FB2026_02 , released June 18, 2026

CV Term Report

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General Information

Term

actomyosin contractile ring contraction

ID (Ontology)

GO:0000916 (Gene Ontology)

Definition

The process of an actomyosin ring getting smaller in diameter, in the context of cytokinesis that takes place as part of a cell cycle.

Also Known As

"actomyosin contractile ring constriction" ; "contractile ring contraction involved in cell cycle cytokinesis" ; "cytokinesis, actomyosin ring contraction"

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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Direct annotations: records annotated with this exact term (child terms are NOT included)

Data Class	Field	Direct annotations
Genes (FBgn)	GO_BIOLOGICAL_PROCESS

Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records

Full annotation statements	Relevant FlyBase reports
Full annotation statements	Genes
actomyosin contractile ring contraction (all annotations which use CV term, excluding "NOT" statements)
involved_in \| actomyosin contractile ring contraction

Spanning Tree (Parents/Children)

cell cycle process
 |__actomyosin contractile ring organization__
cortical actin cytoskeleton organization      |
 |__actomyosin contractile ring organization__|
actomyosin structure organization             |
 |__actomyosin contractile ring organization__|
cytokinetic process                           |
 |__contractile ring contraction______________|
cytoskeleton-dependent cytokinesis            |
 |__contractile ring contraction______________|
 |__actomyosin contractile ring organization__|
                                              actomyosin contractile ring contraction  15 rec.
                                               |__mitotic actomyosin contractile ring contraction
                                               |   |__regulation of mitotic actomyosin contractile ring contraction(+)
                                               |__regulation of actomyosin contractile ring contraction 3 rec.
                                                   |__regulation of mitotic actomyosin contractile ring contraction(+)

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	contractile ring contraction
Part of	actomyosin contractile ring organization
Synonyms & Secondary IDs
Synonyms
	"actomyosin contractile ring constriction" EXACT "contractile ring contraction involved in cell cycle cytokinesis" EXACT "cytokinesis, actomyosin ring contraction" EXACT "cytokinesis, contractile ring contraction" BROAD
Secondary IDs

External Crossreferences & Linkouts