Biochemical Test of Actinomyces israelii

Biochemical Test of Actinomyces israelii

Basic CharacteristicsProperties (Actinomyces israelii)
CAMP-ve
Capsule-ve
Catalase-ve
FlagellaNegative (-ve)
Gelatin Hydrolysis-ve
Gram StainingGram +ve
H2SPositive (+ve)
Hemolysis-ve
Indole-ve
Motility-ve
MR (Methyl Red)Variable
Nitrate ReductionVariable
OF (Oxidative-Fermentative)Fermentative, Anaerobic
Pigment-ve
ShapeBranching filaments, branched rods and
diphtheroidal forms
Urease-ve
VP (Voges Proskauer)-ve
Fermentation of
AdonitolNegative (-ve)
ArabinosePositive (+ve)
Cellobiose+ve
DNase-ve
Dulcitol-ve
ErythritolNegative (-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
Acid PhosphataseVariable
Alkaline PhosphataseNegative (-ve)
Arginine DihydrolasePositive (+ve)
Casein Hydrolysis-ve
Esculin Hydrolysis+ve
α -Fucosidase-ve
α-Glucosidase+ve
Lipase-ve
LysinePositive (+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.

About Author

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Sagar Aryal

Sagar Aryal is a microbiologist and a scientific blogger. He is doing his Ph.D. at the Central Department of Microbiology, Tribhuvan University, Kathmandu, Nepal. He was awarded the DAAD Research Grant to conduct part of his Ph.D. research work for two years (2019-2021) at Helmholtz-Institute for Pharmaceutical Research Saarland (HIPS), Saarbrucken, Germany. Sagar is interested in research on actinobacteria, myxobacteria, and natural products. He is the Research Head of the Department of Natural Products, Kathmandu Research Institute for Biological Sciences (KRIBS), Lalitpur, Nepal. Sagar has more than ten years of experience in blogging, content writing, and SEO. Sagar was awarded the SfAM Communications Award 2015: Professional Communicator Category from the Society for Applied Microbiology (Now: Applied Microbiology International), Cambridge, United Kingdom (UK).

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