The interface of transcription and DNA replication in the mitochondria.
The interface of transcription and DNA replication in the mitochondria.
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DOI:
10.1016/j.bbagrm.2011.12.005
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发表时间:
2012-09
影响因子:
4.7
通讯作者:
Copeland, William C.
中科院分区:
文献类型:
--
作者:
Kasiviswanathan, Rajesh;Collins, Tammy R. L.;Copeland, William C.
关键词:
DNA replication of the mitochondrial genome is unique in that replication is not primed by RNA derived from dedicated primases, but instead by extension of processed RNA transcripts laid down by the mitochondrial RNA polymerase. Thus, the RNA polymerase serves not only to generate the transcripts but also the primers needed for mitochondrial DNA replication. The interface between this transcription and DNA replication is not well understood but must be highly regulated and coordinated to carry out both mitochondrial DNA replication and transcription. This review focuses on the extension of RNA primers for DNA replication by the replication machinery and summarizes the current models of DNA replication in mitochondria as well as the proteins involved in mitochondrial DNA replication, namely, the DNA polymerase γ and its accessory subunit, the mitochondrial DNA helicase, the single-stranded DNA binding protein, toposiomerase I and IIIα and RNaseH1.
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DOI:
10.1073/pnas.82.2.351
发表时间:
1985-01-01
影响因子:
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通讯作者:
CLAYTON, DA