| Campylobacter avium |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Epsilonproteobacteria, Order Campylobacterales, Family Campylobacteraceae,
Genus Campylobacter, Campylobacter avium Rossi et al. 2009.
Genus Campylobacter, Campylobacter avium Rossi et al. 2009.
Gram-negative, spiral, 0.2-0.4 x 1-3 mm rods. Motile. Coccoid cells may appear after
4-5 days of incubation.
4-5 days of incubation.
Colonies on Brucella sheep blood agar at 37 ºC after 48 h under microaerobic
conditions are flat, greyish and finely granular with an irregular edge and show a
tendency to spread along the direction of the streak and swarming. Nonhemolytic.
Microaerobic; no growth in aerobic or anaerobic conditions. Grow at 37 - 42 ºC, but not
at 25 ºC.
Most strains grow in the presence of 1% (w/v) bile. No growth occurs on nutrient agar
without blood, on MacConkey agar or in the presence of 1% (w/v) glycine or 2% (w/v)
NaCl.
conditions are flat, greyish and finely granular with an irregular edge and show a
tendency to spread along the direction of the streak and swarming. Nonhemolytic.
Microaerobic; no growth in aerobic or anaerobic conditions. Grow at 37 - 42 ºC, but not
at 25 ºC.
Most strains grow in the presence of 1% (w/v) bile. No growth occurs on nutrient agar
without blood, on MacConkey agar or in the presence of 1% (w/v) glycine or 2% (w/v)
NaCl.
Isolated from caecal contents of broiler chickens and a turkey.
Susceptible to nalidixic acid (30 mg) and resistant to cephalothin (30 mg) by disc diffusion tests.
Susceptible to nalidixic acid (30 mg) and resistant to cephalothin (30 mg) by disc diffusion tests.
Undetermined.
- Mirko Rossi, Lies Debruyne, Renato Giulio Zanoni, Gerardo Manfreda, Joana Revez, and Peter Vandamme. Campylobacter
avium sp. nov., a hippurate-positive species isolated from poultry. Int J Syst Evol Microbiol September 2009 59:2364-2369.
Positive results for catalase (weak), oxidase, hippurate hydolysis, indoxyl acetate hydrolysis & nitrate reduction.
Negative results for urease, H2S production on TSI, gamma-glutamyltranspeptidase, alkaline phosphatase, selenite reduction,
triphenyl-tetrazolium chloride reduction. No carbohydrates fermentation.
Negative results for urease, H2S production on TSI, gamma-glutamyltranspeptidase, alkaline phosphatase, selenite reduction,
triphenyl-tetrazolium chloride reduction. No carbohydrates fermentation.
(c) Costin Stoica
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