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Phylum Actinobacteria, Class Actinobacteria, Subclass Actibacteridae, Order Actynomycetales, Suborder Corynebacterinae, Family
Corynebacteriaceae, Genus Corynebacterium,
Corynebacterium argentoratense Riegel, Ruimy, De Briel, Prevost, Jehl, Bimet,
Christen and Monteil 1995.
Gram-positive, typical, pleomorphic coryneform rods, arranged in palisades or
V-shaped forms. Nonmotile. Nonsporing.
Colonies are cream, slightly rough, nonhemolytic, 2.0 mm in diameter after 48 h of
incubation at 37 ºC on sheep blood agar. Grow
s well under anaerobic conditions;
facultatively anaerobic.
CAMP reaction is negative.
Isolated from the human throat.
Strains isolated from patients suffering from tonsillitis has unclear clinical significance.
Gene coding for diphtheria toxin is absent.
  1. 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.
  2. 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.
  3. Riegel P., Ruimy R., De Briel D., Prevost G., Jehl F., Bimet F., Christen R. and Monteil H., 1995. Corynebacterium argentoratense
    sp. nov., from the human throat. IJSB Vol. 45, No. 3, p. 533-537.
Non-partially-acid-fast. Fermentative metabolism.

Apy-Coryne, 48 h, and APY ZYM were used for biochemical characterizaton.

Positive results for catalase, alpha-chymotrypsin, pyrazinamidase, acid production from fructose & glucose.

Negative results for DNA degradation, esculin hydrolysis, gelatine hydrolysis, beta-glucuronidase, lipophilism, nitrate reduction,
oxidase, tyrosine degradation, urease, pyrrolidonylamidase, beta-galactosidase, alpha-glucosidase, N-acetyl-beta-glucosaminidase,
acid production from: galactose, glycogen, lactose, maltose, mannitol, sucrose, trehalose & xylose.

Variable results for alkaline phosphatase, hippurate hydrolysis, starch hydrolysis, acid production from ribose.
Corynebacterium argentoratense
(c) Costin Stoica
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