FB2026_02 , released June 18, 2026
FB2026_02 , released June 18, 2026
CV Term Report
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General Information
Term rDNA heterochromatin formation ID (Ontology) GO:0000183 (Gene Ontology)
Definition The formation of heterochromatin at ribosomal DNA, characterized by the modified histone H3K9me3.[ PubMed:10219245 ]
Also Known As "rDNA heterochromatin assembly"
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Data ClassFieldDirect annotations
Genes (FBgn)GO_BIOLOGICAL_PROCESS
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 Genes
 rDNA heterochromatin formation (all annotations which use CV term, excluding "NOT" statements)
     involved_in | rDNA heterochromatin formation
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chromatin organization
 |__nucleolar chromatin organization_______
nucleolus organization                     |
 |__nucleolar chromatin organization_______|
heterochromatin formation                  |
 |__facultative heterochromatin formation__|
                                           rDNA heterochromatin formation  2 rec.
                                            |__regulation of rDNA heterochromatin formation
                                                |__negative regulation of rDNA heterochromatin formation
                                                |__positive regulation of rDNA heterochromatin formation
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Is a facultative heterochromatin formation
Part of nucleolar chromatin organization
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Synonyms
  • "chromatin silencing at rDNA" RELATED
    "chromatin silencing at ribosomal DNA" BROAD
    "heterochromatic silencing at rDNA" BROAD
    "rDNA chromatin silencing" BROAD
    "rDNA heterochromatin assembly" EXACT
Secondary IDs
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Reactome:R-HSA-427359 "SIRT1 negatively regulates rRNA expression"
Reactome:R-HSA-427413 "NoRC negatively regulates rRNA expression"