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Phylum Actinobacteria, Class Actinobacteria, Subclass Actibacteridae, Order Actynomycetales, Suborder Corynebacterinae, Family
Corynebacteriaceae, Genus Corynebacterium,
Corynebacterium marinum Du, Jordan, Rooney, Chen and Austin 2010.

Description is based on a single isolate.
Gram-positive, short, diphtheroid rods; some cells are arranged in a V formation.
Non-spore-forming. Non-motile.
Colonies on MA (marine agar 2216E, Difco) medium are erose, convex, yellow,
creamy and 0.5
-1.5 mm in diameter after 48 h at 28 ºC. Lyses horse blood cells.
Grows at 4-37 ºC; 30-32 ºC optimum. Grows in 0-8% NaCl (optimum 1%).
Facultatively anaerobic.
Isolated from coastal sediment close to a coal-fired power station in Qingdao, China. Resistant to cotrimoxazole, tetracycline, nalidixic
acid, nitrofurantoin, sulphamethizole. Sensitive to ampicillin, chloramphenicol, gentamycin, kanamycin, carbenicillin and streptomycin.
Undetermined.
  1. Du Z.J., Jordan E.M., Rooney A.P., Chen G.J. and Austin B., 2010. Corynebacterium marinum sp. nov. isolated from coastal
    sediment. IJSEM 60, 1944-1947.
Most results are based on API CORYNE (3200127), API 50 CH and API ZYM tests.

Positive results for catalase, casein hydrolysis, alpha-chymotrypsin, beta-glucuronidase, nitrate reduction, pyrazinamidase, starch
hydrolysis, Tweens 20-80 hydrolysis, Voges-Proskauer reaction, acid production from: glucose, glycogen, maltose & sucrose.

Negative results for alkaline phosphatase, acid phosphatase, aesculin hydrolysis, esterase lipase (C4), beta-galactosidase, alpha-
and beta-glucosidase, N-acetyl-beta-glucosaminidase, gelatin hydrolysis, lipase, methyl red, oxidase, trypsin, urease, acid production
from: lactose, mannitol, ribose & xylose.
Corynebacterium marinum
(c) Costin Stoica
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