Lab 38: Urease Test

Question 1

tests for?

Answer 1

ability to use urea as a source of nitrogen (production of urease) and used to differentiate Proteus sp. from other related organisms
also useful to identify Helicobacter pylori which is high in urease activity

Question 2

results

Answer 2

-yellow to red or pink-red to violet = pos = production of alkaline byproducts
-no color change = neg