Logic of the Yeast Metabolic Cycle: Temporal Compartmentalization of Cellular Processes

@article{Tu2005LogicOT,
  title={Logic of the Yeast Metabolic Cycle: Temporal Compartmentalization of Cellular Processes},
  author={Benjamin P. Tu and Andrzej S. Kudlicki and Maga Rowicka and Steven L. McKnight},
  journal={Science},
  year={2005},
  volume={310},
  pages={1152 - 1158}
}
Budding yeast grown under continuous, nutrient-limited conditions exhibit robust, highly periodic cycles in the form of respiratory bursts. Microarray studies reveal that over half of the yeast genome is expressed periodically during these metabolic cycles. Genes encoding proteins having a common function exhibit similar temporal expression patterns, and genes specifying functions associated with energy and metabolism tend to be expressed with exceptionally robust periodicity. Essential… 

The yeast metabolic cycle: insights into the life of a eukaryotic cell.

  • B. TuS. McKnight
  • Biology
    Cold Spring Harbor symposia on quantitative biology
  • 2007
The logic of the yeast metabolic cycle (YMC) is summarized and additional cellular processes that are predicted to be compartmentalized in time are highlighted, certain principles of temporal orchestration as seen during the YMC might be conserved across other biological cycles.

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Cyclic changes in metabolic state during the life of a yeast cell

The results reveal the logic of cellular metabolism during different phases of the life of a yeast cell and indicate that oscillation in the abundance of key metabolites might help control the temporal regulation of cellular processes and the establishment of a cycle.

Post-transcriptional Regulation Drives Temporal Compartmentalization of the Yeast Metabolic Cycle

It is shown that an integrated computational analysis of gene expression time series during the metabolic cycle and the mRNA binding specificity of PUF-family proteins allow for a clear demonstration of the very specific role exerted by selective post-transcriptional mRNA degradation in yeast metabolic cycle global regulation.

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  • B. Tu
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    Methods in enzymology
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Systems approaches for the study of metabolic cycles in yeast.

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Robust and pervasive metabolic cycles that were synchronized with the cell division cycle (CDC) and oscillated across four different nutrient conditions are uncovered and the response of these metabolic cycles to chemical and genetic perturbations is studied.

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It is discovered that a prototrophic batch culture of budding yeast, growing in a phosphate-limited ethanol medium, synchronizes spontaneously and goes through multiple metabolic cycles, whereas the fraction of cells in the G1/G0 phase of the CDC increases monotonically from 90 to 99%.

Restriction of DNA Replication to the Reductive Phase of the Metabolic Cycle Protects Genome Integrity

It is shown that cell cycle mutants impeded in metabolic cycle–directed restriction of cell division exhibit substantial increases in spontaneous mutation rate, and circadian, metabolic, and cell division cycles may be coordinated similarly as an evolutionarily conserved means of preserving genome integrity.
...

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