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Omberg L, et al.  (2009) Global effects of DNA replication and DNA replication origin activity on eukaryotic gene expression. Mol Syst Biol 5():312

Abstract: This report provides a global view of how gene expression is affected by DNA replication. We analyzed synchronized cultures of Saccharomyces cerevisiae under conditions that prevent DNA replication initiation without delaying cell cycle progression. We use a higher-order singular value decomposition to integrate the global mRNA expression measured in the multiple time courses, detect and remove experimental artifacts and identify significant combinations of patterns of expression variation across the genes, time points and conditions. We find that, first, approximately 88% of the global mRNA expression is independent of DNA replication. Second, the requirement of DNA replication for efficient histone gene expression is independent of conditions that elicit DNA damage checkpoint responses. Third, origin licensing decreases the expression of genes with origins near their 3' ends, revealing that downstream origins can regulate the expression of upstream genes. This confirms previous predictions from mathematical modeling of a global causal coordination between DNA replication origin activity and mRNA expression, and shows that mathematical modeling of DNA microarray data can be used to correctly predict previously unknown biological modes of regulation.

Status: Published Type: Journal Article | Research Support, N.I.H., Extramural | Research Support, Non-U.S. Gov't | Research Support, U.S. Gov't, Non-P.H.S. PubMed ID: 19888207

Topics addressed in this paper

Number of different genes curated to this paper: 27

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Topics Topics not linked to Genes Genes linked to topics (#1 - 10 )
ADE4 ALG14 CDC45 CDC6 EMP46 FMP43 HHF1 HHF2 HHO1 HHT1
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Genomic expression study yg ball
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Topics Genes linked to topics (#11 - 20 )
HHT2 HTA1 HTA2 HTB1 HTB2 MET10 NET1 PAU8 PHO89 SAP4
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Regulation of blue ball blue ball blue ball blue ball blue ball blue ball blue ball blue ball blue ball blue ball
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Topics Genes linked to topics (#21 - 27 )
SLX1 SMC6 SPF1 VPS8 YCL049C YIL108W YML119W
Additional Literature blue ball blue ball blue ball blue ball blue ball blue ball blue ball
Regulation of blue ball blue ball blue ball blue ball blue ball blue ball blue ball
Transcription blue ball blue ball blue ball blue ball blue ball blue ball blue ball

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