Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.biortech.2010.11.115
DC FieldValue
dc.titleBioconversion of crude glycerol to glycolipids in Ustilago maydis
dc.contributor.authorLiu, Y.
dc.contributor.authorKoh, C.M.J.
dc.contributor.authorJi, L.
dc.date.accessioned2014-12-12T07:47:29Z
dc.date.available2014-12-12T07:47:29Z
dc.date.issued2011-02
dc.identifier.citationLiu, Y., Koh, C.M.J., Ji, L. (2011-02). Bioconversion of crude glycerol to glycolipids in Ustilago maydis. Bioresource Technology 102 (4) : 3927-3933. ScholarBank@NUS Repository. https://doi.org/10.1016/j.biortech.2010.11.115
dc.identifier.issn09608524
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/116240
dc.description.abstractUstilago maydis is known to produce glycolipid-type biosurfactants. Here, we show that U. maydis is able to efficiently convert biodiesel-derived crude glycerol to glycolipids. We have optimized the medium composition and environmental factors for bioconversion of crude glycerol to glycolipids. The synthetic medium (MinCG) contains 50gL-1 crude glycerol and 20.3mgL-1 ammonium citrate as the carbon and nitrogen sources, respectively. The supplementation of trace amount of amino acids, Group-B vitamins and precursors of glycolipids, mannose and erythritol, also improved the final yield. At pH 4.0 and 30°C, 32.1gL-1 total glycolipids was produced in a 8.2-day fed-batch bioprocess. Methanol at 2% or above severely inhibited cell growth and production of glycolipids. Our results suggest that U. maydis is an excellent host for the bioconversion of crude glycerol to value-added products. © 2010 Elsevier Ltd.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/j.biortech.2010.11.115
dc.sourceScopus
dc.subjectBiosurfactant
dc.subjectCrude glycerol
dc.subjectFed-batch fermentation
dc.subjectGlycolipids
dc.subjectUstilago maydis
dc.typeArticle
dc.contributor.departmentINSTITUTE OF MOLECULAR AGROBIOLOGY
dc.description.doi10.1016/j.biortech.2010.11.115
dc.description.sourcetitleBioresource Technology
dc.description.volume102
dc.description.issue4
dc.description.page3927-3933
dc.description.codenBIRTE
dc.identifier.isiut000287277800039
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