Listeria, Nocardia & Dermatophilus Flashcards
1
Q
Where to find Listeria
A
widespread, soil, sewage, plants, silage, gut, food can replicate in the environment
2
Q
Where to find Nocardia
A
soil
3
Q
Where to find Dermatophilus
A
soil, skin
4
Q
Describe morph of Listeria
A
short thick rod 1-2 microm
5
Q
Are listeria capsulated
A
No
6
Q
Are listeria flagellated
A
Yes
7
Q
When are flagellae expressed in Listeria
A
@ Room temp
8
Q
Resistance of L
A
can survive long given the right pH
9
Q
Culture of L
A
Simple, haemolysis
10
Q
O2 in L
A
fac. anaerobs
11
Q
Since they’re motile Bb what can one use as selective method
A
U-tube
12
Q
C O
A
Catalase+
Oxidase -
13
Q
O/F test
A
fermentative
14
Q
Pathogenicity of L
A
fac path
15
Q
Culture on N
A
obl aerobic, prod pigments and aerial filaments (come out of colonies)
