Pseudomonas aeruginosa is a gram-negative rod that grows into | FreeMedSite

Pseudomonas aeruginosa is a gram-negative rod that grows into blue-green colonies on nutrient agar. The colonies show the particular property of fluorescence under ultraviolet light, as seen in the photograph

P. aeruginosa is a common organism found in patients with burn wounds and catheter-associated infections. It is also a common cause of nosocomial infections. Pseudomonas infection must be suspected if there is a greenish discharge. Some important antipseudomonal penicillin agents include piperacillin and ticarcillin.