Cambridge City, Indiana. Cambridge City is a town in Jackson Township, Wayne County, Indiana, United States. The population was 1,870 at the 2010 census.
Serratia marcescens is a species of rod-shaped gram-negative bacteria in the family Enterobacteriaceae.. marcescens may also be found in environments such as dirt, supposedly sterile places, and the subgingival biofilm of teeth.
Some strains of S marcescens are capable of producing a pigment called prodigiosin, which ranges in color from dark red to pale pink, depending on the age of the colonies.