17. Family Pseudomonadaceae

Question 1

Most common Pseudomonas isolates in the clinical laboratory

Answer 1

P. fluorescens
P. aeruginosa
P. stutzeri
P. putida
P. alcaligenes

FASPA

Question 2

Oxidase reaction of the Family Pseudomonadaceae

Answer 2

Oxidase positive

Question 3

Oxygen requirements for the Family Pseudomonadaceae

Answer 3

Aerobic

Question 4

Microscopic appearance of the Family Pseudomonadaceae

Answer 4

Gram-negative bacilli

Question 5

Reservoir of Pseudomonas in the environment

Answer 5

Water and soil

Question 6

Lung infection by P. aeruginosa

Answer 6

Cystic fibrosis

Question 7

Odor of P. aeruginosa

Answer 7

Grapelike odor

Question 8

Oxidase reaction of P. aeruginosa

Answer 8

Oxidase positive

Question 9

Pigments produced by P. aeruginosa

Answer 9

• Pyocyanin (presumptive identification)

- Pyoverdin (fluorescein) (further confirmation)

Question 10

Carbohydrate oxidized by P. aeruginosa

Answer 10

Glucose

Question 11

Temperature at which P. aeruginosa grows in culture for further confirmation

Answer 11

42°C

Question 12

Based on genetic analysis, what genera are actually Pseudomonas spp?

Answer 12

Chryseomonas
Flavimonas

(C. luteola, C. polytricha, F. oryzihabitans)