Chapter title |
Analyzing DNA replication checkpoint in budding yeast.
|
---|---|
Chapter number | 16 |
Book title |
Cell Cycle Control
|
Published in |
Methods in molecular biology, June 2014
|
DOI | 10.1007/978-1-4939-0888-2_16 |
Pubmed ID | |
Book ISBNs |
978-1-4939-0887-5, 978-1-4939-0888-2
|
Authors |
Hustedt N, Shimada K, Nicole Hustedt, Kenji Shimada, Hustedt, Nicole, Shimada, Kenji |
Abstract |
Checkpoints are conserved mechanisms that prevent progression into the next phase of the cell cycle when cells are unable to accomplish the previous event properly. Cells also possess a surveillance mechanism called the DNA replication checkpoint, which consists of a conserved kinase cascade that is provoked by insults that block or slow down replication fork progression. In the budding yeast Saccharomyces cerevisiae, the DNA replication checkpoint controls the timing of S-phase events such as origin firing and spindle elongation. This checkpoint also upregulates dNTP pools and maintains the replication fork structure in order to resume DNA replication after replication block. Many replication checkpoint factors have been found to be tumor suppressors, highlighting the importance of this checkpoint pathway in human health. Here we describe a series of protocols to analyze the DNA replication checkpoint in S. cerevisiae. |
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