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G1 Phase MeSH Descriptor Data 2025


MeSH Heading
G1 Phase
Tree Number(s)
G04.144.500.320
Unique ID
D016193
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D016193
Scope Note
The period of the CELL CYCLE preceding DNA REPLICATION in S PHASE. Subphases of G1 include competence (to respond to growth factors), G1a (entry into G1), G1b (progression), and G1c (assembly). Progression through the G1 subphases is effected by limiting growth factors, nutrients, or inhibitors.
Entry Term(s)
First Gap Phase
G1a Phase
G1b Phase
Gap Phase 1
Previous Indexing
Cell Division (1966-1977)
Interphase (1978-1990)
Public MeSH Note
91
History Note
91
Date Established
1991/01/01
Date of Entry
1990/04/24
Revision Date
2016/06/30
G1 Phase Preferred
G1a Phase Narrower
G1b Phase Narrower
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