Cholera Colonies on Agar 2 (IMAGE) Georgia Institute of Technology Caption This image shows cholera colonies (yellow) growing on an agar plate. Growth of the bacterium was part of research into the diversity and resourcefulness of the bacterium. (Credit: John Toon, Georgia Tech) Credit Credit: John Toon, Georgia Tech Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.