FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term spindle assembly ID (Ontology) GO:0051225 (Gene Ontology)
Definition The aggregation, arrangement and bonding together of a set of components to form the spindle, the array of microtubules and associated molecules that serves to move duplicated chromosomes apart.
Also Known As "bipolar spindle biosynthesis" ; "bipolar spindle formation" ; "spindle biosynthesis" (for all, see Synonyms field below)
Comment
Links to External Ontologies
  QuickGO data     AmiGO data
Annotations
Records annotated with this term OR any of its CHILD TERMS
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Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Genes (FBgn)  GO_BIOLOGICAL_PROCESS      38
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
Relevant FlyBase reports
 Genes
 spindle assembly (all annotations which use CV term, excluding "NOT" statements)      38
     involved_in | spindle assembly      38
Spanning Tree (Parents/Children)
Only view relationship: 
microtubule cytoskeleton organization
 |__spindle organization_____________
cell cycle process                   |
 |__spindle organization_____________|
 |__chromosome segregation___________|
organelle assembly                   |
 |__membraneless organelle assembly__|
                                     spindle assembly  80 rec.
                                      |__anastral spindle assembly
                                      |   |__anastral spindle assembly involved in male meiosis
                                      |__meiotic spindle assembly 20 rec.
                                      |   |__meiotic spindle formation (spindle phase two)
                                      |   |__spindle assembly involved in female meiosis(+) 15 rec.
                                      |   |__spindle assembly involved in male meiosis(+) 4 rec.
                                      |__mitotic spindle assembly 36 rec.
                                      |   |__microtubule anchoring at mitotic spindle pole body
                                      |   |__mitotic spindle formation (spindle phase one)(+)
                                      |   |__mitotic spindle formation (spindle phase two)
                                      |   |__mitotic spindle midzone assembly(+) 6 rec.
                                      |   |__regulation of mitotic spindle assembly(+) 9 rec.
                                      |__regulation of spindle assembly 9 rec.
                                      |   |__negative regulation of spindle assembly(+)
                                      |   |__positive regulation of spindle assembly(+)
                                      |   |__regulation of mitotic spindle assembly(+) 9 rec.
                                      |__spindle midzone assembly 9 rec.
                                          |__meiotic spindle midzone assembly 3 rec.
                                          |__mitotic spindle midzone assembly(+) 6 rec.
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Is a spindle organization
membraneless organelle assembly
Part of chromosome segregation
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Synonyms
  • "bipolar spindle biosynthesis" EXACT
    "bipolar spindle formation" EXACT
    "spindle biosynthesis" EXACT
    "spindle formation" EXACT
Secondary IDs
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