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.
- Pseudomonas aeroginosa
- Aspergillus fumigatus
- Candida albicans
- Enterobacteriaceae (Klebsiella, Serratia)
- Mycobacterium tuberculosis produces a heat-labile catalase workable only at body temperatures.