Biochemical Test of Corynebacterium diphtheriae

Biochemical Test of Corynebacterium diphtheriae

Biochemical Test of Corynebacterium diphtheriae
Basic CharacteristicsProperties (Corynebacterium diphtheriae)
CAMPNegative (-ve)
CatalasePositive (+ve)
Cetrimide TestNegative (-ve)
CitrateNegative (-ve)
CoagulaseNegative (-ve)
Gelatin HydrolysisNegative (-ve)
Gram StainingPositive (+ve)
H2SPositive (+ve)
HemolysisWeak Beta hemolysis
IndoleNegative (-ve)
MR (Methyl Red)Positive (+ve)
Nitrate ReductionPositive (+ve)
OF (Oxidative-Fermentative)Fermentative
OxidaseNegative (-ve)
PigmentPositive (+ve)
ShapeRod/Club Shaped
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)
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 attended St. Xavier’s College, Maitighar, Kathmandu, Nepal, to complete his Master of Science in Microbiology. He worked as a Lecturer at St. Xavier’s College, Maitighar, Kathmandu, Nepal, from Feb 2015 to June 2019. After teaching microbiology for more than four years, he joined the Central Department of Microbiology, Tribhuvan University, to pursue his Ph.D. in collaboration with Helmholtz-Institute for Pharmaceutical Research Saarland (HIPS), Saarbrucken, Germany. 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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