Biochemical Test of Actinomyces israelii

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Last Updated on February 4, 2021 by Sagar Aryal

Biochemical Test of Actinomyces israelii

Basic CharacteristicsProperties (Actinomyces israelii)
CAMP-ve
Capsule-ve
Catalase-ve
Gelatin Hydrolysis-ve
Gram StainingGram +ve
Hemolysis-ve
Indole-ve
Motility-ve
MR (Methyl Red)Variable
Nitrate ReductionVariable
OF (Oxidative-Fermentative)Fermentative
Pigment-ve
ShapeBranching filaments, branched rods

and diphtheroidal forms

Urease-ve
VP (Voges Proskauer)-ve

Fermentation of

Cellobiose+ve
DNase-ve
Dulcitol-ve
Fructose+ve
Galactose+ve
Glucose+ve
GlycogenVariable
Hippurate-ve
InositolVariable
Lactose+ve
Maltose+ve
Mannitol+ve
Mannose+ve
MelibioseVariable
MyoInositolVariable
Raffinose+ve
Rhamnose-ve
RiboseVariable
SalicinVariable
SorbitolVariable
Starch-ve
Sucrose+ve
TrehaloseVariable
Xylose+ve

Enzymatic Reactions

Acetoin Production-ve
Casein Hydrolysis-ve
Esculin Hydrolysis+ve
α -Fucosidase-ve
α-Glucosidase+ve
Lipase-ve
β-NAG-ve
ONPG (β-galactosidase)+ve

References

  1. Michael Goodfellow et.al, editors, volume 5; William B. Whitman, director of the editorial office; Aidan C. Parte, managing editor. (2012). Bergey’s manual of systematic bacteriology. Volume 5, The actinobacteria. New York :Springer
  2. https://www.britannica.com/science/Actinomyces-israeli
  3. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC276822/
  4. Sarkonen, N., Könönen, E., Summanen, P., Könönen, M., & Jousimies-Somer, H. (2001). Phenotypic identification of Actinomyces and related species isolated from human sources. Journal of clinical microbiology, 39(11), 3955-61.
  5. Slack, J. M., Landfried, S., & Gerencser, M. A. (1969). Morphological, biochemical, and serological studies on 64 strains of Actinomyces israelii. Journal of bacteriology, 97(2), 873-84.

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