Lab 37: Identification of Pseudomonas

Question 1

what is Pseudomonas aeruginosa?
Pseudomonas?

Answer 1

-gram-negative, aerobic rod and important opportunistic pathogen
-is a common cause of nosocomial infections (acquired infections) and can infect surgical wounds and produce blue-green pus. also cause of septicemia and pneumonia and resistant to many antibiotics and disinfecting agents

Question 2

Pseudomonas Agars F and P were developed to help?
two pigments that are characteristic of Pseudomonas?

Answer 2

-help distinguish Pseudomonas aeruginosa on the basis of pigment production
-fluorescein and pyocyanin

Question 3

Pseudomonas Agar F

Answer 3

enhances the production of pigment fluorescein (yellow) while inhibiting pyocyanin

Question 4

Pseudomonas Agar P

Answer 4

enhances the production of pyocyanin (blue) while inhibiting fluorescein