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Flashcards in Campylobacter Deck (30)
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1
Q

True/False: Campylobacter has flagella

A

True

*usually has bipolar flagella

2
Q

What is the main source of infection of Campylobacter?

A

Undercooked poultry!!!

3
Q

Camplyobacter has a ___ appearance

A

gull wing

4
Q

Where does Camplyobacter cause disease?

A

reproductive tract

intestinal tract

5
Q

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

gastoenteritis in humans?

A

C. jejuni

C. coli

6
Q

What species of Campylobacter has Lip-oligosaccharides?

A

C. jejuni

7
Q

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

A

flagella

8
Q

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

A

Cytolethal distending toxin

9
Q

What type of secretion system does Campylobacter use?

A

Type 2 and 4

10
Q

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

A

preputial crypts of carrier bulls

11
Q

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

A

intestinal tract and gall bladder

*mainly affects sheep and goats

12
Q

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

A

fecal oral

13
Q

How is Campylobacter Fetus ssp. verealis transmitted?

A

venerally

14
Q

What is the main way that humans get Campylobacter?

A

ingestion of undercookes poultry

15
Q

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

A

Campylobacter Fetus subsp. venerealis

16
Q

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

A

True

17
Q

Is Campylobacter fetus. spp. venerealis a reportable disease?

A

YES

*bovine genital campylobaceriosis

causes abortion and damage to the uterus

18
Q

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

A

C. fetus spp. fetus

C. jejuni

19
Q

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

A

False

*VERY INFECTIOUS

20
Q

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

A

donut shaped lesions in the liver of the fetus after abortion

21
Q

Which species of Campylobacter causes enteric disease?

A

C. jejuni

22
Q

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?

A

C. jejuni

23
Q

True/False: Campylobacter lives inside macrophages

A

False

*it avoids phagocytosis via type 4 Secretion system

24
Q

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

A

feces from infected animals

25
Q

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

A

True

26
Q

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

A

True

27
Q

What are the best samples for diagnosis of Campylobacter?

A

Cattle- preputial scrappings of bulls

Sheep- aborted fetuses

enteric disease- fecal sample

28
Q

What media can be used to diagnose Campylobacter enteric disease?

A

Skirrow medium

*lysed horse blood

29
Q

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

A

True

*vaccination works in reproductive disease in cattle!

30
Q

How can you differentiate Arcobacter from Camplyobacter?

A

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