Biochemical Test and Identification of Enterobacter cloacae

Basic CharacteristicsProperties (Enterobacter cloacae)
CapsuleNegative (-ve)
CatalasePositive (+ve)
CitratePositive (+ve)
FlagellaPositive (+ve)
Gas from glucosePositive (+ve)
Gelatin HydrolysisNegative (-ve)
Gram StainingNegative (-ve)
Growth in KCNPositive (+ve)
H2SNegative (-ve)
IndoleNegative (-ve)
MR (Methyl Red)Negative (-ve)
Nitrate ReductionPositive (+ve)
OF (Oxidative-Fermentative)Facultative Anaerobes
OxidaseNegative (-ve)
PigmentNegative (-ve)
SporeNegative (-ve)
UreaseNegative (-ve)
VP (Voges Proskauer)Positive (+ve)
Fermentation of
AdonitolNegative (-ve)
ArabinosePositive (+ve)
CellobiosePositive (+ve)
DNaseNegative (-ve)
DulcitolNegative (-ve)
Meso-ErythritolNegative (-ve)
GlucosePositive (+ve)
LactoseNegative (-ve)
MaltosePositive (+ve)
D-MannitolPositive (+ve)
D-MannosePositive (+ve)
MelibiosePositive (+ve)
MucatePositive (+ve)
MyoInositolNegative (-ve)
RaffinosePositive (+ve)
RhamnosePositive (+ve)
SalicinPositive (+ve)
D-SorbitolPositive (+ve)
SucrosePositive (+ve)
TrehalosePositive (+ve)
XylosePositive (+ve)
Enzymatic Reactions
Acetate UtilizationPositive (+ve)
Aesculine HydrolysisVariable
Arginine decarboxylasePositive (+ve)
Esculin HydrolysisVariable
LipaseNegative (-ve)
Lysine decarboxylasesNegative (-ve)
ONPG (β-galactosidase)Positive (+ve)
Ornithine DecarboxylasePositive (+ve)
Pectate degradationNegative (-ve)
Phenylalanine DeaminaseNegative (-ve)
Tryptophan DeaminaseNegative (-ve)

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3 thoughts on “Biochemical Test and Identification of Enterobacter cloacae”

  1. It’s stated above that enterobacter doesn’t ferment lactose yet it appears as LF on a MAC. I’m correlating this with my micro notes so it’s kinda confusing to see that here, any explanation?


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