FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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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)
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Annotations
Records annotated with this term OR any of its CHILD TERMS
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Data Class Field Records
Genes (FBgn)  GO_BIOLOGICAL_PROCESS       8
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)       8
     acts_upstream_of | negative regulation of heterochromatin formation       1
     involved_in | negative regulation of heterochromatin formation       7
Spanning Tree (Parents/Children)
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regulation of gene expression
 |__positive regulation of gene expression_________________
 |__regulation of heterochromatin formation________________|
positive regulation of macromolecule biosynthetic process  |
 |__positive regulation of gene expression_________________|
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  9 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
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Is a positive regulation of gene expression
regulation of heterochromatin formation
negative regulation of heterochromatin organization
Part of
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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
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