Pseudomonas aeruginosa (image) Molecular Biology and Evolution (Oxford University Press) Share Print E-Mail Caption This is the pathogen Pseudomonas aeruginosa during the evolution experiment in the laboratory. Credit Camilo Barbosa/Dr. Philipp Dirksen 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.