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 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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