G1 Phase

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.

Year introduced: 1991

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Tree Number(s): G04.144.500.320

MeSH Unique ID: D016193

Entry Terms:

• G1 Phases
• Phase, G1
• Phases, G1
• Gap Phase 1
• Phase 1, Gap
• First Gap Phase
• First Gap Phases
• Gap Phase, First
• Gap Phases, First
• Phase, First Gap
• Phases, First Gap
• G1a Phase
• G1a Phases
• Phase, G1a
• Phases, G1a
• G1b Phase
• G1b Phases
• Phase, G1b
• Phases, G1b

Previous Indexing:

• Cell Division (1966-1977)
• Interphase (1978-1990)

All MeSH Categories
Phenomena and Processes Category
Cell Physiological Phenomena
Cell Cycle
Interphase
G1 Phase
G1 Phase Cell Cycle Checkpoints