Synthesis of nucleotide sugars and α-galacto-oligosaccharides by recombinant Escherichia coli cells with trehalose substrate

Soo In Ryu, Soo-Bok Lee

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8 Citations (Scopus)

Abstract

Useful nucleoside diphosphate (NDP)-sugars and α-galacto-oligosaccharides were synthesized by recombinant Escherichia coli whole cells and compared to those produced by enzyme-coupling. Production yields of NDP-glucoses (Glcs) by whole cells harboring trehalose synthase (TS) were 60% for ADP-Glc, 82% for GDP-Glc, and 27% for UDP-Glc, based on NDP used. Yield of UDP-galactose (Gal) by the whole-cell harboring a UDP-Gal 4-epimerase (pGALE) was 26% of the quantity of UDP-Glc. α-Galacto-oligosaccharides, α-Gal epitope (Galα-3Galβ-4Glu) and globotriose (Galα-4Galβ-4Glu), were produced by the combination of three recombinant whole cells harboring TS, pGALE, and α-galactosyltransferase, with production yields of 48% and 54%, based on UDP, respectively. Production yields of NDP-sugars and α-galacto-oligosaccharides by recombinant whole-cell reactions were approximately 1.5 times greater than those of enzyme-coupled reactions. These results suggest that a recombinant whole-cell system using cells harboring TS with trehalose as a substrate may be used as an alternative and practical method for the production of NDP-sugars and α-galacto-oligosaccharides.

Original languageEnglish
Pages (from-to)359-363
Number of pages5
JournalEnzyme and Microbial Technology
Volume53
Issue number5
DOIs
Publication statusPublished - 2013 Oct 10

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Nucleoside Diphosphate Sugars
Oligosaccharides
Trehalose
Nucleotides
Sugars
Escherichia coli
Uridine Diphosphate
Galactose
Diphosphates
Substrates
Nucleosides
UDPglucose 4-Epimerase
Uridine Diphosphate Galactose
Galactosyltransferases
Enzymes
Epitopes
Administrative data processing
Adenosine Diphosphate
Glucose
trehalose synthase

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Biotechnology
  • Applied Microbiology and Biotechnology

Cite this

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title = "Synthesis of nucleotide sugars and α-galacto-oligosaccharides by recombinant Escherichia coli cells with trehalose substrate",
abstract = "Useful nucleoside diphosphate (NDP)-sugars and α-galacto-oligosaccharides were synthesized by recombinant Escherichia coli whole cells and compared to those produced by enzyme-coupling. Production yields of NDP-glucoses (Glcs) by whole cells harboring trehalose synthase (TS) were 60{\%} for ADP-Glc, 82{\%} for GDP-Glc, and 27{\%} for UDP-Glc, based on NDP used. Yield of UDP-galactose (Gal) by the whole-cell harboring a UDP-Gal 4-epimerase (pGALE) was 26{\%} of the quantity of UDP-Glc. α-Galacto-oligosaccharides, α-Gal epitope (Galα-3Galβ-4Glu) and globotriose (Galα-4Galβ-4Glu), were produced by the combination of three recombinant whole cells harboring TS, pGALE, and α-galactosyltransferase, with production yields of 48{\%} and 54{\%}, based on UDP, respectively. Production yields of NDP-sugars and α-galacto-oligosaccharides by recombinant whole-cell reactions were approximately 1.5 times greater than those of enzyme-coupled reactions. These results suggest that a recombinant whole-cell system using cells harboring TS with trehalose as a substrate may be used as an alternative and practical method for the production of NDP-sugars and α-galacto-oligosaccharides.",
author = "Ryu, {Soo In} and Soo-Bok Lee",
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N2 - Useful nucleoside diphosphate (NDP)-sugars and α-galacto-oligosaccharides were synthesized by recombinant Escherichia coli whole cells and compared to those produced by enzyme-coupling. Production yields of NDP-glucoses (Glcs) by whole cells harboring trehalose synthase (TS) were 60% for ADP-Glc, 82% for GDP-Glc, and 27% for UDP-Glc, based on NDP used. Yield of UDP-galactose (Gal) by the whole-cell harboring a UDP-Gal 4-epimerase (pGALE) was 26% of the quantity of UDP-Glc. α-Galacto-oligosaccharides, α-Gal epitope (Galα-3Galβ-4Glu) and globotriose (Galα-4Galβ-4Glu), were produced by the combination of three recombinant whole cells harboring TS, pGALE, and α-galactosyltransferase, with production yields of 48% and 54%, based on UDP, respectively. Production yields of NDP-sugars and α-galacto-oligosaccharides by recombinant whole-cell reactions were approximately 1.5 times greater than those of enzyme-coupled reactions. These results suggest that a recombinant whole-cell system using cells harboring TS with trehalose as a substrate may be used as an alternative and practical method for the production of NDP-sugars and α-galacto-oligosaccharides.

AB - Useful nucleoside diphosphate (NDP)-sugars and α-galacto-oligosaccharides were synthesized by recombinant Escherichia coli whole cells and compared to those produced by enzyme-coupling. Production yields of NDP-glucoses (Glcs) by whole cells harboring trehalose synthase (TS) were 60% for ADP-Glc, 82% for GDP-Glc, and 27% for UDP-Glc, based on NDP used. Yield of UDP-galactose (Gal) by the whole-cell harboring a UDP-Gal 4-epimerase (pGALE) was 26% of the quantity of UDP-Glc. α-Galacto-oligosaccharides, α-Gal epitope (Galα-3Galβ-4Glu) and globotriose (Galα-4Galβ-4Glu), were produced by the combination of three recombinant whole cells harboring TS, pGALE, and α-galactosyltransferase, with production yields of 48% and 54%, based on UDP, respectively. Production yields of NDP-sugars and α-galacto-oligosaccharides by recombinant whole-cell reactions were approximately 1.5 times greater than those of enzyme-coupled reactions. These results suggest that a recombinant whole-cell system using cells harboring TS with trehalose as a substrate may be used as an alternative and practical method for the production of NDP-sugars and α-galacto-oligosaccharides.

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