1887

Abstract

Summary: The amount of NaCO added to semi-synthetic medium determined the length of the lag phase, the growth rate and the dry weight of three strains of (wv1,37,835). With increasing CO -concentration the molar growth yield of bacteria, from glucose, was increased and, of the fermentation products, formate increased more than the other acids. CO -limited cultures of strain wv1 (Group 2 Butyrivibrio) and strain nor37 (Group 1 Butyrivibrio) incorporated CO into lactate and formate. In 37, lactate and formate had equal specific activities; in wv1, the formate specific activity was twice that of lactate. Strain wv1 had an active pyruvate synthase and an energy-dependent exchange between CO -and formate was demonstrated. In strain wv1 butyrate was produced mainly from glucose.

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1978-04-01
2024-12-05
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