Biochemical Test of Campylobacter fetus subsp. fetus

Biochemical Test of Campylobacter fetus subsp. fetus

Basic Characteristics Properties (Campylobacter fetus subsp. fetus)
Capsule Capsule like surface (S-layer) proteins
Catalase Positive (+ve)
Gram Staining Gram-negative
KMnO4 Positive (+ve)
H2S Negative (-ve)
Hemolysis Negative (-ve)
Motility Positive (+ve)
2% NaCl Positive (+ve)
Nitrate Reduction Positive (+ve)
2% Ox-bile Positive (+ve)
Oxidase Positive (+ve)
0.02% Safranin Positive (+ve)
Shape Slender curved rods; comma-, S-, and gull-shaped; ends of the cells

are pointed.

Spore Negative (-ve)
Urease Negative (-ve)
Fermentation of
Arabinose Negative (-ve)
Galactose Negative (-ve)
Glucose (8%) Positive (+ve)
1% Glycine Positive (+ve)
Hippurate Negative (-ve)
Indoxyl acetate hydrolysis Negative (-ve)
Lactose Negative (-ve)
Maltose Negative (-ve)
Mannose Negative (-ve)
Raffinose Negative (-ve)
Rhamnose Negative (-ve)
Sucrose Negative (-ve)
Enzymatic Reactions
Hippucase Negative (-ve)


  1. Brenner, D. J., Krieg, N. R., Garrity, G. M., & Staley, J. T. (2005). Bergey’s manual of systematic bacteriology: Volume two. New York: Springer.
  9. Briedis, D. J., Khamessan, A., McLaughlin, R. W., Vali, H., Panaritou, M., & Chan, E. C. (2002). Isolation of Campylobacter fetus subsp. fetus from a patient with cellulitis. Journal of clinical microbiology40(12), 4792-6.

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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