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Acetone and Butanol Production by Clostridium acetobutylicum in a Synthetic Medium.
The effect of the component concentrations of a synthetic medium on acetone and butanol fermentation by Clostridium acetobutylicum ATCC 824 was investigated. Cell growth was dependent on the presenceExpand
Regulation of the NADH and NADPH-ferredoxin oxidoreductases in clostridia of the butyric group.
NADH and NADPH-ferredoxin oxidoreductases have been studied in Clostridium acetobutylicum, Cl. tyrobutyricum and Cl. pasteurianum. The study of the distribution and regulation of these enzymaticExpand
Iron effect on acetone-butanol fermentation
WhenClostridium acetobutylicum was grown in batch culture under iron limitation (0.2 mg·l−1) at a pH of 4.8, glucose was fermented, to butanol as the major fermentation end product, and smallExpand
Regulation and butanol inhibition of D-xylose and D-glucose uptake in Clostridium acetobutylicum.
Clostridium acetobutylicum exhibited diauxie growth in the presence of mixtures of glucose and xylose. Both glucose- and xylose-grown cells had a glucose uptake activity. On the other hand, growth onExpand
A novel one step process for cellulose fermentation using mesophilic cellulolytic and glycolytic Clostridia
SummaryA mesophilic cellulolytic Clostridium has been isolated and coculture of this Clostridium and Clostridium acetobutylicum was established. In 9 days, 7 g/l of Solka Floc were fermented by theExpand
Optimum reaction conditions for human lactate dehydrogenase isoenzymes as they affect total lactate dehydrogenase activity.
Optimum reaction conditions at 30° ± 0.5° for two continuous spectrophotometric assay procedures, lactate to pyruvate (L → P) and pyruvate to lactate (P → L), were determined with respect to pH atExpand
A new, fast, and sensitive assay for NADH--ferredoxin oxidoreductase detection in clostridia.
Abstract A new, simple and very sensitive assay for NADH-ferredoxin or flavodoxin reductase activity is described. The assay is based on the nonenzymatic reduction of the metronidazole by ferredoxinExpand
Inhibitor effect of products of metabolism on growth of Clostridium acetobutylicum
SummaryThe growth of Clostridium acetobutylicum was studied by three ways. 1. In batch fermentation, referred to as the control. 2. Fermentation in dialysis which permits elimination of all theExpand
Acetone-butanol production from pentoses by Clostridium acetobutylicum
SummaryClostridium acetobutylicum fermented glucose, arabinose, and xylose with a conversion of carbon source into solvents of 32, 29, and 28% respectively. The growth yields (g cells per g sugar)Expand
Influence of estrogen on glutathione levels and glutathione-metabolizing enzymes in uteri and R3230AC mammary tumors of rats.
Abstract The glutathione content and the activities of several enzymes in its metabolism, glutathione reductase, glutathione peroxidase and γ-glutamyl transpeptidase, were assayed in uteri obtainedExpand