List of catalase positive microorganisms

Catalase is a common enzyme found in almost all aerobic organisms. It catalyzes the decomposition of hydrogen peroxide to water and oxygen.

List of catalase positive microorganisms

Only medically-important organisms are listed here.

  • Staphylococci
  • Pseudomonas aeroginosa
  • Aspergillus fumigatus
  • Candida albicans
  • Enterobacteriaceae (Klebsiella, Serratia)
  • Mycobacterium tuberculosis produces a heat-labile catalase workable only at body temperatures.
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Burhan Ahmed is currently Editor-in-Chief at He completed his residency from Michigan State University in 2015. He has written three short revision books on Biology, Stomatology and Gynecology, has 4 publications to his name. He is pursuing career in cosmetic dermatology.


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