What is urease test?
Some organisms, especially bacteria produce an exoenzyme called urease. Urease test is the test which is used to identify these organisms in broth culture.Another method is by using Rapid Urease test, which helps in documenting H.Pylori eradication in Peptic ulcer disease.
There are different mnemonics to memorize these organisms, I have compiled a list of these mnemonics as given below
Urease positive organisms Mnemonics
1.PUNCH
Proteus
Ureaplasma
Nocardia
Cryptoccocus
Helicobacter pylori
2. SCHPUNK
Staphylococcus
Cryptococcus
Helicobacter
Proteus
Ureaplasma urealyticum
Nocardia
Klebsiella
3.BacK PPUNCHeS
Bacteroides
Klebsiella
Proteus
Providencia
Ureaplasma
Nocardia
Cryptococcus
H. pylori
S. saprophyticus
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