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Regulation of the mitochondrial genetic expression. Shigeo OHTA 1 1Department of Biochemistry, Jichi Medical School pp.986-992
Published Date 1992/12/10
DOI https://doi.org/10.11477/mf.1431900296
  • Abstract
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Mitochondrion has its own genetic system but all the proteineous components are encoded by nuclear genes. Therefore, the mitochondrial genetic expression is regulated by the nucleocytoplasmic systems as well as the mitochondrial one. In addition, the mitochondrial genetic mechanisms are quite specific in some points as compared with the nuclear genetic one. First of all, mitochondrial DNA (mtDNA) is maternally inherited. Point mutations responsible to MELAS or MERRF were inherited from mother to children. In the most cases, the ratio of the mutant mtDNA/wild type of the children was more than those of the mothers.


Copyright © 1992, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1243 印刷版ISSN 0001-8724 医学書院

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