Biochemical Test of Haemophilus aegyptius

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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)

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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 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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