Taxonomy
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Phylum Firmicutes, Class Clostridia, Order Clostridiales, Family Clostridiaceae, Genus Clostridium, Cluster I (Clostridium sensu
stricto),
Clostridium bowmanii  Spring, Merkhoffer, Weiss, Kroppenstedt, Hippe and Stackebrandt 2003.
Gram-positive rods, 1.0-1.2 x 2.0-8.0 µm, occurring singly, in pairs or in short chains.
Motile by peritrichous flagella. Spores spherical, terminal/subterminal, not swelling
the cell. On solid media the cells are filamentous.
Colonies on sheep-blood agar are 1-2 mm in diameter, round with often coarsely
granulated margins, smooth, slightly raised, cream-white to grayish, semi-
transparent to opaque and nonhemolytic. Grow at 12-16 ºC optimally and 20 ºC
(upper limit). Optimum pH 6.8-7.2; pH range 5.6-7.4.
The fermentation products formed are butyrate, acetate, formate, ethanol, lactate, 1-
butanol, hydrogen, and carbon dioxide.
Isolated from a microbial mat sample taken from a moated area around Lake Fryxell, Antarctica.
Undetermined.
  1. 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.
  2. Spring S., Merkhoffer B., Weiss N., Kroppenstedt R. M., Hippe H. and Stackebrandt E., 2003. Characterization of novel
    psychrophilic clostridia from an Antarctic microbial mat: description of Clostridium frigoris sp. nov., Clostridium lacusfryxellense
    sp. nov., Clostridium bowmanii sp. nov. and Clostridium psychrophilum sp. nov. and reclassification of Clostridium laramiense as
    Clostridium estertheticum subsp. laramiense subsp. nov. IJSEM 53, 1019-1029.
Positive results for H2 production, substrate utilized and/or acid produced from:
fructose, galactose, glucose, inulin, maltose, mannose, ribose (weak), salicin,
sucrose, trehalose & xylose.

Negative results for gelatin hydrolysis, starch hydrolysis, substrate utilized and/or acid produced from: amygdalin, arabinose,
cellobiose, glycogen, inositol, lactose, mannitol, melezitose, melibiose, raffinose, rhamnose, sorbitol & starch.
Clostridium bowmanii
(c) Costin Stoica
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