FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term pyrimidine nucleoside catabolic process ID (Ontology) GO:0046135 (Gene Ontology)
Definition The chemical reactions and pathways resulting in the breakdown of one of a family of organic molecules consisting of a pyrimidine base covalently bonded to a sugar ribose (a ribonucleoside) or deoxyribose (a deoxyribonucleoside).
Also Known As "pyrimidine nucleoside breakdown" ; "pyrimidine nucleoside catabolism" ; "pyrimidine nucleoside degradation"
Comment
Links to External Ontologies
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Annotations
Records annotated with this term OR any of its CHILD TERMS
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Data Class Field Records
Genes (FBgn)  GO_BIOLOGICAL_PROCESS       3
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 Full annotation statements 
Relevant FlyBase reports
 Genes
 pyrimidine nucleoside catabolic process (all annotations which use CV term, excluding "NOT" statements)       3
     involved_in | pyrimidine nucleoside catabolic process       3
Spanning Tree (Parents/Children)
Only view relationship: 
catabolic process
 |__pyrimidine-containing compound catabolic process____
nucleoside metabolic process                            |
 |__pyrimidine nucleoside metabolic process_____________|
 |__nucleoside catabolic process________________________|
nucleobase-containing small molecule catabolic process  |
 |__nucleoside catabolic process________________________|
pyrimidine-containing compound metabolic process        |
 |__pyrimidine nucleoside metabolic process_____________|
 |__pyrimidine-containing compound catabolic process____|
glycosyl compound catabolic process                     |
 |__nucleoside catabolic process________________________|
                                                        pyrimidine nucleoside catabolic process  6 rec.
                                                         |__blasticidin S catabolic process
                                                         |__pyrimidine deoxyribonucleoside catabolic process
                                                         |   |__deoxycytidine catabolic process
                                                         |   |__deoxyuridine catabolic process
                                                         |   |__thymidine catabolic process
                                                         |__pyrimidine ribonucleoside catabolic process 3 rec.
                                                             |__cytidine catabolic process
                                                             |__uridine catabolic process 3 rec.
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Is a pyrimidine nucleoside metabolic process
nucleoside catabolic process
pyrimidine-containing compound catabolic process
Part of
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Synonyms
  • "pyrimidine nucleoside breakdown" EXACT
    "pyrimidine nucleoside catabolism" EXACT
    "pyrimidine nucleoside degradation" EXACT
Secondary IDs
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Reactome:R-HSA-73621 "Pyrimidine catabolism"