Biochemical Test and Identification of Serratia marcescens

­Basic Characteristics Properties (Serratia marcescens)
CapsuleNegative (-ve)
CatalasePositive (+ve)
CitratePositive (+ve)
FlagellaPositive (+ve)
GasVariable
Gelatin HydrolysisPositive (+ve)
Gram StainingNegative (-ve)
H2SNegative (-ve)
IndoleNegative (-ve)
MotilityPositive (+ve)
MR (Methyl Red)Negative (-ve)
Nitrate ReductionPositive (+ve)
OF (Oxidative-Fermentative)Facultative Anaerobes
OxidaseNegative (-ve)
PigmentPositive (+ve)
ShapeRods
SporeNegative (-ve)
UreasePositive (+ve)
VP (Voges Proskauer)Positive (+ve)
Fermentation of
AdonitolPositive (+ve)
ArabinoseNegative (-ve)
ArabitolVariable
CellobioseNegative (-ve)
DNasePositive (+ve)
DulcitolNegative (-ve)
ErythritolVariable
FructosePositive (+ve)
FumaratePositive (+ve)
GalactosePositive (+ve)
GlucosePositive (+ve)
GlycerolPositive (+ve)
LactoseNegative (-ve)
MalonateNegative (-ve)
MaltosePositive (+ve)
MannitolPositive (+ve)
MannosePositive (+ve)
MelibioseNegative (-ve)
MucateNegative (-ve)
MyoInositolPositive (+ve)
RaffinoseNegative (-ve)
RhamnoseNegative (-ve)
RibosePositive (+ve)
SalicinPositive (+ve)
SorbitolPositive (+ve)
SucrosePositive (+ve)
TartrateNegative (-ve)
TrehalosePositive (+ve)
XyloseNegative (-ve)
Enzymatic Reactions
Acetate UtilizationVariable
Aesculine HydrolysisPositive (+ve)
Arginine DehydrolaseNegative (-ve)
Casein HydrolysisPositive (+ve)
Esculin HydrolysisPositive (+ve)
LipasePositive (+ve)
Lysine decarboxylasePositive (+ve)
ONPG (β-galactosidase)Positive (+ve)
Ornithine DecarboxylasePositive (+ve)
Phenylalanine DeaminaseNegative (-ve)
Tween 80 hydrolysisPositive (+ve)
Tryptophan DeaminaseNegative (-ve)
Tyrosine HydrolysisVariable

Leave a Comment