FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

negative regulation of mitochondrial fission

ID (Ontology)

GO:0090258 (Gene Ontology)

Definition

Any process that decreases the rate, frequency or extent of mitochondrial fission. Mitochondrial fission is the division of a mitochondrion within a cell to form two or more separate mitochondrial compartments.

Also Known As

"negative regulation of mitochondrial division"

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
negative regulation of mitochondrial fission (all annotations which use CV term, excluding "NOT" statements)
involved_in \| negative regulation of mitochondrial fission

Spanning Tree (Parents/Children)

mitochondrial fission
 |__regulation of mitochondrial fission_________________
regulation of mitochondrion organization                |
 |__regulation of mitochondrial fission_________________|
regulation of anatomical structure morphogenesis        |
 |__regulation of mitochondrial fission_________________|
regulation of organelle organization                    |
 |__negative regulation of organelle organization_______|
negative regulation of biological process               |
 |__negative regulation of developmental process________|
regulation of developmental process                     |
 |__negative regulation of developmental process________|
negative regulation of cellular component organization  |
 |__negative regulation of organelle organization_______|
                                                        negative regulation of mitochondrial fission  2 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	negative regulation of organelle organization negative regulation of developmental process regulation of mitochondrial fission
Part of
Synonyms & Secondary IDs
Synonyms
	"negative regulation of mitochondrial division" EXACT
Secondary IDs

External Crossreferences & Linkouts