Coordinating gene expression during the cell cycle

Trends Biochem Sci. 2022 Dec;47(12):1009-1022. doi: 10.1016/j.tibs.2022.06.007. Epub 2022 Jul 11.

Abstract

Cell cycle-dependent gene transcription is tightly controlled by the retinoblastoma (RB):E2F and DREAM complexes, which repress all cell cycle genes during quiescence. Cyclin-dependent kinase (CDK) phosphorylation of RB and DREAM allows for the expression of two gene sets. The first set of genes, with peak expression in G1/S, is activated by E2F transcription factors (TFs) and is required for DNA synthesis. The second set, with maximum expression during G2/M, is required for mitosis and is coordinated by the MuvB complex, together with B-MYB and Forkhead box M1 (FOXM1). In this review, we summarize the key findings that established the distinct control mechanisms regulating G1/S and G2/M gene expression in mammals and discuss recent advances in the understanding of the temporal control of these genes.

Keywords: B-MYB; DREAM complex; FOXM1; MuvB complex; RB:E2F complex; transcription factors.

Publication types

  • Review
  • Research Support, N.I.H., Extramural
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Animals
  • Cell Cycle / genetics
  • Cell Cycle Proteins* / metabolism
  • Cyclin-Dependent Kinases / genetics
  • Gene Expression
  • Mammals
  • Mitosis
  • Repressor Proteins* / genetics

Substances

  • Repressor Proteins
  • Cell Cycle Proteins
  • Cyclin-Dependent Kinases