Helicobacter Flashcards
1
Q
Yr first observed & in what part of body
A
1983; stomachs of type B gastritis patients
2
Q
Former name of helicobacter
A
Campylobacter pyloridis
3
Q
3 important human pathogens
A
- H. Pylori (No animal reserve)
- H. Cinaedi (humans & rodents)
- H. Fenneliae (human & rodents)
4
Q
Characteristics
A
- gram -ve
- spiral, s-shape; sometimes rods
- corkscrew motility
- microaerophilic
- multiple flagella
5
Q
Why are their multiple flagella so important
A
- virulence factor
- help w/ burrowing, resisting acidic envir., and urease
6
Q
Best growing conditions
A
- blood & chocolate agar
- after incubation for 2-5 days
7
Q
What type of motility is seen in Helicobacter?
A
Corkscrew motility
8
Q
Why is helicobacter so important?
A
- most reported species in human GIT infections
- zoonotic
9
Q
Which species is Helicobacter most important in?
A
Dogs and cats
10
Q
Main characteristic differences between campylobacter and helicobacter?
A
11
Q
Characteristics of H. Pylori
A
- gram -ve
- Spiral and rod shaped
- corkscrew motility
- multiple flagella
- virulence factors
12
Q
List the virulence factors of H. Pylori
A
- multiple flagella (burrowing)
- can live in extreme acidity
- enzyme urease (weakens acidity)
13
Q
H. Pylori affects
A
Humans
14
Q
H. Canis, H. Felis, H. Heilmannii, and H bizzozeronii affect
A
Dogs and cats
15
Q
Symptoms of helicobacter infection in animals
A
- vomiting
- dehydration
- poor appetite
- bowel sounds
- abdominal pain
- diarrhea
- weakness
- sudden death
