| Cellulosilyticum ruminicola |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Clostridia, Order Eubacteriales, Family Lachnospiraceae, Genus Cellulosilyticum,
Cellulosilyticum ruminicola Cai and Dong 2010.
Cellulosilyticum ruminicola Cai and Dong 2010.
Cells are Gram-negative-staining but have a Gram-positive cell-wall structure; 0.8–1.0
x 3.0–4.0 µm, occurring singly. Nonmotile. Slime is produced. Elliptical and terminal
spores are produced occasionally.
x 3.0–4.0 µm, occurring singly. Nonmotile. Slime is produced. Elliptical and terminal
spores are produced occasionally.
Colonies are yellow-green, circular and slightly convex, 1.0-2.0 mm in diameter.
Obligate anaerobic. Optimum temperature for growth is 38 ºC. Grow at 25-45 ºC.
Optimum pH 6.7; range 6.0-7.8.
Fermentation products from cellulose and cellobiose are formic acid, acetic acid,
carbon dioxide and trace amounts of ethanol, succinic acid and lactic acid.
Obligate anaerobic. Optimum temperature for growth is 38 ºC. Grow at 25-45 ºC.
Optimum pH 6.7; range 6.0-7.8.
Fermentation products from cellulose and cellobiose are formic acid, acetic acid,
carbon dioxide and trace amounts of ethanol, succinic acid and lactic acid.
Isolated from the rumen of yak.
Undetermined.
- Cai S. and Dong X., 2010. Cellulosilyticum ruminicola gen. nov., sp. nov.,isolated from the rumen of yak, and reclassification of
Clostridium lentocellum as Cellulosilyticum lentocellum comb. nov. IJSEM 60, 845-849.
Positive results for utilization and/or acid froduction from: cellulose, cellobiose, lactose (weak), maltose, pectin (weak), sorbitol (weak)
& xylose.
Negative results for catalase, aesculin hydrolysis, indole production, gelatin hydrolysis, nitrates reduction, urease, Voges-Proskauer
reaction, utilization of: arabinose, amygdalin, erythritol, fructose, galactose, glucose, glycogen, glycerol, inositol, mannitol, mannose,
melezitose, melibiose, raffinose, rhamnose, ribose, salicin, starch, sucrose & trehalose.
& xylose.
Negative results for catalase, aesculin hydrolysis, indole production, gelatin hydrolysis, nitrates reduction, urease, Voges-Proskauer
reaction, utilization of: arabinose, amygdalin, erythritol, fructose, galactose, glucose, glycogen, glycerol, inositol, mannitol, mannose,
melezitose, melibiose, raffinose, rhamnose, ribose, salicin, starch, sucrose & trehalose.
(c) Costin Stoica
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