Fig. 20: Pseudomonas aeruginosa Growing on Cetrimide Agar
with a Positive Oxidase Test

Note the production of pyocyanin, a green water soluble pigment, and the positive oxidase test.

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Microbiology Laboratory Manual by Gary E. Kaiser, PhD, Professor of Microbiology
is licensed under a Creative Commons Attribution 4.0 International License.
Last updated: September, 2017