| Clostridium celerecrescens |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Clostridia, Order Eubacteriales, Family Clostridiaceae, Genus Clostridium, Cluster XIVa
(non-Clostridium sensu stricto), Clostridium celerecrescens Palop, Valles, Pinaga and Flors 1989 emeded Chamkha, Garcia and
Labat 2001.
(non-Clostridium sensu stricto), Clostridium celerecrescens Palop, Valles, Pinaga and Flors 1989 emeded Chamkha, Garcia and
Labat 2001.
Gram-positive (decolorize readily in older cultures), straight to slightly curved rods,
0.5-0.8 x 2.0-4.0 µm. Motile by peritrichous flagella. Spores are sphaerical, terminal,
swelling the cell.
0.5-0.8 x 2.0-4.0 µm. Motile by peritrichous flagella. Spores are sphaerical, terminal,
swelling the cell.
Anaerobic. Colonies appear after 10-14 days incubation at 37 ºC and exhibit haloes of
cellulolysis; deep colonies are smooth, circular, translucent, unpigmented, 0.5 mm in
diameter. Grow optimally at 30-37 ºC and pH 7.0. Can grow at 23 ºC.
cellulolysis; deep colonies are smooth, circular, translucent, unpigmented, 0.5 mm in
diameter. Grow optimally at 30-37 ºC and pH 7.0. Can grow at 23 ºC.
Isolated from a methanogenic cellulolytic culture inoculated from cow manure.
Not determined.
- 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. - Chamkha M., Garcia J.-L. and Labat M., 2001. Metabolism of cinnamic acids by some Clostridiales and emendation of the
descriptions of Clostridium aerotolerans, Clostridium celerecrescens and Clostridium xylanolyticum. IJSEM 51, 2105-2111. - Palop M.L.L., Valles S., Pinaga F. and Flors A., 1989. Isolation and characterization of an anaerobic, cellulolytic bacterium,
Clostridium celerecrescens sp. nov. IJSB 39, 68-71.
Cellulolytic. The end products of fermentation of cellulose and cellobiose are ethanol,
acetate, formate, butyrate, iosbutyrate, isovalerate, caproate, lactate, succinate, H2, and CO2. Reduces cinnamic acids. Milk reaction is
positive (curd is produced).
Positive results for gelatin hydrolysis, indole production, substrate utilized and/or acid produced from: adonitol, arabinose, cellobiose,
cellulose, esculin, fructose, galactose, glucose, lactose (weak), maltose, (weak), mannitol, mannose, melezitose (weak), melibiose
(weak), raffinose, rhamnose, ribose, sorbose (weak), sucrose (weak), trehalose & xylose.
Negative results for casein hydrolysis, catalase, lecithinase, lipase, nitrate reduction, urease, Voges-Proskauer test, substrate utilized
and/or acid produced from: dulcitol, erythritol, glycerol, inulin, salicin, sorbitol & starch.
acetate, formate, butyrate, iosbutyrate, isovalerate, caproate, lactate, succinate, H2, and CO2. Reduces cinnamic acids. Milk reaction is
positive (curd is produced).
Positive results for gelatin hydrolysis, indole production, substrate utilized and/or acid produced from: adonitol, arabinose, cellobiose,
cellulose, esculin, fructose, galactose, glucose, lactose (weak), maltose, (weak), mannitol, mannose, melezitose (weak), melibiose
(weak), raffinose, rhamnose, ribose, sorbose (weak), sucrose (weak), trehalose & xylose.
Negative results for casein hydrolysis, catalase, lecithinase, lipase, nitrate reduction, urease, Voges-Proskauer test, substrate utilized
and/or acid produced from: dulcitol, erythritol, glycerol, inulin, salicin, sorbitol & starch.
(c) Costin Stoica
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