48 Hour E. coli on a MAC plate

48 hour time lapse photography of Gram Negative Rod, Escherichia coli, streaked out and growing on a Macconkey agar Medical Laboratory diagnostic plate in a 37 degree Celsius CO2 incubator at Weber State University, Ogden Utah. This time lapse footage shows the organisms ability to utilize lactose as a food source and revert back to usage of peptones after consuming all of the lactose present. Filmed using a GoPro HD Hero 3 Black Edition Action Sports Camera.