extrachromosomal rDNA circle

id: GO:0005728
name: extrachromosomal rDNA circle
namespace: cellular_component
type: go
obsolete: False

Description: Circular DNA molecules encoding ribosomal RNA that are replicated independently of chromosomal replication. These molecules originate in the chromosome but are excised and circularized, often by intramolecular homologous recombination between direct tandem repeats.

Parent Functions