Cholera Colonies on Agar (image) Georgia Institute of Technology Share Print E-Mail 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 Credit: John Toon, Georgia Tech Usage Restrictions None Share Print E-Mail 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.