Figure 3.

Intergenerational variations in E. coli cell width across growth conditions. (A) Average width $⟨w_0⟩$ versus $⟨k⟩$ across growth conditions. The solid black line shows that $⟨w_0⟩$ increases exponentially with $⟨k⟩$, keeping a fixed length-width aspect ratio ($⟨w_0⟩=0.25⟨L_0⟩=\left(0.38\mu m\right)\exp \left(\left(16.19\min \right)⟨k⟩\right)$). (B) Probability distributions of the intergenerational fluctuations $\delta w_0=w_0-⟨w_0⟩$ across growth conditions scaled by their respective standard deviations (${\sigma }_{w_0}=0.06⟨w_0⟩=\left(0.02\mu m\right)\exp \left(\left(16.19\min \right)⟨k⟩\right)$). The dashed curve shows a universal Gaussian fit to the scaled data. Data are taken from (4). To see this figure in color, go online.