Anaerobic xylose fermentation by recombinant Saccharomyces cerevisiae carrying XYL1, XYL2, and XKS1 in mineral medium chemostat cultures

Article Abstract:

Researchers used genetic engineering to create a strain of Saccharomyces cerevisiae that can produce ethanol from xylose. The native bacterium can only use xylulose, which is an isomer of xylose.

Microbial genetic engineering, Saccharomyces

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Xylulokinase overexpression in two strains of Saccharomyces cerevisiae also expressing xylose reductase and xylitol dehydrogenase and its effect on fermentation of xylose and lignocellulosic hydrolysate

Article Abstract:

Research has been conducted on the Saccharomyces cerevisiae, an ethanol producer. The effect of the xylose reductase overexpression on different S. cerevisiae host strains also expressing xylose reductase and xylitol dehydrogenase has been investigated.

Sweden, Statistical Data Included, Analysis, Dehydrogenases, Microbiological research, Xylitol

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Metabolic engineering of ammonium assimilation in xylose-fermenting Saccharomyces cerevisiae improves ethanol production

Article Abstract:

The authors have investigated ammonia assimilation in recombinant Saccharomyces cerevisiae. The modification of this assimilation via deleting GRH1, which encodes NADPH-dependent glutamate dehydrogenase, and overexpressing GDH2, which encodes NADH-dependent glutamate dehydrogenase, has been carried out in order to improve cofactor imbalance impeding xylose assimilation in S. cerevisiae.

Denmark, Science & research, Food preparations, not elsewhere classified, Industrial organic chemicals, not elsewhere classified, All Other Miscellaneous Food Manufacturing, Nitrogenous Fertilizer Manufacturing, Ethanol, Ethyl Alcohol Manufacturing, Nitrogenous fertilizers, Ammonia, Brewers' Yeast, Environmental aspects, Microbial metabolism, Microbiology, Glutamate, Alcohol, Microbial populations, Alcohol, Denatured, Microbial ecology

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