C. novyi (1 of 2) (image) Johns Hopkins Medicine Caption This is a gram stain of C. novyi-NT germination in a dog tumor. The darker rod-shaped bacteria are visible throughout the image. Credit David L. Huso and Baktiar Karim of the Johns Hopkins Department of Pathology. Usage Restrictions None 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.