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Term Information

Accession
GO:0140718
Name
facultative heterochromatin formation
Ontology
biological_process
Synonyms
fHC assembly, facultative heterochromatin assembly
Alternate IDs
None
Definition
The compaction of chromatin into a conformation that is refactory to transcription but that be converted to euchromatin and allow transcription in specific contexts. These can be temporal (e.g., developmental states or specific cell-cycle stages), spatial (e.g., nuclear localization changes from the center to the periphery or vice versa due to exogenous factors/signals), or parental/heritable (e.g., monoallelic gene expression). Source: PMID:17936700
Comment
Note that facultative heterochromatin can be reprogrammed, as opposed to constitutive heterochromatin which usually cannot be reprogrammed to a transcriptionally-competent state.
History
See term history for GO:0140718 at QuickGO
Subset
None
Feedback
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Graph of GO:0140718

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Parents of facultative heterochromatin formation (GO:0140718)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
facultative heterochromatin formation [is_a relation] is_a  heterochromatin formation (GO:0031507)
Children of facultative heterochromatin formation (GO:0140718)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
siRNA-independent facultative heterochromatin formation (GO:1902794) [is_a relation] is_a  facultative heterochromatin formation
rDNA heterochromatin formation (GO:0000183) [is_a relation] is_a  facultative heterochromatin formation
DNA methylation-dependent heterochromatin formation (GO:0006346) [is_a relation] is_a  facultative heterochromatin formation
siRNA-mediated facultative heterochromatin formation (GO:1902795) [is_a relation] is_a  facultative heterochromatin formation
None.