Biochemical Test of Corynebacterium diphtheriae

Biochemical Test of Corynebacterium diphtheriae

Biochemical Test of Corynebacterium diphtheriae
Basic CharacteristicsProperties (Corynebacterium diphtheriae)
CAMPNegative (-ve)
CapsuleNon-Capsulated
CatalasePositive (+ve)
Cetrimide TestNegative (-ve)
CitrateNegative (-ve)
CoagulaseNegative (-ve)
FlagellaNon-Flagellated
GasVariable
Gelatin HydrolysisNegative (-ve)
Gram StainingPositive (+ve)
H2SPositive (+ve)
HemolysisWeak Beta hemolysis
IndoleNegative (-ve)
MotilityNon-Motile
MR (Methyl Red)Positive (+ve)
Nitrate ReductionPositive (+ve)
OF (Oxidative-Fermentative)Fermentative
OxidaseNegative (-ve)
PigmentPositive (+ve)
ShapeRod/Club Shaped
SporeNon-Sporing
UreaseNegative (-ve)
Fermentation of
ArabinosePositive (+ve)
DextrosePositive (+ve)
FructosePositive (+ve)
GalactosePositive (+ve)
GlucosePositive (+ve)
GlycogenNegative (-ve)
HippurateNegative (-ve)
LactoseNegative (-ve)
MaltosePositive (+ve)
MannitolNegative (-ve)
MannosePositive (+ve)
RaffinoseVariable
RhamnosePositive (+ve)
SalicinPositive (+ve)
StarchNegative (-ve)
SucroseNegative (-ve)
TrehaloseNegative (-ve)
XyloseNegative (-ve)
Enzymatic Reactions
Alkaline PhosphataseNegative (-ve)
Casein HydrolysisNegative (-ve)
Esculin HydrolysisNegative (-ve)
Ornithine DecarboxylaseNegative (-ve)
TelluritePositive (+ve)
Tyrosine HydrolysisNegative (-ve)

About Author

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Sagar Aryal

Sagar Aryal is a microbiologist and a scientific blogger. He is currently doing his Ph.D. from the Central Department of Microbiology, Tribhuvan University in collaboration with Helmholtz-Institute for Pharmaceutical Research Saarland (HIPS), Saarbrucken, Germany. He did his M.Sc. in Microbiology and B.Sc. in Microbiology from St. Xavier’s College, Kathmandu, Nepal. He worked as a Lecturer at St. Xavier’s College, Maitighar, Kathmandu, Nepal, from March 2017 to June 2019. He is interested in research on actinobacteria, myxobacteria, and natural products. He has published more than 15 research articles and book chapters in international journals and well-renowned publishers.

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