Biochemical Test of Actinomyces israelii

Basic Characteristics	*Properties (Actinomyces israelii)*
CAMP	-ve
Capsule	-ve
Catalase	-ve
Gelatin Hydrolysis	-ve
Gram Staining	Gram +ve
Hemolysis	-ve
Indole	-ve
Motility	-ve
MR (Methyl Red)	Variable
Nitrate Reduction	Variable
OF (Oxidative-Fermentative)	Fermentative
Pigment	-ve
Shape	Branching 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
Glycogen	Variable
Hippurate	-ve
Inositol	Variable
Lactose	+ve
Maltose	+ve
Mannitol	+ve
Mannose	+ve
Melibiose	Variable
MyoInositol	Variable
Raffinose	+ve
Rhamnose	-ve
Ribose	Variable
Salicin	Variable
Sorbitol	Variable
Starch	-ve
Sucrose	+ve
Trehalose	Variable
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

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
https://www.britannica.com/science/Actinomyces-israeli
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC276822/
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.
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.

Share the article on: