| Clostridium aldenense |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Clostridia, Order Eubacteriales, Family Clostridiaceae, Genus Clostridium, Cluster I
(Clostridium sensu stricto), Clostridium aldenense Warren, Tyrrell, Citron and Goldstein 2007.
(Clostridium sensu stricto), Clostridium aldenense Warren, Tyrrell, Citron and Goldstein 2007.
Gram-negative rods, 0.8-1.1 x 2-5 µm, spores only rarely formed.
Colonies are 1–2 mm in diameter, flat, opaque to white, and nonhemolytic on
Brucella blood agar plates after 48 hours incubation at 37 ºC.
Brucella blood agar plates after 48 hours incubation at 37 ºC.
Isolated from human clinical infections.
Isolated from human clinical infections.
- N.A. Logan and P. De Vos, 2009. Genus I. Clostridium Prazmowski 1880. In: (Eds.) P.D. Vos, G. Garrity, D. Jones, N.R. Krieg, W.
Ludwig, F.A. Rainey, K.-H. Schleifer, W.B. Whitman. Bergey’s Manual of Systematic Bacteriology, Volume 3: The Firmicutes,
Springer, 738-828. - Warren Y.A., Tyrrell L., Citron D.M. and Goldstein E.J.C., 2006. Clostridium aldenense sp. nov. and Clostridium citroniae sp. nov.
Isolated from Human Clinical Infections. J.Clin. Microb. 44,7, 2416-2422.
Positive results for indole production, alpha-galactosidase, beta-galactosidase,
substrate utilization and/or acid production from: glucose, maltose, mannose,
raffinose, sucrose and xylose.
Negative results for nitrate reduction, gelatin hydrolysis, starch hydrolysis, urease,
arginine dihydrolase, alpha-glucosidase, beta-glucosidase, substrate utilization
and/or acid production from: cellobiose, esculin, mannitol, melezitose, rhamnose, sorbitol and starch.
Variable results for esculin hydrolysis, alkaline phosphatase, substrate utilization and/or acid production from: arabinose, lactose,
salicin and trehalose.
substrate utilization and/or acid production from: glucose, maltose, mannose,
raffinose, sucrose and xylose.
Negative results for nitrate reduction, gelatin hydrolysis, starch hydrolysis, urease,
arginine dihydrolase, alpha-glucosidase, beta-glucosidase, substrate utilization
and/or acid production from: cellobiose, esculin, mannitol, melezitose, rhamnose, sorbitol and starch.
Variable results for esculin hydrolysis, alkaline phosphatase, substrate utilization and/or acid production from: arabinose, lactose,
salicin and trehalose.
(c) Costin Stoica
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