Clostridium Autoethanogenum, Sp-nov, An Anaerobic Bacterium That Produces Ethanol From Carbon-monoxide

Abrini, J.;Naveau, Henry;Nyns, Edmond-Jacques
(1994) Archives of Microbiology — Vol. 161, n° 4, p. 345-351 (1994)

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Authors
  • Abrini, J.
    Author
  • Naveau, HenryUCLouvain
    Author
  • Nyns, Edmond-JacquesUCLouvain
    Author
Abstract
A strictly anaerobic, gram-positive, spore-forming, rod-like, motile bacterium was enriched from rabbit feces, and isolated using carbon monoxide as sole source of energy and carbon. The isolate metabolizes CO with ethanol, acetate and CO2 as end-products. Other substrates used as carbon and energy sources include CO2 plus H-2, pyruvate, xylose, arabinose, fructose, rhamnose, and L-glutamate. The optimum temperature for growth is 37 degrees C. The optimum pH for chemolithotrophic growth lies around 5.8 to 6.0. Sulfate is not reduced. Growth is inhibited either by penicillin, chloramphenicol, tetracyclin or ampicillin, each at 100 mu g per ml. The isolate has a DNA-base composition of 25.9 +/- 0.6% guanine plus cytosine. The isolate represents a new species of Clostridium for which the name Clostridium autoethanogenum is proposed. The type strain is strain JA1-1
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Abrini, J., Naveau, H., & Nyns, E.-J. (1994). Clostridium Autoethanogenum, Sp-nov, An Anaerobic Bacterium That Produces Ethanol From Carbon-monoxide. Archives of Microbiology, 161(4), 345-351. https://doi.org/10.1007/BF00303591 (Original work published 1994)