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Lookup NU author(s): Frances Purtill, Dr Simon Whitehall, Professor Brian Morgan
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Checkpoints monitor the successful completion of cell cycle processes, such as DNA replication, and also regulate the expression of cell cycle-dependent genes that are required for responses. In the model yeast Schizosaccharomyces pombe G(1)/S phase-specific gene expression is regulated by the MBF (also known as DSC1) transcription factor complex and is also activated by the mammalian ATM/ATR-related Rad3 DNA replication checkpoint. Here, we show that the Yox1 homeodomain transcription factor acts to co-ordinate the expression of MBF-regulated genes during the cell division cycle. Moreover, our data suggests that Yox1 is inactivated by the Rad3 DNA replication checkpoint via phosphorylation by the conserved Cds1 checkpoint kinase. Collectively, our data has implications for understanding the mechanisms underlying the coordination of cell cycle processes in eukaryotes.
Author(s): Purtill FS, Whitehall SK, Williams ES, McInerny CJ, Sharrocks AD, Morgan BA
Publication type: Article
Publication status: Published
Journal: Cell Cycle
Year: 2011
Volume: 10
Issue: 4
Pages: 664-670
Print publication date: 15/02/2011
ISSN (print): 1538-4101
ISSN (electronic): 1551-4005
Publisher: Landes Bioscience
URL: http://dx.doi.org/10.4161/cc.10.4.14824
DOI: 10.4161/cc.10.4.14824
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