DNA repair (GO:0006281)

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.

Specific

base-excision repair (GO:0006284) DNA replication proofreading (GO:0045004) double-strand break repair (GO:0006302) interstrand cross-link repair (GO:0036297) mismatch repair (GO:0006298) mitochondrial DNA repair (GO:0043504) non-photoreactive DNA repair (GO:0010213) non-recombinational repair (GO:0000726) nucleotide-excision repair (GO:0006289) postreplication repair (GO:0006301) pyrimidine dimer repair (GO:0006290) recombinational repair (GO:0000725) single strand break repair (GO:0000012) UV-damage excision repair (GO:0070914) viral DNA repair (GO:0046787)

General

single-organism cellular process (GO:0044763) single-organism metabolic process (GO:0044710) cellular response to DNA damage stimulus (GO:0006974) DNA metabolic process (GO:0006259)

References

gene ontology: GO:0006281 PMID: 11563486