Library / English Dictionary

UREASE

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

An enzyme that catalyzes the hydrolysis of urea into carbon dioxide and ammonia; is present in intestinal bacteria

Classified under:

Nouns denoting substances

Hypernyms ("urease" is a kind of...):

enzyme (any of several complex proteins that are produced by cells and act as catalysts in specific biochemical reactions)

Credits

 Context examples: 

This species is nonmotile, non-spore forming, catalase positive, indole and lipase negative, stimulated by bile, reduces nitrate, produces hydrogen sulfide, does not hydrolyze starch or esculin, and most strains are urease positive.

(Bilophila wadsworthia, NCI Thesaurus)

This species is motile using 5 to 8 peritrichous flagella, oxidase, urease, and indole negative, does not reduce nitrate, and does not hydrolyze esculin or gelatin.

(Bordetella avium, NCI Thesaurus)

This species is acid fast, nonmotile, urease negative and catalase, nitrate reductase, and esculin positive.

(Mycobacterium fortuitum, NCI Thesaurus)

This species is acid fast, nonmotile, catalase and urease positive, negative for 3-day arylsulfatase and Tween 80 hydrolysis, and does not reduce nitrate.

(Mycobacterium gordonae, NCI Thesaurus)

This species is nonmotile, catalase and urease positive, acid-fast, oxidase negative, hydrolyzes casein, elastin, esculin, hypoxanthine, testosterone, and tyrosine, but not xanthine, produces acid phosphatase, and reduces nitrate.

(Nocardia brasiliensis, NCI Thesaurus)

This species is nonmotile, catalase and urease positive, reduces nitrate, does not produce phosphate and utilizes glucose and fructose as its only carbon source.

(Nocardia nova, NCI Thesaurus)

This species is nonmotile, catalase and urease positive, reduces nitrate, hydrolyzes esculin, hypoxanthine, and xanthine, but not casein, elastin, testosterone, or tyrosine.

(Nocardia otitidiscaviarum, NCI Thesaurus)

This species is nonmotile, urease negative, does not hydrolyze carbohydrates, gelatin, or casein, and is sensitive to penicillin, erythromycin and aminoglycosides.

(Mycoplasma orale, NCI Thesaurus)

This species is acid-fast, positive for nitrate reductase, tellurite reductase, catalase and Tween hydrolysis, and is negative for urease.

(Mycobacterium terrae, NCI Thesaurus)

This species is acid fast, grows rapidly on egg medium, is urease, arylsulfatase and nitrate reductase positive, benzamidase and isonicotinamidase negative, and has a relatively low tolerance to cefmetazole and cefoxitin.

(Mycobacterium peregrinum, NCI Thesaurus)