A new 3-hydroxybutyrate fermenting anaerobe,Ilyobacter polytropus,gen. nov. sp. nov., possessing various fermentation pathways |
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Authors: | Stieb Marion Schink Bernhard |
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Institution: | (1) Fakultät für Biologie, Universität Konstanz, Postfach 5560, D-7750 Konstanz, Federal Republic of Germany |
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Abstract: | From marine anoxic mud, a new strictly anaerobic, Gram-negative, non-sporeforming bacterium was isolated with 3-hydroxybutyrate as substrate. 3-Hydroxybutyrate and crotonate were fermented to acetate and butyrate. Glycerol was fermented to 1,3-propanediol and 3-hydroxypropionate. Acetate and formate were the only products of pyruvate or citrate fermentation. Glucose and fructose were fermented to acetate, formate and ethanol. Malate and fumarate were fermented to acetate, formate and propionate. Neither sulfate, sulfur, nor nitrate was reduced. The DNA base ratio was 32.2±0.5 mol% guanine plus cytosine. Strain CuHbu1 is described as type strain of a new genus and species, Ilyobacter polytropus gen. nov. sp. nov., in the family Bacteroidaceae. |
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