Beer in Health and Disease Prevention 2009
DOI: 10.1016/b978-0-12-373891-2.00009-2
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Flocculation in Saccharomyces Cerevisiae

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Cited by 3 publications
(5 citation statements)
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“…Flocculation has been studied extensively in industrial S. cerevisiae strains, because of its relevance for many biotechnological applications. Specifically, flocculation is a fast, cost‐effective and environment‐friendly way to remove yeast cells at the end of fermentation processes in the production of, for example beer, wine, ethanol or biodiesel (Bauer et al ., 2010; Soares, 2010). In addition, flocculent yeast strains that effectively bind Ca 2+ ions have been used in bioremediation to remove other divalent ions, for example heavy metals from contaminated sites (Wang & Chen, 2006).…”
Section: Lifestyles Of S Cerevisiaementioning
confidence: 99%
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“…Flocculation has been studied extensively in industrial S. cerevisiae strains, because of its relevance for many biotechnological applications. Specifically, flocculation is a fast, cost‐effective and environment‐friendly way to remove yeast cells at the end of fermentation processes in the production of, for example beer, wine, ethanol or biodiesel (Bauer et al ., 2010; Soares, 2010). In addition, flocculent yeast strains that effectively bind Ca 2+ ions have been used in bioremediation to remove other divalent ions, for example heavy metals from contaminated sites (Wang & Chen, 2006).…”
Section: Lifestyles Of S Cerevisiaementioning
confidence: 99%
“…Therefore, present and future strategies for optimized control of flocculation include global genetic analysis of diverse yeast strains and their targeted genetic improvement by, for example controlled expression of flocculin genes that confer specific adhesion properties (Govender et al ., 2008, 2010; Bauer et al ., 2010; Saerens et al ., 2010). Comparative genomics of diverse industrial strains might also help to reveal the molecular basis for other factors that determine whether flocs rise to the surface or sediment to the bottom, for example the inclusion of carbon dioxide or the adsorption to rising gas bubbles (Soares, 2010).…”
Section: Lifestyles Of S Cerevisiaementioning
confidence: 99%
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“…Yeast flocculation is a reversible process wherein the individual cells aggregate into multicellular masses, called flocs (composed of thousands or even millions of cells), which sediment rapidly in the medium in which they are suspended 6. Flocculent yeasts have in their cell wall a specific lectin‐like protein which allows interaction with the carbohydrate residues of the walls of neighbouring cells to establish a flocculent bond; in this process Ca 2+ seems to ensure the correct conformation of the lectins 6. Flocculent cells of S. cerevisiae have a higher ability for Cu 2+ accumulation than the non‐flocculent cells32 most likely due to the fact that heavy metals can also occupy lectin Ca 2+ binding sites.…”
Section: Discussionmentioning
confidence: 99%
“…Among the different types of biological materials, Saccharomyces cerevisiae has been recognized as an effective biomass for the treatment of hazardous wastes containing heavy metals, as was reviewed by Wang and Chen 5. In particular, flocculent cells of S. cerevisiae (flocculation is a characteristic usually found in brewing yeast)6 can constitute a reliable supply of biomass for large‐scale application in bioremediation processes. In this respect, it is well documented that S. cerevisiae cells have the ability to remove Ag, Mn, Cd, Co, Cr, Cs, Cu, Ni, Pb, Sr, U and Zn from water solution 7–14 .…”
Section: Introductionmentioning
confidence: 99%