FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

negative regulation of G1/S transition of mitotic cell cycle

ID (Ontology)

GO:2000134 (Gene Ontology)

Definition

Any signaling pathway that decreases or inhibits the activity of a cell cycle cyclin-dependent protein kinase to modulate the switch from G1 phase to S phase of the mitotic cell cycle.

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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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 G1/S transition of mitotic cell cycle (all annotations which use CV term, excluding "NOT" statements)
involved_in \| negative regulation of G1/S transition of mitotic cell cycle

Spanning Tree (Parents/Children)

G1/S transition of mitotic cell cycle
 |__regulation of G1/S transition of mitotic cell cycle_________
negative regulation of mitotic cell cycle                       |
 |__negative regulation of mitotic cell cycle phase transition__|
negative regulation of cell cycle phase transition              |
 |__negative regulation of mitotic cell cycle phase transition__|
 |__negative regulation of cell cycle G1/S phase transition_____|
regulation of mitotic cell cycle phase transition               |
 |__negative regulation of mitotic cell cycle phase transition__|
 |__regulation of G1/S transition of mitotic cell cycle_________|
regulation of cell cycle G1/S phase transition                  |
 |__negative regulation of cell cycle G1/S phase transition_____|
 |__regulation of G1/S transition of mitotic cell cycle_________|
                                                                negative regulation of G1/S transition of mitotic cell cycle  15 rec.
                                                                 |__mitotic G1 cell size control checkpoint signaling
                                                                 |__mitotic G1/S transition checkpoint signaling 3 rec.
                                                                     |__mitotic G1 DNA damage checkpoint signaling 2 rec.

Spanning Tree View Settings
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Relationships
Is a	negative regulation of mitotic cell cycle phase transition negative regulation of cell cycle G1/S phase transition regulation of G1/S transition of mitotic cell cycle
Part of
Synonyms & Secondary IDs
Synonyms

Secondary IDs

External Crossreferences & Linkouts