Self-organization of motile rings in a suspension drop

Self-organization of motile rings at the edge of P. mirabilis suspension drop (artificial colony). This video was obtained via fluorescence imaging and all cells in the colony were GFP-tagged. It is played at 30 frames per s with the real elapsed time indicated in the time stamp. Scale bar: 20 μm. See: Xu et al, Nature Communications, 2019: 10, 1792.