Which of the following pigment is only produced by Psedomonas aeruginosa?: (A) Pyoverdin, (B) Pyorubin, (C) Pyocyanin, (D) Pyomelanin
Answer is C. Pseudomonas produces a number of pigments which diffuse freely into surrounding, inhibit other bacteria and mediate tissue injury. Pyocyanin is a blue green pigment produced only by P. aeruginosa