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. 2012 Feb 16;7(2):e31607. doi: 10.1371/journal.pone.0031607

Figure 4. Analyses in zen-4 mutant cells.

Figure 4

(A, B, C) Cell shapes (A), curvature Cm (B), and estimated cortical stiffness Kc for a contractile ring force (Force) = 20.0 (C) at a furrow radius = 0.6–0.5 are shown with S.D. for the wild-type (N = 94 in A and B, N = 30 in C) and mutant cells (N = 126 in A and B, N = 117 in C). P-value<0.05 at s = 0.7 in (B) and s = 1.0 in (C). r, z, and s are defined in Fig. 1B. (D) Changes in the mutant cells' furrow radius by introducing Kc derived from the wild-type cells were calculated for each furrow radius = 0.9–0.8∼0.6–0.5. N = 26, 37, 27, and 30, respectively. (E) The magnitudes of the contractile ring force (Force) required to achieve the presented furrow radii were calculated for a spatially constant Kc ( = 1.0).