View source for Urease test

* Tests for the ability of the bacteria to metabolize urea by using phenol red to detect a pH change from lysis of urea into ammonia and carbon dioxide
* Often found in bacteria that cause urinary tract infections
* Procedure
** Into a tube with urea medium, stab an inoculum of the isolate into the medium then streak the slant
** Incubate with a loose lid at 35ºC for 24 hours
** Positive if the orange-yellow color turns bright pink
* Common urease-positive organisms include
** [[Proteus]]
** [[Cryptococcus]]
** [[Corynebacterium]]
** [[Helicobacter pylori]]
** [[Brucella]]
** [[Nocardia]]
** [[Ureaplasma]]
* All organisms include: {{#ask: Urease [[Urease::positive]]}}

[[Category:Diagnostics]]