Lab 7- Bacteroides, Dichelobacter, Provotella Flashcards
1
Q
Habitat
A
Alimentary tract, respiratory tract, genitalia, mucous membranes, water
2
Q
Morphology
A
3-5 um rods + fimbria
3
Q
Staining
A
Gram negative
Irregular
4
Q
Culture
A
Fastidious!
Obligate anaerobic
5
Q
Biochem
A
More active
Proteases (virulence factor )
, keratinase (foot root)
6
Q
Pathogenicity
A
Facultative pathogenic
Necrosis, abscesses
7
Q
Species
A
B. Fragilis
Mainly gut flora, appendicitis, wounds
D. Nodosus
Fimbria, proteolysis, keratinase
Sheep foot root
P. Melaninogenicus
Dog, cat
Putrid inflammations
8
Q
Hemolysis
A
Yes