FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term omegasome ID (Ontology) GO:1990462 (Gene Ontology)
Definition Omega-shaped (as in the Greek capital letter) intracellular membrane-bounded organelle enriched in phosphatidylinositol 3-phosphate and dynamically connected to the endoplasmic reticulum. Omegasomes are the first step of the formation of autophagosomes via the phagophore assembly sites.[ PubMed:18725538 PubMed:24591649 ]
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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_CELLULAR_COMPONENT       2
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Relevant FlyBase reports
 Alleles Genes Constructs
 omegasome (all annotations which use CV term, excluding "NOT" statements)       --       2       --
     located_in | omegasome       --       2       --
     omegasome | adult stage | decreased number       3       --       3
     omegasome | adult stage | increased number       2       --       2
     omegasome | early third instar larval stage       2       --       2
Spanning Tree (Parents/Children)
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membrane-bounded organelle
 |__intracellular membrane-bounded organelle__
intracellular organelle                       |
 |__intracellular membrane-bounded organelle__|
cellular anatomical structure                 |
 |__endomembrane system_______________________|
                                              omegasome  3 rec.
                                               |__omegasome membrane 1 rec.
                                                   |__extrinsic component of omegasome membrane 1 rec.
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Is a intracellular membrane-bounded organelle
Part of endomembrane system
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