Mnemonic for Catalase positive organisms is:
SPACE
- Staphylococci (important not confuse it with streptococci)
- Pseudomonas aeroginosa
- Aspergillus fumigatus
- Candida
- Enterobacteriaceae (Klebsiella,Serratia)
None of the anaerobes are Catalase positive.
Some other Catalase positive organisms are:
- Nisseria (Gonorrhea & Meningitidis)
- Vibrio
- Nocardia
- Campylobacter & Helicobacter
- Gardnerella vaginalis
- Pseudomonas cepacia
- Mycobacterium Tubeculosis -Produce a heat sensitive catalase ( active only in body temperature ) hence it becomes catalase negative at 68 deg F.
Also see Urease positive organisms mnemonic
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