| Helicobacter pullorum |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Epsilonproteobacteria, Order Campylobacterales, Family Helicobacteraceae, Genus
Helicobacter, Helicobacter pullorum Stanley et al. 1995.
Helicobacter, Helicobacter pullorum Stanley et al. 1995.
Gram-negative, slightly curved rods, 0.3-0.5 x 3-4 μm. Motile by means of a single,
unsheathed, polar flagellum.
unsheathed, polar flagellum.
Colonies are pinpoint to 1 mm in diameter, nonpigmented, smooth, and translucent
after 3 days incubation on blood agar at 37 ºC. Alpha-hemolytic. Most strains grow at
42 ºC and on 1% bile media under microaerobic conditions. Most strains are
resistant to cephalothin (32 mg/l) and cefoperazone (64 mg/l) but not to nalidixic acid.
after 3 days incubation on blood agar at 37 ºC. Alpha-hemolytic. Most strains grow at
42 ºC and on 1% bile media under microaerobic conditions. Most strains are
resistant to cephalothin (32 mg/l) and cefoperazone (64 mg/l) but not to nalidixic acid.
Isolated from the ceca of asymptomatic broiler chickens, the liver and intestinal contents of chickens suffering from vibrionic hepatitis,
and from human diarrhea.
and from human diarrhea.
Undetermined.
- George M. Garrity, Julia A. Bell and Timothy Lilburn, 2001. Family II. Helicobacteraceae. In: Bergey’s Manual of Systematic
Bacteriology, Second edition, Vol 2, part C, George M. Garrity (Editor-in-Chief), pp 1168-1195. - John Stanley, Dennis Linton, André P. Burnens, Floyd E. Dewhirst, Stephen L. W. On, Anthony Porter, Robert J. Owen, and
Menelaos Costas. Helicobacter pullorum sp. nov. - genotype and phenotype of a new species isolated from poultry and from
human patients with gastroenteritis. Microbiology December 1994 140:3441-3449.
Positive results for catalase (most strains), nitrate reduction and hydrogen sulfide.
Negative results for urease and indoxyl acetate hydrolysis.
Negative results for urease and indoxyl acetate hydrolysis.
(c) Costin Stoica
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