Library / English Dictionary

CATALASE

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

Enzyme found in most plant and animal cells that functions as an oxidative catalyst; decomposes hydrogen peroxide into oxygen and water

Classified under:

Nouns denoting substances

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

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

Derivation:

catalatic (of or relating to the enzyme catalase)

Credits

 Context examples: 

This bacteria is motile, non sporeforming, oxidase and catalase positive, hydrolyzes esculin and ferments glucose, xylose and mannitol.

(Agrobacterium radiobacter, NCI Thesaurus)

This species is nonmotile, nonhemolytic, oxidase and catalase positive, indole negative and reduces nitrate.

(Moraxella nonliquefaciens, NCI Thesaurus)

This species is oxidase and catalase positive, does not reduce nitrate and is negative for urea and lysine hydrolysis.

(Moraxella oblonga, NCI Thesaurus)

This species is acid fast, nonmotile with optimum growth on Lowenstein-Jensen medium, urease and catalase positive, niacin and nitrate negative, and produces pigment when cultured and exposed to light.

(Mycobacterium marinum, NCI Thesaurus)

This species is acid fast, nonmotile, acid phosphatase and iron uptake negative and catalase, urease, pyrazinamidase and nicotinamidase positive.

(Mycobacterium scrofulaceum, NCI Thesaurus)

This species is catalase and oxidase positive, non-hemolytic, pigmented, susceptible to colistin, produces polysaccharides from sucrose, and does not produce acid from glucose, maltose, fructose, sucrose, mannose or lactose.

(Neisseria flavescens, NCI Thesaurus)

This species is catalase and oxidase positive, non-hemolytic, produces a yellowish pigment, reduces both nitrate and nitrite, synthesizes polysaccharides, and produces acid from glucose, maltose, fructose, and sucrose, but not mannose or lactose.

(Neisseria mucosa, NCI Thesaurus)

This species is acid fast, nonmotile, catalase negative, requires haemin for growth and is characterized by exclusively intracellular development.

(Mycobacterium haemophilum, 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 oxidase and catalase positive, nonmotile and asaccharolytic.

(Moraxella osloensis, NCI Thesaurus)