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Showing 1 to 9 of 9 for “"solventogenesis"”.
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Transcriptomic analyses of Clostridium beijerinckii NCIMB 8052 during transition from acidogenesis to solventogenesis and under butyrate supplemented conditions
… the metabolic pathway shift from acidogenesis to solventogenesis. The sol operon genes, were highly-coordinately expressed and up-regulated at the onset of solventogenesis. Out of the 20 genes encoding alcohol dehydrogenase in C. beijerinckii, Cbei_1722 and Cbei_2181 were highly up-regulated at …
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Molecular genetic characterization of two solvent pathway dehydrogenases from Clostridium Acetobutylicum
… to isolate and characterize genes involved in solventogenesis. The cloning, expression and characterization of the terminal solventogenic butanol dehydrogenase gene ( adhl), and the central pathway β-hydroxybutyryl-CoA dehydrogenase gene (hbd), which form part of a but operon are described.
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Studies on the regulation of solvent production and endospore formation in Clostridium Acetobutylicum P262
… was to characterise the relationships between solventogenesis and endospore formation in Clostridium acetobutylicum strain P262. Growth and endospore formation was monitored in a number of complex and minimal media and as a result of these studies a new defined sporulation medium was developed. …
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Development of a reporter system for the study of gene expression for solvent production in Clostridium beijerinckii NRRL B592 and Clostridium acetobutylicum ATCC 824
… a low and similar level during acidogenesis and solventogenesis. The expression pattern of the adh gene under the control of the promoter of the adh gene differed from that under the control of the promoter of the fer gene.
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Hydrogenase of Clostridium acetobutylicum ATCC 824
… oxidation-reduction state in the cell. During solventogenesis, additional reducing power is used in the production of n-butanol and ethanol, which leaves excess reducing power to be vented as hydrogen gas. There are conflicting reports about the level of hydrogenase in acidogenic and …
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Total proton flux and balancing in genome-scale models: The case for the updated model of Clostridium acetobutylicum ATCC 824
… indicate that the metabolic shift into solventogenesis is not due to optimizing growth at different pH conditions. However, they provide evidence that C. acetobutylicum has developed strictly genetically regulated solventogenic metabolic pathways for the purpose of increasing its …
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The characterization of Clostridium beijerinckii NRRL B592 cells transformed with plasmids containing the butanol-production genes under the control of constitutive promoters
Clostridium beijerinckii is a spore-forming, obligate anaerobe that is capable of producing butanol, acetone and isopropanol. These industrial chemicals are traditionally known as solvents. The regulation of solventogenic fermentation is linked to the onset of sporulation, so that by the time the …
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Studies on nucleotide levels and electron transport genes of Clostridium acetobutylicum P262
… the cls-1 mutant, which does not switch to solventogenesis, did not demonstrate an increase in nucleotide levels after the cessation of cell division. The involvement of nucleotide levels, particularly that of GTP, in the differentiation of C. acetobutylicum was indicated by the effect of …
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Studies on the regulation of nitrogen metabolism in clostridium acetobutylicum NCP 262 and clostridium beijerinckii NCIMB 8052
… important in the regulation of sporulation and solventogenesis, and the enzyme glutamine synthetase, encoded by the gene ginA, is central to this aspect of metabolism. This work represents a continuation of studies on the glutamine synthetase enzyme of C. acetobutylicum NCP 262. Previous work …