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The chemical reactions and pathways involving mitochondrial DNA. The process of restoring DNA after damage. Genomes are subject to damage by chemical and physical agents in the environment (e.g. UV and ionizing radiations, chemical mutagens, fungal and bacterial toxins, etc.) and by free radicals or alkylating agents endogenously generated in metabolism. DNA is also damaged because of errors during its replication. A variety of different DNA repair pathways have been reported that include direct reversal, base excision repair, nucleotide excision repair, photoreactivation, bypass, double-strand break repair pathway, and mismatch repair pathway. The process of restoring mitochondrial DNA after damage. Any cellular metabolic process involving deoxyribonucleic acid. This is one of the two main types of nucleic acid, consisting of a long, unbranched macromolecule formed from one, or more commonly, two, strands of linked deoxyribonucleotides. A change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a stimulus indicating damage to its DNA from environmental insults or errors during metabolism. The maintenance of the structure and integrity of the mitochondrial genome; includes replication and segregation of the mitochondrial chromosome.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: mitochondrial DNA repair
Acc: GO:0043504
Aspect: Biological Process
Desc: The process of restoring mitochondrial DNA after damage.
Proteins in PDR annotated with:
   This term: 6 [Search]
   Term or descendants: 6 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0043504 - mitochondrial DNA repair (interactive image map)
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