Fig. 20: Pseudomonas
aeruginosa Growing on
Cetrimide Agar
with a Positive Oxidase Test
![](images/Pseudomonas on Cetrimide and positive swab oxidase.jpg)
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