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Appl Environ Microbiol. 1984 September; 48(3): 573-576
Copyright © 1984, American Society for Microbiology. All Rights Reserved.

Formation of n-Butanol from D-Glucose by Strains of the "Clostridium tetanomorphum" Group

¹ Institut für Mikrobiologie der Universität and Deutsche Sammlung von Mikroorganismen der Gesellschaft für Biotechnologische Forschung, ² D-3400 Göttingen, Federal Republic of Germany

ABSTRACT

A clostridial strain has been isolated that produced n-butanol, ethanol, butyrate, and acetate as major fermentation products from glucose but no acetone. At a pH of 6.6, n-butanol was formed by this microorganism only during growth. On the basis of its physiological characteristics and DNA-DNA homology data, the strain was assigned to the "Clostridium tetanomorphum" group (S. Nakamura, I. Okado, T. Abe, and S. Nishida, J. Gen. Microbiol. 113:29-35, 1979). All members of this group were shown to produce n-butanol from glucose as the major fermentation product, whereas C. cochlearium produced it in only minor amounts.

^* Corresponding author.