Biochemical Test of Enterococcus faecium

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Last Updated on February 4, 2021 by Sagar Aryal

Biochemical Test of Enterococcus faecium

Some of the characteristics are as follows:

Basic CharacteristicsProperties (Enterococcus faecium)
40% Bile SaltsPositive (+ve)
CapsuleNegative (-ve)
CatalaseNegative (-ve)
CitrateNegative (-ve)
Gelatin HydrolysisNegative (-ve)
Gram StainingGram-positive
H2SNegative (-ve)
HemolysisVariable
0.1% Methylene blue milkPositive (+ve)
MotilityNegative (-ve)
6.5% NaClPositive (+ve)
PigmentNegative (-ve)
ShapeCocci
SporeNegative (-ve)
VP (Voges Proskauer)Positive (+ve)

Fermentation of

AdonitolNegative (-ve)
ArabinosePositive (+ve)
ArabitolNegative (-ve)
ArbutinPositive (+ve)
CellobiosePositive (+ve)
DulcitolNegative (-ve)
ErythritolNegative (-ve)
FructosePositive (+ve)
FucoseNegative (-ve)
GalactosePositive (+ve)
Beta- GentiobiosePositive (+ve)
GlucosePositive (+ve)
GlycerolVariable
GlycogenNegative (-ve)
HippurateVariable
InositolNegative (-ve)
LactosePositive (+ve)
MalateNegative (-ve)
MaltosePositive (+ve)
MannitolVariable
MannosePositive (+ve)
MelibioseVariable
RaffinoseVariable
RhamnoseVariable
SorbitolVariable
StarchNegative (-ve)
SucroseVariable
TrehaloseVariable
XyloseVariable

Enzymatic Reactions

Alkaline PhosphataseNegative (-ve)
Arginine DehydrolasePositive (+ve)
Esculin HydrolysisPositive (+ve)
ONPG (β-galactosidase)Positive (+ve)
Pyrrolidonyl aminopeptidasePositive (+ve)
TelluriteNegative (-ve)

References

  1. Bergey, D H, William B. Whitman, Vos P. De, George M. Garrity, and D Jones. Bergey’s Manual of Systematic Bacteriology: Vol. 3. New York: Springer, 2009. Print.
  2. Manero, A., & Blanch, A. R. (1999). Identification of Enterococcus spp. with a biochemical key. Applied and environmental microbiology65(10), 4425-30.
  3. https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0059491
  4. https://www.dairyscience.info/entero-key.htm

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