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At least four different classes of cell cycle regulated gene exist in yeast: G1 cyclins and DNA synthesis genes are expressed in late G1; histone genes in S phase; genes for transcription factors, cell cycle regulators and replication initiation proteins in G2; and genes needed for cell separation as cells enter G1. Early and late G1-specific transcription is mediated by the Swi5/Ace2 and Swi4/Swi6 classes of factor, respectively. Changes in cyclin/Cdc28 kinases may be involved in all classes of regulation. Transcriptional control of cyclin genes has an important role in regulating cell cycle progression.


Journal article


Curr Opin Cell Biol

Publication Date





451 - 459


Animals, Cell Cycle, DNA, Fungal, Gene Expression Regulation, Fungal, Saccharomyces cerevisiae, Transcription, Genetic