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 (yo͝or′ē-ās′, -āz′)
A nickel-containing enzyme that catalyzes the hydrolysis of urea to ammonia and carbonic acid and is found in certain bacteria, fungi, plants, and marine invertebrates.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˈjʊərɪˌeɪs; -ˌeɪz)
(Biochemistry) an enzyme occurring in many plants, esp fungi, that converts urea to ammonium carbonate
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈyʊər iˌeɪs, -ˌeɪz)

an enzyme that changes urea into ammonium carbonate, occurring in bacteria, fungi, etc.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.urease - an enzyme that catalyzes the hydrolysis of urea into carbon dioxide and ammonia; is present in intestinal bacteria
enzyme - any of several complex proteins that are produced by cells and act as catalysts in specific biochemical reactions
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
(2012) Synthesis, urease Inhibition, antioxidant, antibacterial, and molecular docking studies of 1,3,4-oxadiazole derivatives.
Some studies reveal that urease activity, an enzyme that catalyzes the hydrolysis of urea to C[O.sub.2] and ammonia, decreased in soils with long-term nitrogen fertilization, in comparison with unfertilized soils (Meysner et al., 2006; Mohammadi, 2011).
Culture plates were incubated at 37[degrees]C for 24 hours and colonies were subjected for cultural, morphological and various biochemical test viz., Catalase, Oxidase, Urease test as per methods described by Barrow and Felthem (1993).
One possible approach to improve the nitrogen losses from the surface applied urea is to coat it with sulfur, urease inhibitor (agrotain) and other biodegradable materials.
For years, the urease tests [Campylobacter-like organism (CLO) test, urea breath test] have been the most commonly applied diagnostic test for Helicobacter pylori (H.
Urease (EC, L-glutaminase ( L-glutamine amidohydrolase, EC and L-asparaginase (EC are among amidohydrolases that contribute to N mineralization in soil [17].
The urease inhibitory effects of these compounds have been investigated for the first time as well as their molecular docking studies have also been carried out to check the structure-activity relationship.
This study investigated the effect of deep tillage and straw returning on soil microorganism (actinomycete, bacteria, and fungi) and enzyme activities (catalase, phosphatase, urease, and saccharase) in clay and loam soil.
Urease (urea amidohydrolase) is usually found in different bacteria, fungi, algae, and plants, an enzyme that catalyzes the hydrolysis of urea to ammonia and carbamate, which is the final step of nitrogen metabolism in living organisms [1].
In a study published in the journal Science and Technology of Advanced Materials, researchers in Japan and China tested a novel urease fabrication process for coating titanium implants with bioactive CaP/gelatin composites.
The experiments also show that increasing concentrations of cranberry powder reduce the bacteria's production of urease, an enzyme that contributes to the virulence of infections.