Cell cycle regulted transcription in yeast
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TL;DR
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.
Abstract
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.
