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 attended St. Xavier’s College, Maitighar, Kathmandu, Nepal, to complete his Master of Science in Microbiology. He worked as a Lecturer at St. Xavier’s College, Maitighar, Kathmandu, Nepal, from Feb 2015 to June 2019. After teaching microbiology for more than four years, he joined the Central Department of Microbiology, Tribhuvan University, to pursue his Ph.D. in collaboration with Helmholtz-Institute for Pharmaceutical Research Saarland (HIPS), Saarbrucken, Germany. He is interested in research on actinobacteria, myxobacteria, and natural products. He has published more than 15 research articles and book chapters in international journals and well-renowned publishers.

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