Biochemical Test of Haemophilus aegyptius

Biochemical Test of Haemophilus aegyptius

Some of the characteristics are as follows:

Basic Characteristics Properties (Haemophilus aegyptius)
Capsule Negative (-ve)
Catalase Positive (+ve)
Gas Negative (-ve)
Gram Staining .Gram-negative
H2S Negative (-ve)
Hemolysis Negative (-ve)
Indole Negative (-ve)
Motility Negative (-ve)
Nitrate Reduction Positive (+ve)
Nitrite Reduction Negative (-ve)
Oxidase Positive (+ve)
Shape Long slender rods
Urease Positive (+ve)
V-factor requirement Positive (+ve)
Fermentation of
Adonitol Negative (-ve)
Arabinose Negative (-ve)
Cellobiose Negative (-ve)
Dulcitol Negative (-ve)
Erythritol Negative (-ve)
Fructose Negative (-ve)
Glucose Positive (+ve)
Glycerol Negative (-ve)
Inositol Negative (-ve)
Inulin Negative (-ve)
Lactose Negative (-ve)
Mannitol Negative (-ve)
Mannose Negative (-ve)
Melibiose Negative (-ve)
Raffinose Negative (-ve)
Rhamnose Negative (-ve)
Salicin Negative (-ve)
Sorbitol Negative (-ve)
Sorbose Negative (-ve)
Sucrose Negative (-ve)
Trehalose Negative (-ve)
Xylitol Negative (-ve)
Xylose Positive (+ve)
Enzymatic Reactions
Alkaline Phosphatase Positive (+ve)
Arginine Dihydrolase Negative (-ve)
Esculin Hydrolysis Negative (-ve)
Fucosidase Negative (-ve)
IgA1 protease Positive (+ve)
Lysine decarboxylase Negative (-ve)
Neuraminidase Positive (+ve)
ONPG (β-galactosidase) Negative (-ve)
Ornithine Decarboxylase Negative (-ve)

References

  1. Bergey’s Manual of Systematic Bacteriology Volume 2: The Proteobacteria, Part B: The Gammaproteobacteria.
  2. https://jcm.asm.org/content/jcm/11/1/22.full.pdf
  3. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC266654/
  4. https://www.ncbi.nlm.nih.gov/books/NBK8458/
  5. https://www.ncbi.nlm.nih.gov/pubmed/6979159
  6. https://www.cdc.gov/hi-disease/about/diagnosis-treatment.html

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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