CATALASE

Pronunciation (US):

(GB):

 Dictionary entry overview: What does catalase mean? 

• CATALASE (noun)
  The noun CATALASE has 1 sense:

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

  Familiarity information: CATALASE used as a noun is very rare.

 Dictionary entry details 

• CATALASE (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)

 Context examples 

This species is nonmotile, catalase and urease positive, indole negative, does not reduce nitrate, is negative for the methyl red test and contains the amino sugar galactosamine in the cell wall.

(Micrococcus lylae, NCI Thesaurus)

This species is motile, nonfermentative, forms yellow pigmented colonies, catalase positive, oxidase negative and hydrolyzes esculin and gelatin.

(Microbacterium paraoxydans, NCI Thesaurus)

This species is motile by one to six flagella that originate from the same spot on each cell and is oxidase, indole and catalase negative.

(Mobiluncus curtisii, NCI Thesaurus)

This species is motile by one to eight flagella from multiple origins, oxidase and catalase negative, does not hydrolyze esculin, is stimulated from arginine, weakly reduces nitrate and produces acid from glycogen.

(Mobiluncus mulieris, NCI Thesaurus)

This species is positive for oxidase, catalase, butyrate esterase, and y-glutamyl-aminopeptidase activities, negative for phenylalanine deaminase, urease, lipase and lecithinase activity and relatively halointolerant.

(Moraxella canis, NCI Thesaurus)

This species is nonmotile, indole negative, produces acid from fructose, glucose and maltose, does not reduce nitrate and is catalase negative.

(Megasphaera elsdenii, NCI Thesaurus)

This species is nonmotile, nonsporulating, catalase and oxidase negative and produces lactic acid from glucose fermentation.

(Abiotrophia defectiva, NCI Thesaurus)

This bacteria is non motile, catalase and oxidase positive, does not hydrolyze ortho nitrophenyl beta galactosidase, urease negative and acid is produced from glucose, maltose, mannose and fructose.

(Aggregatibacter actinomycetemcomitans, NCI Thesaurus)

This bacteria is catalase and urease negative, oxidase variable, does not require X factor and acid is produced from glucose, fructose and mannose.

(Aggregatibacter aphrophilus, NCI Thesaurus)

This bacteria is catalase positive, oxidase negative, requires V factor but not X factor to grow and xylose is not fermented.

(Aggregatibacter segnis, NCI Thesaurus)