Term Name:	formation of extrachromosomal circular DNA
Synonyms:	assembly of extrachromosomal circular DNA
Definition:	Excision from the chromosome and circularization of a region of chromosomal DNA, generally, but not always, via homologous recombination between direct tandem repeats.
Ontology:	GO: Biological Process [GO:0001325]    QuickGO    AmiGO