Proteus 📯

Question 1

What is the Feature of Proteus ?

Answer 1

1- Highly motile ( peritrichous flagella )
2- forms swarming colonies
3- Rapid urease positive (pink color) = produces urease enzyme
4- Non-lactose fermenter (=colorless on MacConkey’s agar)

Question 2

What is the disease of Proteus ?

Answer 2

stone formation

Question 3

What is the proteus is Indole negative ?

Answer 3

P. mirabilis

Question 4

What is the protrus is Indole positive ?

Answer 4

P. vulgaris

Question 5

P. vulgaris causes ?

Answer 5

Nosocomial infections, Penicillin resistance.

Question 6

P. mirabilis can cause ?

Answer 6

UTI, wound sepsis, penicillin sensitive

Question 7

List the organisms that cause hospital acquired infection ?

Answer 7

1- E. coli causing other Infections: Health-care Associated Infections
2- Klebsiella pneumoniae subspecies pneumonia causes
3- K pneumoniae subspecies K aerogenes
4- proteus vulgaris

Question 8

What is the culture of proteus ?

Answer 8

1- Nutrient agar & blood agar: swarming colonies
2- MacConkey’s: non-lactose fermenter (NLF)=colorless, no swarm
3- CLED (media for urine culture): blue colonies, inhibit swarming

Question 9

What is the biochemical reaction of Proteus ?

Answer 9

NLF, Urease positive