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Phylum Actinobacteria, Class Actinobacteria, Subclass Actibacteridae, Order Actynomycetales, Suborder Corynebacterinae, Family
Corynebacteriaceae, Genus Corynebacterium,
Corynebacterium tuscaniense corrig. Riegel, Creti, Mattei, Nieri and von Hunolstein
2006.

Old synonym:
Corynebacterium tuscaniae.
Gram-positive typically club-shaped rods. Non-motile. Non-spore-forming. Mycolic
acids are produced.
Colonies on sheep blood agar are circular with entire edges and whitish. Optimum
growth temperature is 37 ºC. Non-haemolytic. CAMP-negative. Grows aerobically and
in the presence of a 5% CO
2-enriched atmosphere.
Isolated from the blood of a patient with endocarditis. Sensitive to amoxicillin, tetracycline, rifampicin, vancomycin, gentamicin,
cefotaxime, pristinamycin, ciprofloxacin and erythromycin. Resistant to ceftazidime and fosfomycin.
The type strain was isolated from the blood of a patient with endocarditis.
  1. Riegel P., Creti R., Mattei R., Nieri A. and von Hunolstein C., 2006.  Isolation of Corynebacterium tuscaniae sp. nov. from Blood
    Cultures of a Patient with Endocarditis. J. Clin. Microbiol. Vol. 44, No. 2, 307-312.
  2. LISTS EDITOR, IJSEM: Validation List no. 111 (footnote ‡). Int. J. Syst. Evol. Microbiol., 2006,56, 2025-2027.
Description is based on API CORYNE test.
Non-acid-alcohol fast. Fermentative metabolism.

Positive results for alkaline phosphatase, catalase, hippurate hydrolysis, pyrazinamidase, acid production from: glucose & maltose.

Negative results for esculin hydrolysis, esterase (C4), gelatin hydrolysis, beta-glucuronidase, beta-galactosidase, alpha- and
beta-glucosidase, N-acetyl-beta-glucosaminidase, lipophilism, nitrate reduction, pyrrolidonyl arylamidase, tyrosine hydrolysis,
urease, acid production from: glycogen, lactose, mannitol, ribose, sucrose & xylose.
Corynebacterium tuscaniense
(c) Costin Stoica
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