Lab 9- Pseudomonas Flashcards
Habitat
Mucous membranes, soil, h2o, plants
Morphology
1.5-5 um rod
Flagella ?
Yes
Staining
Gram -
Culture
Not fastidious
Obligate aerobic
Pigment production
Pathogenicity
Saprophytes, plants pathogens, animal pathogens
Species
P. Aeruginosa
P. Anguilliseptica
Morphology p. Aeruginosa
1 polar flagellum
Polar fimbria
Culture p. Aeruginosa
Simple 5-42 degrees Celsius
Beta hemolysis
Odor
Pigments: piocianin + fluorescein
Biochem
Catalase +
Oxidase +
Antigens
O antigen
H antigen
Phage typing
Pyocin typing
Resistance
Resistance; quaterner nh4 salts, amphoteric disinfectants
Susceptibility
Dehydration
Heat
Most disinfectants
Pathogenicity p. Aeruginosa
Facultative pathogenic
Local suppuration
Cattle mare: mastitis, metritis
Sheep: dermatitis
Dog: otitis externa
Fur animals : septicaemia
Biochem p. Anguilliseptica
Inactive
Pathogenicity p. Anguilliseptica
Salmon+eel; septicaemia, keratitis, haemorrhages