55. Genera Citrobacter, Proteus and Providentia.

Question 1

Proteus providencia Habitat staining culture?

Answer 1

PROTEUS, PROVIDENCIA

1. Habitat: • intestine, urine • water, • rotting materials
2. Staining • Gram-negative
3. Culture: • swarming!

Question 2

Biochemistry proteus providencia?

Answer 2

4. Biochemistry:

• lactose –
• phenylalanine-desaminase +
• indole +/-
• urease +

Question 3

Biochemical characteristics of proteus providencia?

Answer 3

Question 4

Pathogenecity Proteus providincia?

Answer 4

5. Pathogenicity:

• saprophytic
• sometimes urinary tract infection
• P. vulgaris, • P. mirabilis, • P. morganii, • Prov. stuartii

Question 5

Citrobacteria Habitat biochemistry and pathogenicity?

Answer 5

1. Habitat: • mammals, birds, gut, water, environment
2. Biochemistry: • lactose – (late +) • KCN+, • lysine decarboxylase -
3. Pathogenicity: • saprophytic, • sometimes secondary pathogen

Question 6

Citrobacteria biochemical characteristics?

Answer 6