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 |
Table of Contents 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.