5.7.1.1 Capnocytophaga

Question 1

Capnocytophaga is previously called?

Answer 1

Dysgonic fementers 1 and 2

Question 2

What is the gaseous composition?

Answer 2

Facultative anaerobe

Question 3

How many spp?

Answer 3

7 (5 normal biota in human oral cavity, 2 normal biota in oral cavity of dogs and cats)

Question 4

Oxidase and catalase?

Answer 4

Neg

Question 5

Diseases causes?

Answer 5

Periodontitis
Dental plaque
Endocarditis

Question 6

Bacteria in Capnocytophaga that causes Periodontitis?

Answer 6

• C. ochracea (mostly isolated)
• C. gingivalis
• C. sputigena

Question 7

Bacteria in Capnocytophaga that causes Dental plaque

Answer 7

C. haemolytica & C. granulosa

Question 8

Bacteria in Capnocytophaga that causes Endocarditis

Answer 8

C. canimorsus

Question 9

What is the microscopical characteristics?

Answer 9

Thin and fusiform
Spindle shaped
Coccoid and curved filaents

Question 10

What is the cultural characteristics

Answer 10

Non hemolytic (Except, C. haemolytica: Beta)
Haze on solid surfase
Opaque
Shiny
Pale beige or yellow-ish

Question 11

What motility that causes the haze in the agar?

Answer 11

Gliding motility

Question 12

Capnocytophaga ferments what CHO?

Answer 12

Sucrose
Glucose
Maltose
Lactose

Question 13

Why Capnocytophaga still negative in TSI even though it ferments CHO?

Answer 13

does not have enrichment

Question 14

Indole (-)
Bile esculin (+)
Nitrate reduction (+)