FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

mitochondrial tRNA modification

ID (Ontology)

GO:0070900 (Gene Ontology)

Definition

The covalent alteration of one or more nucleotides within a mitochondrial tRNA molecule to produce a mitochondrial tRNA molecule with a sequence that differs from that coded genetically.

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
mitochondrial tRNA modification (all annotations which use CV term, excluding "NOT" statements)
involved_in \| mitochondrial tRNA modification

Spanning Tree (Parents/Children)

mitochondrial RNA metabolic process
 |__mitochondrial tRNA processing___
 |__mitochondrial RNA modification__|
mitochondrial RNA processing        |
 |__mitochondrial tRNA processing___|
tRNA processing                     |
 |__tRNA modification_______________|
 |__mitochondrial tRNA processing___|
RNA modification                    |
 |__tRNA modification_______________|
 |__mitochondrial RNA modification__|
                                    mitochondrial tRNA modification  12 rec.
                                     |__mitochondrial tRNA methylation 2 rec.
                                     |__mitochondrial tRNA pseudouridine synthesis 2 rec.
                                     |__mitochondrial tRNA thio-modification 2 rec.
                                     |   |__mitochondrial tRNA wobble position uridine thiolation 1 rec.
                                     |__mitochondrial tRNA threonylcarbamoyladenosine modification 1 rec.
                                     |__mitochondrial tRNA wobble uridine modification 4 rec.
                                         |__mitochondrial tRNA wobble position uridine thiolation 1 rec.

Spanning Tree View Settings
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Relationships
Is a	tRNA modification mitochondrial tRNA processing mitochondrial RNA modification
Part of
Synonyms & Secondary IDs
Synonyms

Secondary IDs

External Crossreferences & Linkouts
	Reactome:R-HSA-6787450 "tRNA modification in the mitochondrion"