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10 Cards in this Set

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Basic characters.

Gram negative rods.


Highly motile - polar flagella.


Obligate aerobes.


Mucoid capsules - also helps in biofilm formation.

Cultural characters

Grows at wide range of temperatures (6-42oC)


Blue pigmentation (Pycocyanin).


Green pigmentation (Flurescein/pyoverdin)


Others: Pyorubin (red), Pyomelanin (brown)





Media:

Grows on MacConkey as non lactose fermenting colonies.


Hemolysis on blood agar plate.


growth with metallic sheen on DCA media.

Biochemical characteristics:

Positives: Glucose utilization with only acid production, growth on cetrimide agar, oxidase, catalase, and nitrate reduction.




Negatives: Indole, MR, VP and H2S tests.

Common infections:

Noscomial infections


Most common: suppurative otitis.

Lesion infections found in??

Infections of wounds and bedsores.


Eye and urinary tract infections.


Can cause serious infections in burnt lesions.



Skin lesions?

Ecthyma gangrenosum.

Immunosupressive therapies may cause??

Septicemia


Endocarditis.

Resistance:

resistant to most antibiotics.


Can survive in minimal nutrients.



Resistant to disinfectants such as?

QUATs.


Chloroxylenol.


Hexachloropropane.