FB2026_03 , released September 17, 2026
CV Term Report
Help Close All Open All
General Information
Term negative regulation of heterochromatin formation ID (Ontology) GO:0031452 (Gene Ontology)
Definition Any process that stops, prevents, or reduces the frequency, rate or extent of heterochromatin formation.[ PubMed:16855380 ]
Also Known As"chromatin decompaction" ; "chromatin decondensation" ; "down regulation of heterochromatin formation" (for all, see Synonyms field below)
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 ClassFieldDirect annotations
Genes (FBgn)GO_BIOLOGICAL_PROCESS
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
Relevant FlyBase reports
 Genes
 negative regulation of heterochromatin formation (all annotations which use CV term, excluding "NOT" statements)
     acts_upstream_of | negative regulation of heterochromatin formation
     involved_in | negative regulation of heterochromatin formation
Spanning Tree (Parents/Children)
Only view relationship:
Vocabulary search 
regulation of gene expression
 |__positive regulation of gene expression_________________
 |__regulation of heterochromatin formation________________|
positive regulation of macromolecule biosynthetic process  |
 |__positive regulation of gene expression_________________|
heterochromatin formation                                  |
 |__regulation of heterochromatin formation________________|
regulation of heterochromatin organization                 |
 |__regulation of heterochromatin formation________________|
 |__negative regulation of heterochromatin organization____|
negative regulation of chromatin organization              |
 |__negative regulation of heterochromatin organization____|
                                                           negative regulation of heterochromatin formation  10 rec.
                                                            |__negative regulation of DNA methylation-dependent heterochromatin formation
                                                            |__negative regulation of rDNA heterochromatin formation
                                                            |__negative regulation of regulatory ncRNA-mediated heterochromatin formation 1 rec.
                                                            |__negative regulation of silent mating-type cassette heterochromatin formation
Spanning Tree View Settings
Parents/Children
View Depth
Show hierarchy levels: for parents, for children
hide Relationships
Is a positive regulation of gene expression
regulation of heterochromatin formation
negative regulation of heterochromatin organization
Part of
hide Synonyms & Secondary IDs
Synonyms
  • "chromatin decompaction" EXACT
    "chromatin decondensation" EXACT[ PubMed:16855380 ]
    "down regulation of heterochromatin formation" EXACT
    "down-regulation of heterochromatin formation" EXACT
    "downregulation of heterochromatin formation" EXACT
    "inhibition of heterochromatin formation" NARROW
    "negative regulation of heterochromatin assembly" EXACT
Secondary IDs
hide External Crossreferences & Linkouts