Fig. 6

Effect of cell division on clock frequency and synchrony. (A) Diagram showing how during cell division, clock phase θ arrests, causing a cell to fall out of phase with its neighbour. On the right-hand side a still from a simulation for TM = 15 min is shown, illustrating how this creates asynchrony of oscillations. The effect of cell division on anterior synchrony and frequency is shown in figures B and C, respectively, for TM=15 min after 1000 min. N=100 . (D) The effect on anterior synchrony when division is restricted to only occur posterior to x=xdiv , for TM=15 min. N=100 . (E) The effect on anterior synchrony after 1000 min when TM is varied. In each case, the total length of the cell cycle is maintained at a constant length, i.e., TM+TG=187.5 min. N=100 . To rule out trivial changes in synchrony and frequency, in all analysis here we restrict measurement to non-dividing cells, i.e., cells such that τ∈[0,TG) .

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