Question

Klebsiella aerogenes (Gram negative)

a. glucose fermenter

b. oxygen (FA or OA)

c. glucose fermenter

d. hydrogen sulfide

e. nitrate to nitrite

f. esculin hydrolysis

g. starch hydrolysis

h. lysine decarboxylase

i. gas from glucos

j. lactose

k.D - mannitol

l. sucrose

Answer 1

Klebsiella aerogenes also called as Enterobacter aerogenes is a gram negative bacteria.

1. It is a glucose fermenter.
2. Facultative anaerobe.
3. Donot produce Hydrogen sulphide i.e. H2S negative.
4. It can convert nitrate to nitrite.
5. Esculin hydrolysis is positive.
6. Starch hydrolysis is negative, starch cannot be hydrolysed.
7. Lysine decarboxylase negative.
8. Both gas and acid released from glucose fermentation.
9. It can ferment lactose.
10. It can ferment D- mannitol.
11. It can ferment sucrose.

​​​​​​​Fermentation of these sugars lead to production of acid and gas.