Fig. 3

Self-organized patterns of cellular states in ferromagnetic and anti-ferromagnetic colonies. a Representative images of red and green fluorescent protein patterns that emerge in colonies of spherical E. coli cells carrying the ferromagnetic or anti-ferromagnetic systems with reporter vector 1 or 2. Cells were grown on solid M9-glucose medium supplemented with \(10^{-8}\) M of C6HSL, a concentration that counteracts the bias introduced by the basal expression of the pLas81pLac promoter. Images were taken approximately 18 h after inoculation. Scale bars 100 \(\mu\)m. Red cells are shown in magenta. b Images obtained from populations simulated with CPIM are included for comparison