FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term S phase ID (Ontology) GO:0051320 (Gene Ontology)
Definition The cell cycle phase, following G1, during which DNA synthesis takes place.
Also Known As "S-phase"
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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Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Alleles (FBal)  PHENOTYPE_MANIFEST_IN       8
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN       5
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
Relevant FlyBase reports
 Alleles Constructs
 S phase (all annotations which use CV term, excluding "NOT" statements)       8      5
     S phase | ectopic      13      8
     S phase | ectopic | somatic clone       2      2
     S phase | embryonic cycle 16       1       --
Spanning Tree (Parents/Children)
Only view relationship: 
cell cycle phase
 |__interphase________
biological phase      |
 |__cell cycle phase__|
                      S phase  13 rec.
                       |__meiotic S phase
                       |__mitotic S phase
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Is a cell cycle phase
Part of interphase
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Synonyms
  • "S-phase" EXACT
Secondary IDs
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Wikipedia:S_phase