Reference: Lan X and Xiao H (2020) Cyclodextrins facilitate the efficient secretion of an anti-tumor triterpenoid ganoderic acid HLDOA by Saccharomyces cerevisiae. J Biosci Bioeng 130(2):142-148

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Abstract


As a large group of natural product with significant biological activities, triterpenoid secretion is of particular importance towards its bioproduction. Due to the lack of specific transporters, most triterpenoids are naturally accumulated inside the cells. In this study, by taking an antitumor triterpenoid ganoderic acid 3-hydroxy-lanosta-8,24-dien-26 oic acid (GA-HLDOA) as example, we discovered that addition of 2-hydroxypropyl-β-cyclodextrin (HP-β-CD) or 2,6-dimethyl-β-cyclodextrin (DM-β-CD) enable the fast and sufficient secretion of GA-HLDOA by the recombinant Saccharomyces cerevisiae strain as constructed in our previous study. In addition, these cyclodextrins (CDs) could not enter into cells, while no significant change of the cell membrane fluidity was observed after CDs treatment. This discovery provides a potential generally applicable method for triterpenoid secretion.

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Journal Article
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Lan X, Xiao H
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