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Pseudomonas species
Question | Answer |
---|---|
Name the pigments (and their colors) produced by Pseudomonas aeruginosa. | Pyocyanin - turquoise-blue green, pyoverdin/fluorescein - yellow green, pyorubin - red, pyomelanin - black/brown |
What are some similarities and differences between Pseudomonas fluorescens and Pseudomonas putida? | Both are oxidase positive, produce pyoverdin and grow best at 4 degrees Celsius (psychrophilic) Ps. fluorescens is gel (+) and Ps. putida is gel (-) |
Which of the following does NOT belong to the Pseudomonas Non-Fluorescent Group? A. Pseudomonas putida B. Pseudomonas mendocina C. Pseudomonas stutzeri D. Pseudomonas alcaligenes | A. Pseudomonas putida |
How does Ps. stutzeri appear on BAP? | Dry, wrinkled, leathery colonies that may produce a light yellow or brown pigment |
Pseudomonas _________________ is the most commonly isolated species of the genus while Pseudomonas _______________ is sometimes isolated from contaminated blood bags. | aeruginosa, fluorescens |
T/F. A mucoid variant of Ps. aeruginosa can colonize the respiratory tract of chronically infected patients with Cystic Fibrosis. | True |