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  • Title: Production of glycolipid biosurfactants by basidiomycetous yeasts.
    Author: Morita T, Fukuoka T, Imura T, Kitamoto D.
    Journal: Biotechnol Appl Biochem; 2009 May; 53(Pt 1):39-49. PubMed ID: 19341364.
    Abstract:
    BSs (biosurfactants) produced by various micro-organisms show unique properties (e.g. mild production conditions, lower toxicity, higher biodegradability and environmental compatibility) compared with chemically synthesized surfactants. The numerous advantages of BSs have prompted applications not only in the food, cosmetic and pharmaceutical industries but also in environmental protection and energy-saving technology. Among BSs, glycolipid types are the most promising, owing to their high productivity from renewable resources and versatile biochemical properties. MELs (mannosylerythritol lipids), which are glycolipid BSs abundantly produced by basidiomycetous yeasts such as strains of Pseudozyma, exhibit not only excellent interfacial properties, but also remarkable differentiation-inducing activities against human leukaemia cells. MELs also show high binding affinity towards different immunoglobulins and lectins. Recently, a cationic liposome bearing MEL has been demonstrated to increase dramatically the efficiency of gene transfection into mammalian cells. These features of BSs should broaden their application in new advanced technologies. In the present review the current status of research and development on glycolipid BSs, especially their production by Pseudozyma yeasts, is described.
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