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Term Information

Accession
GO:0031052
Name
chromosome breakage
Ontology
biological_process
Synonyms
establishment or maintenance of heterochromatin architecture
Alternate IDs
None
Definition
Regulated cleavage of the developing macronuclear genome at a limited number of chromosome breakage sites (CBS). The macronuclear destined segment (MDS) sequence adjacent to the CBS (or separated from it by a BES) receives a macronuclear telomere following chromosome breakage. Source: GOC:ns
Comment
Note that this term refers to breakage of chromosomes during normal DNA rearrangements characteristic of ciliates; it is not to be used for DNA damage or other abnormal occurrences.
History
See term history for GO:0031052 at QuickGO
Subset
None
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Graph of GO:0031052

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Parents of chromosome breakage (GO:0031052)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
chromosome breakage [BFO:0000050 relation] BFO:0000050  programmed DNA elimination (GO:0031049)
chromosome breakage [is_a relation] is_a  chromosome organization (GO:0051276)

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None.