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Phylum Actinobacteria, Class Actinobacteria , Subclass Actibacteridae, Order Actynomycetales, Suborder Corynebacterinae, Family
Corynebacteriaceae, Genus Corynebacterium,
Corynebacterium caspium  Collins, Hoyles, Foster and Falsen 2004.

Description is based on a single isolate.
Gram-positive irregular-shaped tapered rods and clubs. Mycolic acids are absent.
Nonspore-forming. Nonmotile.
Grows aerobically at 37 ºC on Columbia agar (Oxoid) supplemented with 5 % sheep
blood: colonies were 0.5 mm in diameter after 24 h, increasing to 2 mm at 72 h, and
were circular, convex, entire, opaque and dull. Non-haemolytic. CAMP-negative. Can
grow at 22 and 42 ºC.
Isolated, in mixed culture  with Atopobacter phocae and Streptococcus dysgalactiae, from the penis of a Caspian seal (Phoca
caspica
). Habitat is not known.
Undetermined.
  1. Collins M.D., Hoyles L., Foster G. and Falsen E., 2004. Corynebacterium caspium sp. nov., from a Caspian seal (Phoca caspica).
    IJSEM 54, 925-928.
Non acid-fast. Fermentative metabolism. Most biochemical reactions were determined
by API ZYM and API Coryne tests.

Positive results for catalase, esterase C-4, esterase lipase C-8, pyrazinamidase, trypsin, urease, acid production from: glucose &
ribose.

Negative results for acid phosphatase, alkaline phosphatase, esculin hydrolysis, gelatin hydrolysis, beta-galactosidase,
alpha-glucosidase, beta-glucuronidase, lipophilism, nitrate reduction, oxidase, acid production from: glycogen, lactose, maltose,
mannitol, sucrose & xylose.
Corynebacterium caspium
(c) Costin Stoica
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