Fig. 2

Fluorescently-labeled E. coli Nissle 1917 can be tracked in vivo over time after feeding. Mice were fed fluorescently-labeled E. coli Nissle 1917 and imaged over time by FMT. Images were acquired at 10, 30, 45, 60, 80, 95, 110 and 120 min after feeding and show isosurface rendering of fluorescent signal