Efficient One-Pot Synthesis of Uridine Diphosphate Galactose Employing a Trienzyme System
The limited availability of high-cost nucleotide sugars is a significant constraint on the application of their downstream products (glycosides and prebiotics) in the food or pharmaceutical industry. To better solve the problem, this study presented a one-pot approach for the biosynthesis of UDP-Gal using a thermophilic multienzyme system consisting of GalK, UGPase, and PPase. Under optimal conditions, a 2 h reaction resulted in a UTP conversion rate of 87.4%. In a fed-batch reaction with Gal/ATP = 20 mM:10 mM, UDP-Gal accumulated to 33.76 mM with a space-time yield (STY) of 6.36 g/L·h-1 after the second feeding. In repetitive batch synthesis, the average yield of UDP-Gal over 8 cycles reached 10.80 g/L with a very low biocatalyst loading of 0.002 genzymes/gproduct. Interestingly, Galk (Tth0595) could synthesize Gal-1P using ADP as a donor of phosphate groups, which had never been reported before. This approach possessed the benefits of high synthesis efficiency, low cost, and superior reaction system stability, and it provided new insights into the rapid one-pot synthesis of UDP-Gal and high-value glycosidic compounds.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:72 |
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| Enthalten in: |
Journal of agricultural and food chemistry - 72(2024), 7 vom: 21. Feb., Seite 3644-3653 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Li, Yajing [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 22.02.2024 Date Revised 22.02.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1021/acs.jafc.3c08749 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM368245608 |
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| 520 | |a The limited availability of high-cost nucleotide sugars is a significant constraint on the application of their downstream products (glycosides and prebiotics) in the food or pharmaceutical industry. To better solve the problem, this study presented a one-pot approach for the biosynthesis of UDP-Gal using a thermophilic multienzyme system consisting of GalK, UGPase, and PPase. Under optimal conditions, a 2 h reaction resulted in a UTP conversion rate of 87.4%. In a fed-batch reaction with Gal/ATP = 20 mM:10 mM, UDP-Gal accumulated to 33.76 mM with a space-time yield (STY) of 6.36 g/L·h-1 after the second feeding. In repetitive batch synthesis, the average yield of UDP-Gal over 8 cycles reached 10.80 g/L with a very low biocatalyst loading of 0.002 genzymes/gproduct. Interestingly, Galk (Tth0595) could synthesize Gal-1P using ADP as a donor of phosphate groups, which had never been reported before. This approach possessed the benefits of high synthesis efficiency, low cost, and superior reaction system stability, and it provided new insights into the rapid one-pot synthesis of UDP-Gal and high-value glycosidic compounds | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a biosynthesis | |
| 650 | 4 | |a fed-batch reaction | |
| 650 | 4 | |a one- pot | |
| 650 | 4 | |a thermophilic enzyme | |
| 650 | 4 | |a uridine diphosphate galactose | |
| 650 | 7 | |a Uridine Diphosphate Galactose |2 NLM | |
| 650 | 7 | |a 2956-16-3 |2 NLM | |
| 650 | 7 | |a Nucleotides |2 NLM | |
| 650 | 7 | |a Uridine Diphosphate |2 NLM | |
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| 650 | 7 | |a Galactose |2 NLM | |
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| 700 | 1 | |a Chen, Qi |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Siyao |e verfasserin |4 aut | |
| 700 | 1 | |a Deng, Lin |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Shichao |e verfasserin |4 aut | |
| 700 | 1 | |a Gao, Renjun |e verfasserin |4 aut | |
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