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Now showing items 1-17 of 17
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Amino acid supplementation improves heterologous protein production by Saccharomyces cerevisiae in defined medium
(2005)Supplementation of a chemically defined medium with amino acids or succinate to improve heterologous xylanase production by a prototrophic Saccharomyces cerevisiae transformant was investigated. The corresponding xylanase ... -
Comparative characterization of endo-polygalacturonase (Pgu1) from Saccharomyces cerevisiae and Saccharomyces paradoxus under winemaking conditions
(2011)Wine strains of Saccharomyces cerevisiae have no to weak natural pectinase activity, despite their genetic ability to secrete an endo-polygalacturonase. The addition of external pectinase of fungal origin has therefore ... -
Comparative transcriptomic and proteomic profiling of industrial wine yeast strains
(2010)The geno- and phenotypic diversity of commercial Saccharomyces cerevisiae wine yeast strains provides an opportunity to apply the system-wide approaches that are reasonably well established for laboratory strains to generate ... -
Comparative transcriptomic approach to investigate differences in wine yeast physiology and metabolism during fermentation
(2009)Commercial wine yeast strains of the species Saccharomyces cerevisiae have been selected to satisfy many different, and sometimes highly specific, oenological requirements. As a consequence, more than 200 different strains ... -
Comparing the transcriptomes of wine yeast strains: Toward understanding the interaction between environment and transcriptome during fermentation
(2009)System-wide "omics" approaches have been widely applied to study a limited number of laboratory strains of Saccharomyces cerevisiae. More recently, industrial S. cerevisiae strains have become the target of such analyses, ... -
Controlled expression of the dominant flocculation genes FLO1, FLO5, and FLO11 in Saccharomyces cerevisiae
(2008)In many industrial fermentation processes, the Saccharomyces cerevisiae yeast should ideally meet two partially conflicting demands. During fermentation, a high suspended yeast count is required to maintain a satisfactory ... -
Correlation between glucose/fructose discrepancy and hexokinase kinetic properties in different Saccharomyces cerevisiae wine yeast strains
(2008)Grape juice contains about equal amounts of glucose and fructose, but wine strains of Saccharomyces cerevisiae ferment glucose slightly faster than fructose, leading to fructose concentrations that exceed glucose concentrations ... -
Degradation of humic acids in a microbial film consortium from landfill compost
(2004)Bacterial biofilms are ubiquitous in nature and industrial settings. In this study, a biofilm consortium was enriched in a continuous-flow-cell system using humic acid as the sole carbon and energy source. The degradation ... -
Dynamics of a microbial biofilm in a rotating biological contactor for the treatment of winery effluent
(2004)Wastewater from wine-related industries is characterised by high variability in COD and pH. Disposal of these effluents with little or no treatment could lead to heavy financial penalties or pollution of soil and water ... -
Elimination of glycerol and replacement with alternative products in ethanol fermentation by Saccharomyces cerevisiae
(2011)Glycerol is a major by-product of ethanol fermentation by Saccharomyces cerevisiae and typically 2-3% of the sugar fermented is converted to glycerol. Replacing the NAD+-regenerating glycerol pathway in S. cerevisiae with ... -
Exploring improved endoglucanase expression in Saccharomyces cerevisiae strains
(2010)The endoglucanase I and II genes (egI or Cel7B and egII or Cel5A) of Trichoderma reesei QM6a were successfully cloned and expressed in Saccharomyces cerevisiae under the transcriptional control of the yeast ENO1 promoter ... -
FLO gene-dependent phenotypes in industrial wine yeast strains
(2010)Most commercial yeast strains are nonflocculent. However, controlled flocculation phenotypes could provide significant benefits to many fermentation-based industries. In nonflocculent laboratory strains, it has been ... -
Heterologous co-production of Thermobifida fusca Cel9A with other cellulases in Saccharomyces cerevisiae
(2010)The processive endoglucanase Cel9A of the moderately thermophilic actinomycete Thermobifida fusca was functionally produced in Saccharomyces cerevisiae. Recombinant Cel9A displayed activity on both soluble (carboxymethylcellulose) ... -
Production of bacteriocin ST33LD, produced by Leuconostoc mesenteroides subsp. mesenteroides, as recorded in the presence of different medium components
(2005)Bacteriocin ST33LD, produced by Leuconostoc mesenteroides subsp. mesenteroides, is approximately 2.7 kDa in size and inhibits Enterococcus faecalis, Escherichia coli, Lactobacillus casei and Pseudomonas aeruginosa. Good ... -
Role of hexose transport in control of glycolytic flux in Saccharomyces cerevisiae
(2004)The yeast Saccharomyces cerevisiae predominantly ferments glucose to ethanol at high external glucose concentrations, irrespective of the presence of oxygen. In contrast, at low external glucose concentrations and in the ... -
Yeast flocculation and its biotechnological relevance
(2010)Adhesion properties of microorganisms are crucial for many essential biological processes such as sexual reproduction, tissue or substrate invasion, biofilm formation and others. Most, if not all microbial adhesion phenotypes ...