Applied Biochemistry and Biotechnology

, Volume 177, Issue 5, pp 1083–1098 | Cite as

Characterization of Inulin Hydrolyzing Enzyme(s) in Oleaginous Yeast Trichosporon cutaneum in Consolidated Bioprocessing of Microbial Lipid Fermentation

  • Juan Wang
  • Huizhan ZhangEmail author
  • Jie BaoEmail author


Oleaginous yeast Trichosporon cutaneum CGMCC 2.1374 was found to utilize inulin directly for microbial lipid fermentation without a hydrolysis step. The potential inulinase-like enzyme(s) in T. cutaneum CGMCC 2.1374 were characterized and compared with other inulinase enzymes produced by varied yeast strains. The consolidated bioprocessing (CBP) for lipid accumulated using inulin was optimized with 4.79 g/L of lipid produced from 50 g/L inulin with the lipid content of 33.6 % in dry cells. The molecular weight of the enzyme was measured which was close to invertase in Saccharomyces cerevisiae. The study provided information for inulin hydrolyzing enzyme(s) in oleaginous yeasts, as well as a preliminary CBP process for lipid production from inulin feedstock.


Inulin hydrolyzing enzyme Trichosporon cutaneum Dry cell weight Lipid production Consolidated bioprocessing 



This research was supported by the National Basic Research Program of China (2011CB707406) and the National High-Tech Program of China (2012AA022301, 2014AA021901).


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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  1. 1.State Key Laboratory of Bioreactor EngineeringEast China University of Science and TechnologyShanghaiChina

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