FB2026_03 , released September 17, 2026

CV Term Report

Help Close All Open All

General Information

Term

heterochromatin organization

ID (Ontology)

GO:0070828 (Gene Ontology)

Definition

Any process that results in the specification, formation or maintenance of the physical structure of eukaryotic heterochromatin, a compact and highly condensed form of chromatin.

Also Known As

"heterochromatin organisation"

Comment

Links to External Ontologies

QuickGO data AmiGO data

Annotations

Records annotated with this term OR any of its CHILD TERMS

Choose a record type to view annotations for this term and its child terms. Direct annotations and full annotation statements below also provide HitList buttons.

Results list data from multiple species. Choose a record type above to open its HitList.

Direct annotations: records annotated with this exact term (child terms are NOT included)

Data Class	Field	Direct annotations
Genes (FBgn)	GO_BIOLOGICAL_PROCESS

Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records

Full annotation statements	Relevant FlyBase reports
Full annotation statements	Genes
heterochromatin organization (all annotations which use CV term, excluding "NOT" statements)
involved_in \| heterochromatin organization

Spanning Tree (Parents/Children)

  cellular component organization
   |__chromatin organization
       |__heterochromatin organization  194 rec.
           |__heterochromatin boundary formation 11 rec.
           |__heterochromatin formation 190 rec.
           |   |__constitutive heterochromatin formation(+) 46 rec.
           |   |__dosage compensation by inactivation of X chromosome(+)
           |   |__facultative heterochromatin formation(+) 8 rec.
           |   |__heterochromatin boundary formation 11 rec.
           |   |__regulation of heterochromatin formation(+) 23 rec.
           |   |__regulatory ncRNA-mediated heterochromatin formation(+) 35 rec.
           |__regulation of heterochromatin organization 23 rec.
               |__negative regulation of heterochromatin organization(+) 10 rec.
               |__positive regulation of heterochromatin organization(+) 11 rec.
               |__regulation of heterochromatin formation(+) 23 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	chromatin organization
Part of
Synonyms & Secondary IDs
Synonyms
	"heterochromatin organisation" EXACT
Secondary IDs

External Crossreferences & Linkouts