLYMERASE GAMMA
DISPLACEMENT-LOOP
MTDNA REPLICATION
RNA GRANULES
BINDING-PROPERTIES
ACCESSORY SUBUNIT
TRANSCRIPTION
ORIGIN
STRAND
GENE
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Journal

Nucleic Acids Research cover
Nucleic Acids Research
IF:
13.1
Papers:
3.6W
Citations:
29.0W

Organization

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instituto de investigacion sanitaria biogipuzkoa
Scholars:
1.2K
Papers: 816
Citations: 1