Catalase postive organisms mnemonic

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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