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MY Bacteriology FINAL > Campylobacter > Flashcards

Flashcards in Campylobacter Deck (30):
1

True/False: Campylobacter has flagella

True

*usually has bipolar flagella 

2

What is the main source of infection of Campylobacter?

Undercooked poultry!!!

3

Camplyobacter has a ___ appearance

gull wing

A image thumb
4

Where does Camplyobacter cause disease?

reproductive tract

intestinal tract 

5

What two species of Campylobacter are the leading causes of food borne bacterial

gastoenteritis in humans?

C. jejuni

C. coli 

6

What species of Campylobacter has Lip-oligosaccharides?

C. jejuni

7

This virulence factor for Camplyobacter is essential for motility an intestinal colonization

flagella 

8

What toxin does Campylobacter have that causes apoptosis of host cells?

Cytolethal distending toxin 

9

What type of secretion system does Campylobacter use?

Type 2 and 4

10

Where are you likely to find Campylobacter fetus ssp. venerealis?

preputial crypts of carrier bulls

11

Where are you likely to find Campylobacter Fetus ssp. fetus?

intestinal tract and gall bladder

*mainly affects sheep and goats 

12

Campylobacter fetus ssp. fetus is a reproductive disease but is typically trasmitted via which route?

fecal oral

13

How is Campylobacter Fetus ssp. verealis transmitted?

venerally

14

What is the main way that humans get Campylobacter?

ingestion of undercookes poultry 

15

Which species of Campylobacter causes inflammatino of the uterus and can lead to abortions in cattle?

Campylobacter Fetus subsp. venerealis

16

True/False: Campylobacter leads to serious economic consequences in the cattle industry due to reproductive disease 

True

17

Is Campylobacter fetus. spp. venerealis a reportable disease?

YES

*bovine genital campylobaceriosis

causes abortion and damage to the uterus

18

What species of campylobacter can lead to abortion storms in sheep and goats?

C. fetus spp. fetus

C. jejuni

19

True/False: In campylobacter abortion in sheep and goats, the fluids and tissues involved in abortion are not infectious

False

*VERY INFECTIOUS

20

What lesions are considered pathoneumonic for Camplyobacter jejuni or fetus spp. fetus in aborted sheep and goats?

donut shaped lesions in the liver of the fetus after abortion 

A image thumb
21

Which species of Campylobacter causes enteric disease?

C. jejuni

22

Which species of campylobacter is the most frequent cause of food poisoning in many countries and causes diarrhea due to the intake of undercooked poultry meat?

C. jejuni

23

True/False: Campylobacter lives inside macrophages 

False

*it avoids phagocytosis via type 4 Secretion system

24

What is the source of infection for C. jejuni in enteric disease?

feces from infected animals 

25

True/False: The ceca of 50% of chickens contains C. jejuni

True

26

True/False: Immune response is successful in clearing Campylobacter infection of the reproductive tract in cattle

True

27

What are the best samples for diagnosis of Campylobacter?

Cattle- preputial scrappings of bulls

Sheep- aborted fetuses 

enteric disease- fecal sample

28

What media can be used to diagnose Campylobacter enteric disease?

Skirrow medium

*lysed horse blood

29

True/False: Vaccination works with reproductive disease in cattle due to campylobacter

True

*vaccination works in reproductive disease in cattle! 

30

How can you differentiate Arcobacter from Camplyobacter?

Arcobacter will grow at lower temperatures than 37 degrees and Campylobacter will not