FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

negative regulation of mitochondrial fusion

ID (Ontology)

GO:0010637 (Gene Ontology)

Definition

Any process that decreases the frequency, rate or extent of merging of two or more mitochondria within a cell to form a single compartment.

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

Spanning Tree (Parents/Children)

mitochondrial fusion
 |__regulation of mitochondrial fusion__________________
regulation of mitochondrion organization                |
 |__regulation of mitochondrial fusion__________________|
regulation of anatomical structure morphogenesis        |
 |__regulation of mitochondrial fusion__________________|
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 fusion  4 rec.

Spanning Tree View Settings
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Relationships
Is a	regulation of mitochondrial fusion negative regulation of organelle organization negative regulation of developmental process
Part of
Synonyms & Secondary IDs
Synonyms

Secondary IDs

External Crossreferences & Linkouts