Effects of Cell Cycle Noise on Excitable Gene Circuits
Overview
Affiliations
We assess the impact of cell cycle noise on gene circuit dynamics. For bistable genetic switches and excitable circuits, we find that transitions between metastable states most likely occur just after cell division and that this concentration effect intensifies in the presence of transcriptional delay. We explain this concentration effect with a three-states stochastic model. For genetic oscillators, we quantify the temporal correlations between daughter cells induced by cell division. Temporal correlations must be captured properly in order to accurately quantify noise sources within gene networks.
Circuit-Host Coupling Induces Multifaceted Behavioral Modulations of a Gene Switch.
Blanchard A, Liao C, Lu T Biophys J. 2018; 114(3):737-746.
PMID: 29414718 PMC: 5985027. DOI: 10.1016/j.bpj.2017.12.010.
Genetic toggle switch controlled by bacterial growth rate.
Jaruszewicz-Blonska J, Lipniacki T BMC Syst Biol. 2017; 11(1):117.
PMID: 29197392 PMC: 5712128. DOI: 10.1186/s12918-017-0483-4.
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PMID: 28713623 PMC: 5508549. DOI: 10.1007/s40484-017-0100-y.