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Phylum Actinobacteria, Class Actinobacteria , Subclass Actibacteridae, Order Actynomycetales, Suborder Corynebacterinae, Family
Corynebacteriaceae, Genus Corynebacterium,
Corynebacterium vitaeruminis corrig. (Bechdel et al. 1928) Laneele et al.1980, comb.
nov.

Historical synonyms:
Brevibacterium vitarumen (Bechdel et al. 1928) Breed 1957, "Flavobacterium vitarumen" Bechdel et al. 1928.
Gram-positive pleomorphic rods which exhibit moderately tapered ends on
phosphate-rich media the cells contain metachromatic granules which can be
revealed by staining with alkaline methylene blue or toluidine blue.  Non-motile.
Non-spore-forming. Mycolic acids are present.
Lemon yellow growth on Loeffler slants (medium). Raised, smooth, butyrous, yellow
colonies on chocolate agar. Black colonies on chocolate agar containing 0.03%
potassium tellurite. Aerobic to facultatively anaerobic.
Isolated from bovine rumen.
Undetermined.
  1. Laneele M.-A., Asselineau  J., Welby M., Norgard M.V., Imaeda T., Pollice M.C. and Barksdale L., 1980. Biological and Chemical
    Bases for the Reclassification of Brevibacterium vitarumen (Bechdel et al.) Breed (Approved Lists, 1980) as Corynebacterium
    vitarumen (Bechdel et al.) comb. nov. and Brevibacterium liquefaciens Okabayashi and Masuo (Approved Lists, 1980) as
    Corynebacterium liquefaciens (Okabayashi and Masuo) comb. nov. IJSB , Vol. 30, No. 3, 539-546.
Non-acid-fast. Fermentative metabolism.

Positive results for catalase, esculin hydrolysis, methyl red, nitrate reduction, pyrazinamidase, urease, Voges-Proskauer reaction,
acid production from: esculin, fructose, galactose, glucose, mannose, maltose, salicin, sucrose & trehalose.

Negative results for alkaline phosphatase, cysteine desulfhydrase, gelatin hydrolysis, hippurate hydrolysis, lysine decarboxylase,
ornithine decarboxylase, acid production from: glycerol, inositol, lactose, mannitol & starch.
Corynebacterium vitaeruminis
(c) Costin Stoica
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