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Table 2 Noise in gene expression depends on community size and communication rate ε

From: Theoretical basis of the community effect in development

Community size (cell number) ε (sec -1) Mean Standard deviation Noise
200 2.31 × 10 -6 260.8 70.0 0.268
200 5.78 × 10 -7 87.7 43.1 0.492
300 5.78 × 10 -7 146.6 54.7 0.373
500 5.78 × 10 -7 212.7 63.7 0.300
  1. Noise (coefficient of variation = standard deviation/mean) in gene expression was calculated from the steady state distribution of [Ap]*, which was derived from the stochastic simulations with one copy each of genes A and B, and with parameter values as listed in Table 1.