Lab 9- Moraxella Flashcards
1
Q
Habitat
A
Mucous membranes, upper respiratory way and conjunctiva
2
Q
Morphology
A
1-3 um coccoid rods, capsule, pairs
3
Q
Staining
A
Gram -
4
Q
Resistance
A
Weak
5
Q
Subgenera + species
A
Moraxella
Branhamella
Species:
M. (M) lacunata
M. (M) bovis
M. (B) ovis
6
Q
M. (M) bovis has fimbria ?
A
Yes
7
Q
Culture
A
Fastidious
Blood agar
Beta hemolysis
8
Q
Biochem
A
Catalase +
Oxidase +
Extracellular enzymes
Proteases, hyaluronidase, fibrinolysine
9
Q
Antigens
A
7 fimbria groups
10
Q
Pathogenicity
A
M. (M) bovis = cattle infectious kerato-conjunctivitis (pink eye )
M. (M) ovis faculative pathogenic
Kerato-conjunctivitis of sheep, goats, young calves
