Mechanistic Model of Replication Fork Progression in Yeast
Singh, G.
Show abstract
Replication fork progression complex plays an essential role during DNA replication. It travels along with the DNA with a particular speed called replication fork speed. Faithful duplication of the genome requires strict control over replication fork speed. Both acceleration and pausing mechanisms of the replication fork complex are regulated at the molecular level. Based on the experimental evidence, DNA replicates faster in normal cells than cancer cells, whereas cancer cells duplicate themselves more quickly than normal cells. Then in principle, accelerating the replication fork complex in cancer cells beyond a specific threshold speed limit can cause DNA damage and plausibly kill them. A modular mathematical model is proposed to explain the dynamics of replication fork control during DNA replication using the underlying molecular mechanisms in yeast which can extend to the mammalian system in the future.
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