Does Enterobacter Aerogenes Have Catalase

Klebsiella aerogenes, previously known as Enterobacter aerogenes, is a Gram-negative, oxidase negative, catalase positive, citrate positive, indole negative, rod-shaped bacterium. … aerogenes is a nosocomial and pathogenic bacterium that causes opportunistic infections including most types of infections.

Does Enterobacter have catalase?

Only Salmonella and rare Escherichia, Enterobacter, and Klebsiella isolates were moderate catalase reactors. Escherichia and Shigella strains were mostly nonreactive, with less than one-third weekly (+) reactive, whereas most Enterobacter strains tended to be weakly reactive.

How do you identify Enterobacter aerogenes?

This test consisted of stirring the bacterial growth into a tube of phenol red and urea to test for the presence of acid. After incubation the broth was still a yellow color, giving a negative result. This confirmed that Enterobacter aerogenes was the gram-negative bacterium.