Microbial production of difructose anhydride III from Jerusalem artichoke tuber powder by recombinant yeast Saccharomyces cerevisiae and Kluyveromyces marxianus

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Title
Microbial production of difructose anhydride III from Jerusalem artichoke tuber powder by recombinant yeast Saccharomyces cerevisiae and Kluyveromyces marxianus
Author(s)
Hyunjun Ko; Jung Hoon BaeMi Jin KimBong Hyun SungJung Hoon Sohn
Bibliographic Citation
Industrial Crops and Products, vol. 135, pp. 99-106
Publication Year
2019
Abstract
Difructose anhydride III (DFA III), a functional sweetener, is enzymatically produced from inulin by inulin fructotransferase (IFTase; EC 4.2.2.18). Here, a recombinant yeast strain hyper-secreting IFTase from Arthrobacter aurescens was developed by employing the translational fusion partner technique, and the recombinant yeast produced 77.5 g (64.6% yield) of DFA III from 200 g of crude extract of Jerusalem artichoke tuber powder containing 120 g of inulin during direct fermentation. The sugar purity of DFA III was increased up to 95% by additional incubation with Kluyveromyces marxianus. This study is the first report of the secretory production of recombinant IFTase in Saccharomyces cerevisiae, and the direct conversion of DFA III from crude extract of Jerusalem artichoke tuber powder by microbial fermentation.
Keyword
Difructose anhydride IIIInulin fructotransferaseJerusalem artichoke tuber powderMicrobial conversionSaccharomyces cerevisiae
ISSN
0926-6690
Publisher
Elsevier
DOI
http://dx.doi.org/10.1016/j.indcrop.2019.04.026
Type
Article
Appears in Collections:
Synthetic Biology and Bioengineering Research Institute > Synthetic Biology Research Center > 1. Journal Articles
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