FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term filamentous actin ID (Ontology) GO:0031941 (Gene Ontology)
Definition A two-stranded helical polymer of the protein actin.
Also Known As "F-actin"
Comment
Links to External Ontologies
  QuickGO data     AmiGO data
Annotations
Records annotated with this term OR any of its CHILD TERMS
    Results list data from multiple species. Click on a button above and use the 'Filter by species' options on the resulting HitList to retrieve species-specific data.
Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Alleles (FBal)  PHENOTYPE_MANIFEST_IN      68
Genes (FBgn)  GO_CELLULAR_COMPONENT       5
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN      42
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 Constructs
 filamentous actin (all annotations which use CV term, excluding "NOT" statements)      68      5     42
     filamentous actin | adult stage      34       --      33
     filamentous actin | adult stage | conditional       3       --       2
     filamentous actin | adult stage | female       3       --       2
     filamentous actin | adult stage | female | germline clone       1       --       --
     filamentous actin | adult stage | female | somatic clone       1       --       --
     filamentous actin | dorsal closure stage       6       --       1
     filamentous actin | ectopic       2       --       1
     filamentous actin | ectopic | oogenesis       3       --       4
     filamentous actin | embryonic stage      18       --       9
     filamentous actin | embryonic stage 5       5       --       3
     filamentous actin | embryonic stage | maternal effect       1       --       --
     filamentous actin | female      10       --       7
     filamentous actin | germline clone       1       --       --
     filamentous actin | germline clone | oogenesis       1       --       --
     filamentous actin | larval stage      30       --      25
     filamentous actin | larval stage | somatic clone       2       --       2
     filamentous actin | male       1       --       --
     filamentous actin | oogenesis      24       --      15
     filamentous actin | oogenesis stage S10       2       --       2
     filamentous actin | oogenesis stage S10B       5       --       6
     filamentous actin | oogenesis stage S9       7       --       4
     filamentous actin | P-stage       6       --       3
     filamentous actin | P-stage | somatic clone       1       --       --
     filamentous actin | P-stage | somatic clone - tissue specific       1       --       --
     filamentous actin | pupal stage       1       --       1
     filamentous actin | somatic clone      10       --       4
     filamentous actin | spermatogenesis       2       --       2
     filamentous actin | third instar larval stage      11       --       7
     part_of | filamentous actin       --       5       --
Spanning Tree (Parents/Children)
Only view relationship:
cellular_component
 |__protein-containing complex__
actin cytoskeleton              |
 |__actin filament______________|
polymeric cytoskeletal fiber    |
 |__actin filament______________|
                                filamentous actin  115 rec.
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Is a protein-containing complex
Part of actin filament
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Synonyms
  • "F-actin" EXACT
Secondary IDs
hide External Crossreferences & Linkouts
Wikipedia:Actin