FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term spectrosome ID (Ontology) GO:0045170 (Gene Ontology)
Definition A germline specific spherical organelle, rich in membrane skeletal proteins. Precursor to the fusome.
Comment
Links to External Ontologies
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Annotations
Records annotated with this term OR any of its CHILD TERMS
Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Alleles (FBal)  PHENOTYPE_MANIFEST_IN      45
Genes (FBgn)  GO_CELLULAR_COMPONENT       9
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION       4
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN      17
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
Relevant FlyBase reports
 Alleles Genes Insertions Constructs
 spectrosome (all annotations which use CV term, excluding "NOT" statements)      45     11      4     17
     located_in | spectrosome       --       8       --       --
     spectrosome | adult stage       2       --       --       --
     spectrosome | cell non-autonomous | somatic clone       1       --       --       --
     spectrosome | decreased number       3       --       --       3
     spectrosome | ectopic       4       --       --       2
     spectrosome | germline clone       1       --       --       --
     spectrosome | germline clone | increased number       1       --       --       --
     spectrosome | increased number       8       --       --       6
     spectrosome | increased number | oogenesis       2       --       --       1
     spectrosome | oogenesis       4       --       --       5
     spectrosome | spermatogenesis       2       --       --       --
Spanning Tree (Parents/Children)
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membraneless organelle___
intracellular organelle__|
                         intracellular membraneless organelle
                          |__spectrosome  77 rec.
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Is a intracellular membraneless organelle
Part of cytoplasm
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