Pseudomonas Flashcards
What kind of mobility do they show
Polar flagella mobility
Are they capsulated
No. But they may produce a slimy layer especially in cases of cystic fibrosis
What kind of gram staining
Gram negative
What is the selective media and what organisms are they identified from
Cetrimide and dettol , catalase and oxidase test positivity helps to identify them from enterobacteria
Characteristic features
P- they produce pigments , blue green or yellow green which can be enhanced using kings medium
O - odour is alcohol like fruity
What are the culture media’s used
Blood agar- beta hemolysis
Selective media of cetrimide and dettol
Biochemical tests using oxidase and catalase
Infections caused
Cystic fibrosis
Nosocomial infections especially in ICU , burn patients and those who have neutropenia
In teenagers who swim , they cause Maligna externa osteitis ( swimmers ear)
Shanghai fever
Cellulitis
Treatment
Beta lac tam and aminoglycoside
What do we have to consider while treating pseudomonas infection
That they are highly resistant to antibiotics.
Whitmore’s bacillus
Bulkholderia pseudomonas
Black Death
Plague , caused by Y.pasturellae
Culture media for y pasturellae?
Ghee broth- stalactite growth.
Types of plague
Bubonic
Pneumonic
Septic
