4. Chemotaxis of a population of Dictyostelium cells to cAMP

Chemotaxis of Dictyostelium cells to a micropipette emitting the chemoattractant cAMP. The movie is taken by time-lapse video microscopy using DIC optics and a 20X objective. The time frame of the movie is approximately 20 minutes. Images were taken every 6 seconds. S. Lee, Firtel lab.