Fig 6. Polymerization waves in presence of a phase field.

A) Schematic comparison of the discretized diffusion in absence (left) and presence (fight) of a phase-field, see Eq (29). B) Phase diagram of migration patterns as a function of the actin growth velocity v_a and nucleator inactivation parameter ω_d. C-E) Example trajectories with cell outlines drawn at 8 equidistant points in time for v_a = 0.34 and ω_d = 0.45 (diffusive migration, C), v_a = 0.22 and ω_d = 0.38 (random walk with straight segments, D), and v_a = 0.46 and ω_d = 0.43 (random walk with curved segments, E). Scale bars correspond to a length of 0.3. Other parameters as in Table 1.