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Cell cycle of yeast deleted for yox1

ABSTRACT: Transcription profiles across the cell cycle of yox1 deleted yeast cells. BY2399 cells (yox1 delete cells isogenic with W303a) were arrested with alpha factor in YEPD media. After release from arrest cells were sampled every 5 min for 2 hr. Keywords: cell cycle time course

ORGANISM(S): Saccharomyces cerevisiae

PROVIDER: GSE5376 | GEO | 2007/09/30

SECONDARY ACCESSION(S): PRJNA96279

REPOSITORIES: GEO

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Cell cycle of yeast deleted for yox1

Project description:Transcription profiles across the cell cycle of yox1 deleted yeast cells. BY2399 cells (yox1 delete cells isogenic with W303a) were arrested with alpha factor in YEPD media. After release from arrest cells were sampled every 5 min for 2 hr. Keywords: cell cycle time course Cells were synchronized with alpha factor and sampled every 5 min across 2 cell cycles. A total of 25 samples were analyzed. Technical replicates were included. cDNA of the cell cycle samples were labelled with Cy5. For Cy3 labelling, asynchronous yeast population was used.

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Project description:Two homeodomain proteins, Yox1 and Yhp1, act as repressors at early cell cycle boxes (ECBs) to restrict their activity to the M/G1 phase of the cell cycle in budding yeast. These proteins bind to Mcm1 and to a typical homeodomain binding site. The expression of Yox1 is periodic and directly correlated with its binding to, and repression of, ECB activity. The absence of Yox1 and Yhp1 or the constitutive expression of Yox1 leads to the loss of cell-cycle regulation of ECB activity. Therefore, the cell-cycle-regulated expression of these repressors defines the interval of ECB-dependent transcription. Twenty-eight genes, including MCM2-7, CDC6, SWI4, CLN3, and a number of genes required during late M phase have been identified that are coordinately regulated by this pathway. Keywords: cell cycle time course

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Project description:Cell cycle of yeast deleted for yox1

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