14. Family Legionellaceae Flashcards Preview

Elsevier Bacteriology (RVSP) > 14. Family Legionellaceae > Flashcards

Flashcards in 14. Family Legionellaceae Deck (15):
1

Legionella pneumophila serotype that is most common

Serotype 01

2

Oxygen requirements for L. pneumophila

Aerobic

3

Microscopic characteristics of L. pneumophila

Gram-negative bacilli

Difficult to stain

4

Oxidase reaction of L. pneumophila

Oxidase positive

5

Catalase reaction of L. pneumophila

Catalase positive

6

Enzyme produced by L. pneumophila

β-lactamase

7

Diseases caused by L. pneumophila

Legionnaire's disease
Pontiac fever

8

Preffered specimen for L. pneumophila diagnosis

Respiratory specimen

9

Specimen for antigen testing for L. pneumophila

Urine

10

Is L. pneumophila intracellular/extracellular?

Intracellular.

Survives and multiplies within macrophages.

11

2 growth requirements for L. pneumophila

Cysteine
Iron

12

Media for growth of L. pneumophila

Buffered charcoal yeast extract (BCYE) media

13

Growth period of L. pneumophila

2 weeks

14

Confirmatory methods for L. pneumophila

Serology testing
DNA probes
Reference laboratory

15

Primary pathogen of the Family Legionellaceae

Legionella pneumophila