Biochemical Test of Yersinia pestis

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Last Updated on January 10, 2020 by Sagar Aryal

Biochemical Test of Yersinia pestis

Basic CharacteristicsProperties (Yersinia pestis)
CapsulePositive (+ve)
CatalasePositive (+ve)
CitrateNegative (-ve)
FlagellaNon-Flagellated
GasNegative (-ve)
Gelatin HydrolysisNegative (-ve)
Gram StainingNegative (-ve)
Growth in KCNNegative (-ve)
H2SNegative (-ve)
HemolysisNegative (-ve)
IndoleNegative (-ve)
MotilityNon-Motile
MR (Methyl Red)Positive (+ve)
Nitrate ReductionPositive (+ve)
OF (Oxidative-Fermentative)Facultative anaerobes
OxidaseNegative (-ve)
PigmentNegative (-ve)
ShapeRods
SporeNegative (-ve)
UreaseNegative (-ve)
VP (Voges Proskauer)Negative (-ve)

Fermentation of

AdonitolNegative (-ve)
ArabinosePositive (+ve)
CellobiosePositive (+ve)
DNaseNegative (-ve)
DulcitolNegative (-ve)
GlucosePositive (+ve)
GlycerolVariable
LactoseNegative (-ve)
MalonateNegative (-ve)
MaltosePositive (+ve)
MannitolPositive (+ve)
MannosePositive (+ve)
MelibioseVariable
MucateNegative (-ve)
MyoInositolNegative (-ve)
RaffinoseNegative (-ve)
RhamnoseNegative (-ve)
SalicinVariable
SorbitolVariable
SorboseNegative (-ve)
SucroseNegative (-ve)
TartrateNegative (-ve)
TrehalosePositive (+ve)
XylosePositive (+ve)

Enzymatic Reactions

Acetate UtilizationNegative (-ve)
Aesculine HydrolysisPositive (+ve)
Arginine DehydrolaseNegative (-ve)
LipaseNegative (-ve)
LysineNegative (-ve)
ONPG (β-galactosidase)Positive (+ve)
Ornithine DecarboxylaseNegative (-ve)
Phenylalanine DeaminaseNegative (-ve)

Scanning electron microscope image of Yersinia pestis

Figure: Scanning electron microscope image of Yersinia pestis. Source: www.mirror.co.uk

Biochemical Test of Yersinia pestis

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