期刊
BIOCHIMICA ET BIOPHYSICA ACTA-BIOENERGETICS
卷 1797, 期 8, 页码 1378-1388出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.bbabio.2010.04.015
关键词
mtDNA; DNA replication; Mitochondria; POLRMT; Twinkle; Mitochondrial disease
资金
- Swedish Research Council
Mitochondria are organelles whose main function is to generate power by oxidative phosphorylation. Some of the essential genes required for this energy production are encoded by the mitochondrial genome, a small circular double stranded DNA molecule. Human mtDNA is replicated by a specialized machinery distinct from the nuclear replisome. Defects in the mitochondrial replication machinery can lead to loss of genetic information by deletion and/or depletion of the mtDNA, which subsequently may cause disturbed oxidative phosphorylation and neuromuscular symptoms in patients. We discuss here the different components of the mitochondrial replication machinery and their role in disease. We also review the mode of mammalian mtDNA replication. (C) 2010 Elsevier B.V. All rights reserved.
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