Corynebacterium kroppenstedtii
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Actinobacteria, Class Actinobacteria, Subclass Actibacteridae, Order Actynomycetales, Suborder Corynebacterinae, Family
Corynebacteriaceae, Genus Corynebacterium,
Corynebacterium kroppenstedtii Collins, Falsen, Akervall, Sjoden and Alvarez 1998.
Gram-positive  coryneform cells, occurring as single cells or in V-shaped forms or
palisades. Non-motile. Non-spore-forming. Tuberculostearic acid is present. Mycolic
acids are not present.
Colonies on blood agar are non-pigmented, small, smooth and convex. Nonhemolytic
and CAMP-negative. Facultatively anaerobic. Grows in/at: 10% NaCl media. Can grow
at 42 ºC.
Isolated from human clinical samples. Habitat is unknown. Sensitive to cefuroxim, erythromycin, klindamycin, penicillin G and
vancomycin.
Isolated from human sputum of a patient with pulmonary disease, a brest abscess and from open-lung biopsy specimen.
  1. Collins M.D., Falsen E., Akerval E., Sjoden B. and Alvarez A., 1998. Corynebacterium kroppenstedtii sp. nov., a novel
    corynebacterium that does not contain mycolic acids. IJSB 48, 1449-1454.
  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.
Fermentative metabolism. Non-acid-fast.

Variable and weak acid production from maltose.

Positive results for esculin hydrolysis, lipophilism, pyrazinamidase, acid production from: glucose & sucrose.

Negative results for acid phosphatase, alkaline phosphatase, gelatin hydrolysis, nitrate reduction, urease, acid production from:
glycogen, lactose, mannitol, ribose & xylose.
(c) Costin Stoica
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