| Corynebacterium kutscheri |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Actinobacteria, Class Actinobacteria, Subclass Actibacteridae, Order Actynomycetales, Suborder Corynebacterinae, Family
Corynebacteriaceae, Genus Corynebacterium, Corynebacterium kutscheri (Migula 1900) Bergey, Harrison, Breed, Hammer and
Hunton 1925.
Historical synonyms: Bacillus pseudotuberculosis murium Kutscher 1894, Bacterium kutscheri Migula 1900, Mycobacterium
pseudotuberculosis Chester 1901, Corynebacterium murium Bergey et al. 1923.
Corynebacteriaceae, Genus Corynebacterium, Corynebacterium kutscheri (Migula 1900) Bergey, Harrison, Breed, Hammer and
Hunton 1925.
Historical synonyms: Bacillus pseudotuberculosis murium Kutscher 1894, Bacterium kutscheri Migula 1900, Mycobacterium
pseudotuberculosis Chester 1901, Corynebacterium murium Bergey et al. 1923.
Irregularly staining slender rods, often clubbed and metachromatic granules are
present.
present.
Small, thin, yellowish or grayish white serrate colonies on nutrient agar. Broth is turbid
with sediment, no pellicle is produced. No hemolysis. CAMP reaction (with a beta-
hemolysin-producing strain of Staphylococcus aureus) is negative. Aerobically
growing (best) and facultatively anaerobic.
with sediment, no pellicle is produced. No hemolysis. CAMP reaction (with a beta-
hemolysin-producing strain of Staphylococcus aureus) is negative. Aerobically
growing (best) and facultatively anaerobic.
It's a frequent commensal in mice, rats and voles, which may develop extensive pseudotuberculous lesions if they are
immunocompromised.
immunocompromised.
Voles (rodents) may develop extensive pseudotuberculous lesions if they are immunocompromised.
- Funke G., von Graevenitz A., Clarridge III J.E., and Bernard K.A., 1997. Clinical Microbiology of Coryneform Bacteria. Clinical
Microbiology Rewiews Vol. 10, No. 1, p. 125-159. - Funke G., 2006. Corynebacteria and rare coryneforms. In: Topley & Wilson’s Microbiology & Microbial Infections, 10th Edition,
Edited by Borriello S.P., Murray P.R. and Funke G.,Edward Arnold (Publishers) Ltd., Bacteriology, volume 2. - Cummins C.S., Lelliott R.A. and Rogosa M., 1975. Genus Corynebacterium Lehmann and Neumann 1896 . In: Buchanan R.E.
and Gibbons N.E. (Editors), Bergey’s Manual of Determinative Bacteriology, Eight Edition, The Williams & Wilkins Company,
Baltimore, 602-617. - Holt J.G., Krieg N.R., Sneath P.H.A., Staley J.T. and Williams S.T., 1994. Bergey's Manual of Determinative Bacteriology, Ninth
Edition, Williams & Wilkins, A Waverly Company, Baltimore, pp 571-596.
Fermentative metabolism. No oxidative metabolism. Non-partially-acid-fast.
Positive results for catalase, esculin hydrolysis, hippurate hydrolysis, potassium tellurite reduction, urease, acid production from:
dextrin, fructose, galactose, glucose, maltose, mannose, salicin, starch & sucrose.
Negative results for alkaline phosphatase, casein hydrolysis, gelatinase, lipophilism, methyl red, tyrosine hydrolysis, acid production
from: arabinose, lactose, mannitol, raffinose, rhamnose & xylose.
Variable results for nitrate reduction, pyrazinamidase & acid production from trehalose.
Positive results for catalase, esculin hydrolysis, hippurate hydrolysis, potassium tellurite reduction, urease, acid production from:
dextrin, fructose, galactose, glucose, maltose, mannose, salicin, starch & sucrose.
Negative results for alkaline phosphatase, casein hydrolysis, gelatinase, lipophilism, methyl red, tyrosine hydrolysis, acid production
from: arabinose, lactose, mannitol, raffinose, rhamnose & xylose.
Variable results for nitrate reduction, pyrazinamidase & acid production from trehalose.
(c) Costin Stoica
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