extrachromosomal rDNA circle accumulation involved in replicative cell aging

id: GO:0001310
name: extrachromosomal rDNA circle accumulation involved in replicative cell aging
namespace: biological_process
type: go
obsolete: False

Description: Increase in abundance of circular DNA molecules containing ribosomal DNA repeats in dividing cells as they age. These molecules originate in the chromosome but are excised and circularized, often by intramolecular homologous recombination between direct tandem repeats, and then replicated independently of chromosomal replication.

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