FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term regulation of heterochromatin formation ID (Ontology) GO:0031445 (Gene Ontology)
Definition Any process that modulates the frequency, rate, extent or location of heterochromatin formation.
Also Known As "regulation of heterochromatin assembly"
Comment
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Annotations
Records annotated with this term OR any of its CHILD TERMS
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Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Genes (FBgn)  GO_BIOLOGICAL_PROCESS       1
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 Full annotation statements 
Relevant FlyBase reports
 Genes
 regulation of heterochromatin formation (all annotations which use CV term, excluding "NOT" statements)       1
     involved_in | regulation of heterochromatin formation       1
Spanning Tree (Parents/Children)
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gene expression
 |__regulation of gene expression___________________
regulation of macromolecule biosynthetic process    |
 |__regulation of gene expression___________________|
cellular component assembly                         |
 |__heterochromatin formation_______________________|
negative regulation of gene expression, epigenetic  |
 |__heterochromatin formation_______________________|
heterochromatin organization                        |
 |__heterochromatin formation_______________________|
 |__regulation of heterochromatin organization______|
regulation of chromatin organization                |
 |__regulation of heterochromatin organization______|
                                                    regulation of heterochromatin formation  22 rec.
                                                     |__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
                                                     |__positive regulation of heterochromatin formation 11 rec.
                                                     |   |__positive regulation of pericentric heterochromatin formation 1 rec.
                                                     |   |__positive regulation of rDNA heterochromatin formation
                                                     |   |__positive regulation of silent mating-type cassette heterochromatin formation
                                                     |__regulation of pericentric heterochromatin formation 2 rec.
                                                     |   |__positive regulation of pericentric heterochromatin formation 1 rec.
                                                     |__regulation of rDNA heterochromatin formation
                                                     |   |__negative regulation of rDNA heterochromatin formation
                                                     |   |__positive regulation of rDNA heterochromatin formation
                                                     |__regulation of regulatory ncRNA-mediated heterochromatin formation 1 rec.
                                                     |   |__negative regulation of regulatory ncRNA-mediated heterochromatin formation 1 rec.
                                                     |   |__regulation of siRNA-mediated facultative heterochromatin formation
                                                     |__regulation of silent mating-type cassette heterochromatin formation
                                                     |   |__negative regulation of silent mating-type cassette heterochromatin formation
                                                     |   |__positive regulation of silent mating-type cassette heterochromatin formation
                                                     |__regulation of siRNA-independent facultative heterochromatin formation
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Is a regulation of gene expression
regulation of heterochromatin organization
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Synonyms
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