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Title of Journal: J Ind Microbiol Biotechnol

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Abbravation: Journal of Industrial Microbiology & Biotechnology

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Springer-Verlag

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DOI

10.1002/chin.200828270

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1476-5535

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A novel methodology independent of fermentation ra

Authors: T Liccioli P J Chambers V Jiranek
Publish Date: 2010/11/15
Volume: 38, Issue: 7, Pages: 833-843
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Abstract

The yeast Saccharomyces cerevisiae has a fundamental role in fermenting grape juice to wine During alcoholic fermentation its catabolic activity converts sugars which in grape juice are a near equal ratio of glucose and fructose and other grape compounds into ethanol carbon dioxide and sensorily important metabolites However S cerevisiae typically utilises glucose and fructose with different efficiency glucose is preferred and is consumed at a higher rate than fructose This results in an increasing difference between the concentrations of glucose and fructose during fermentation In this study 20 commercially available strains were investigated to determine their relative abilities to utilise glucose and fructose Parameters measured included fermentation duration and the kinetics of utilisation of fructose when supplied as sole carbon source or in an equimolar mix with glucose The data were then analysed using mathematical calculations in an effort to identify fermentation attributes which were indicative of overall fructose utilisation and fermentation performance Fermentation durations ranged from 746 to over 150 h with clear differences in the degree to which glucose utilisation was preferential Given this variability we sought to gain a more holistic indication of strain performance that was independent of fermentation rate and therefore utilized the area under the curve AUC of fermentation of individual or combined sugars In this way it was possible to rank the 20 strains for their ability to consume fructose relative to glucose Moreover it was shown that fermentations performed in media containing fructose as sole carbon source did not predict the fructophilicity of strains in winelike conditions equimolar mixture of glucose and fructose This work provides important information for programs which seek to generate strains that are faster or more reliable fermenters


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Other Papers In This Journal:

  1. Production of a novel extracellular acidic lipase from Pseudomonas gessardii using slaughterhouse waste as a substrate
  2. Wood pulp as an immobilization matrix for the continuous production of isopropanol and butanol
  3. Persistence of Methanosaeta populations in anaerobic digestion during process instability
  4. Xylitol production from DEO hydrolysate of corn stover by Pichia stipitis YS-30
  5. Biorefining of wood: combined production of ethanol and xylanase from waste fiber sludge
  6. Do we need new antibiotics? The search for new targets and new compounds
  7. Sporicidal efficacy of pH-adjusted bleach for control of bioburden on production facility surfaces
  8. Engineered glucose isomerase from Streptomyces sp. SK is resistant to Ca 2+ inhibition and Co 2+ independent
  9. Universal species concept: pipe dream or a step toward unifying biology?
  10. A strategy to prevent the occurrence of Lactobacillus strains using lactate-tolerant yeast Candida glabrata in bioethanol production
  11. Recent biotechnological progress in enzymatic synthesis of glycosides
  12. Enhanced production of poly(3-hydroxybutyrate- co -4-hydroxybutyrate) copolymer with manipulated variables and its properties
  13. Comparison of the secondary metabolites in two scales of cephalosporin C (CPC) fermentation and two different post-treatment processes
  14. Clostridium beijerinckii mutant with high inhibitor tolerance obtained by low-energy ion implantation
  15. Enhanced production of CoQ 10 by newly isolated Sphingomonas sp. ZUTEO3 with a coupled fermentation–extraction process
  16. Enhanced production of CoQ 10 by newly isolated Sphingomonas sp. ZUTEO3 with a coupled fermentation–extraction process
  17. Ivan Málek and the Institute of Microbiology
  18. Polyhydroxyalkanoate biosynthesis and simultaneous remotion of organic inhibitors from sugarcane bagasse hydrolysate by Burkholderia sp.
  19. A whole cell biocatalyst for double oxidation of cyclooctane
  20. SlnM gene overexpression with different promoters on natamycin production in Streptomyces lydicus A02
  21. A multi-factors rational design strategy for enhancing the thermostability of Escherichia coli AppA phytase
  22. Use of interdelta polymorphisms of Saccharomyces cerevisiae strains to monitor population evolution during wine fermentation
  23. Antimicrobial susceptibility of Lactobacillus species isolated from commercial ethanol plants
  24. Distribution of live and dead cells in pellets of an actinomycete Amycolatopsis balhimycina and its correlation with balhimycin productivity
  25. Enhanced 1,3-propanediol production by supply of organic acids and repeated fed-batch culture
  26. Enhancement of extracellular purine nucleoside accumulation by Bacillus strains through genetic modifications of genes involved in nucleoside export
  27. Increasing succinic acid production using the PTS-independent glucose transport system in a Corynebacterium glutamicum PTS-defective mutant
  28. Fungal β-glucosidase expression in Saccharomyces cerevisiae
  29. Development of a biochip using antibody-coated gold nanoparticles to detect specific bioparticles
  30. Significance of oxygen carriers and role of liquid paraffin in improving validamycin A production

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