Enterobacteriaceace; Klebsiella Flashcards
Habitat; K. pneumoniae
Mucous membranes, gut, respiratory tract, genital tract, environment
Morphology; K. pneumoniae
- Rod
- Capsule (thick)
- No flagella (Shigella also no flagella)
Colour stained bacteria
Dark pink in middle, light pink around/inside
Culture; K. pneumoniae
- Large, merging, mucoid colonies (large amount of capsule)
- Rapid change of the color of indicator
- Misguided reactions: very fast lactose fermentation? Acid also degraded
Biochemical characteristics, Escherichia vs. Klebsiella: Lactose
E: +
K: +
Biochemical characteristics, Escherichia vs. Klebsiella: Mannitol
E: +
K: +
Biochemical characteristics, Escherichia vs. Klebsiella: Indol production
E: +
K: -
Biochemical characteristics, Escherichia vs. Klebsiella: Methyl red
E: +
K: -
Biochemical characteristics, Escherichia vs. Klebsiella: Voges-Proskauer
E: -
K: +
Biochemical characteristics, Escherichia vs. Klebsiella: Citrate utilization
E: -
K: +
Biochemical characteristics, Escherichia vs. Klebsiella: Urease
E: -
K: +
Biochemical characteristics, Escherichia vs. Klebsiella: H2S
E: -
K: -
Biochemical characteristics, Escherichia vs. Klebsiella: Phenylalanine deaminase
E: -
K: -
Antigens
- 82 serogroups, using the capsule antigen
Pathogenicity; calf
Bronchitis, bronchopneumonia