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Review
, 32 (6), 908-26

DNA Damage-Induced Gene Expression in Saccharomyces Cerevisiae

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Review

DNA Damage-Induced Gene Expression in Saccharomyces Cerevisiae

Yu Fu et al. FEMS Microbiol Rev.

Abstract

After exposure to DNA-damaging agents, both prokaryotic and eukaryotic cells activate stress responses that result in specific alterations in patterns of gene expression. Bacteria such as Escherichia coli possess both lesion-specific responses as well as an SOS response to general DNA damage, and the molecular mechanisms of these responses are well studied. Mechanisms of DNA damage response in lower eukaryotes such as Saccharomyces cerevisiae are apparently different from those in bacteria. It becomes clear that many DNA damage-inducible genes are coregulated by the cell-cycle checkpoint, a signal transduction cascade that coordinates replication, repair, transcription and cell-cycle progression. On the other hand, among several well-characterized yeast DNA damage-inducible genes, their effectors and mechanisms of transcriptional regulation are rather different. This review attempts to summarize the current state of knowledge on the molecular mechanisms of DNA damage-induced transcriptional regulation in this model lower eukaryotic microorganism.

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