Campylobacter sputorum
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Epsilonproteobacteria, Order Campylobacterales, Family Campylobacteraceae, Genus Campylobacter,
Campylobacter sputorum
(Prevot 1940) Veron and Chatelain 1973. Biovars: Sputorum, Bubulus (doubtful),  Faecalis & Paraureolyticus.
Old synonym:
Vibrio sputorum  Prevot 1940.
Gram-negative, curved or spiral rods, 0.3-0.5 x 2-4 μm, with rounded ends. Motile by
means of a single flagellum.
Colonies of 3 days-old cultures on blood agar media are 1–2 mm in diameter,
smooth, shiny, low convex, and round. Weak hemolytic activity on blood agar
(greenish hue).
Growth in broth is light and easily dispersed. Strains may be cultured under
microaerobic or anaerobic gaseous conditions. Anaerobic growth occurs in media
containing fumarate and/or formate.
No growth at 25 ºC. Can grow at 42 ºC. Grows in the presence of 0.05% sodium
fluoride, 2-4% NaCl, 1% glycine, 0,02% safranin, but not in KMnO
4 , 2% ox bile &
0.04% triphenyl-tetrazolium chloride.
Isolated from the human oral cavity, abscesses, skin lesions, the genital tract of bulls, human & animal feces (bovines, sheep, pigs).
Unknown.
  1. Don J. Brenner and J.J. Farmer III, 2001. Family I. Campylobacteraceae. In: Bergey’s Manual of Systematic Bacteriology, Second
    edition,Vol 2, part C, George M. Garrity (Editor-in-Chief), pp 1145-1168.
  2. S. L. W. On, H. I. Atabay, J. E. L. Corry, C. S. Harrington, and P. Vandamme. Emended description of Campylobacter sputorum and
    revision of its infrasubspecific (biovar) divisions, including C. sputorum biovar paraureolyticus, a urease-producing variant from
    cattle and humans. Int J Syst Bacteriol January 1998 48:195-206.
Positive results for selenite reduction, nitrate reduction, oxidase & H2S production on TSI.
Negative results for indoxyl acetate hydrolysis, alkaline phosphatase & hippurate hydrolysis. No carbohydrates fermentation.
Biovars biochemical differences: biovar Sputorum - catalase and urease negative; biovar Faecalis - catalase positive and urease
negative strains,  biovar Paraureolyticus - catalase negative and urease positive. Biovar Bubulus cannot be differentiated from biovar
Sputorum and has a questionable validity. According to On et al. strains classified previously as biovar Bubulus should be
reclassified as biovar Sputorum.
(c) Costin Stoica
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