FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term transposable element silencing by piRNA-mediated heterochromatin formation ID (Ontology) GO:0141006 (Gene Ontology)
Definition A transposable element silencing mechanism in which a Piwi-associated RNA (piRNA) triggers heterochromatin assembly. Heterochromatin is a chromatin conformation that is refractory to transcription.[ PubMed:32381626 PubMed:32674113 ]
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Data Class Field Records
Genes (FBgn)  GO_BIOLOGICAL_PROCESS      19
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 Full annotation statements 
Relevant FlyBase reports
 Gene Groups Genes
 transposable element silencing by piRNA-mediated heterochromatin formation (all annotations which use CV term, excluding "NOT" statements)       1     19
     involved_in | transposable element silencing by piRNA-mediated heterochromatin formation       --      19
Spanning Tree (Parents/Children)
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transposable element silencing
 |__transposable element silencing by heterochromatin formation__
regulatory ncRNA-mediated heterochromatin formation              |
 |__piRNA-mediated heterochromatin formation_____________________|
constitutive heterochromatin formation                           |
 |__transposable element silencing by heterochromatin formation__|
                                                                 transposable element silencing by piRNA-mediated heterochromatin formation  20 rec.
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Is a piRNA-mediated heterochromatin formation
transposable element silencing by heterochromatin formation
Part of
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Synonyms
  • "piRNA-mediated retrotransposon silencing by heterochromatin formation" NARROW
Secondary IDs
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Reactome:R-HSA-9845323 "Regulation of endogenous retroelements by Piwi-interacting RNAs (piRNAs)"