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Biochemical Evidence for Multiple Acetoin-Forming Enzymes in Cultured Plant Cells
Phytochemistry, 1999 Acetoin (3-hydroxy-2-butanon) production was investigated in extracts from suspension cultured cells of carrot, tobacco, maize and rice. Crude extracts were able to catalyze acetoin synthesis from pyruvate and/or acetaldehyde at rates ranging from 0.02 ...
Giuseppe Forlani
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One-pot efficient biosynthesis of (3 R )-acetoin from pyruvate by a two-enzyme cascade
Catalysis Science & Technology, 2020Opening the possibility of sustainable industrial (3 R )-acetoin biomanufacturing in vitro .
Zhenzhen Cui +6 more
openaire +1 more source
Journal of the Chemical Society, Perkin Transactions 1, 1986
Incorporation experiments with [2-13C]pyruvate and [4-14C]acetoin ([4-14C]-3-hydroxybutan-2-one), in Eremothecium ashbyii have shown that acetoin (6) is not a precursor of riboflavin. Growth studies with the same organism support this conclusion and indicate that the o-xylene ring and the ribityl side-chain of riboflavin differ appreciably in their ...
Brian Bews, David H. G. Crout
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Incorporation experiments with [2-13C]pyruvate and [4-14C]acetoin ([4-14C]-3-hydroxybutan-2-one), in Eremothecium ashbyii have shown that acetoin (6) is not a precursor of riboflavin. Growth studies with the same organism support this conclusion and indicate that the o-xylene ring and the ribityl side-chain of riboflavin differ appreciably in their ...
Brian Bews, David H. G. Crout
openaire +1 more source
Bioprocess and Biosystems Engineering, 2017
Acetolactate synthase catalyzes two molecules of pyruvates to form α-acetolactate, which is further converted to acetoin and 2,3-butanediol. In this study, by heterologous expression in Escherichia coli, the enzymatic properties of acetolactate synthase (AlsS) from Bacillus licheniformis WX-02 were characterized.
Yanli, Huo +7 more
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Acetolactate synthase catalyzes two molecules of pyruvates to form α-acetolactate, which is further converted to acetoin and 2,3-butanediol. In this study, by heterologous expression in Escherichia coli, the enzymatic properties of acetolactate synthase (AlsS) from Bacillus licheniformis WX-02 were characterized.
Yanli, Huo +7 more
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Canadian Journal of Microbiology, 1972
Cell-free extracts of Lactobacillus casei 393 required two enzyme systems for production of acetoin and diacetyl from pyruvate. An enzyme closely associated with the particulate fraction obtained after sonic oscillation produced α-acetolactate, required thiamine pyrophosphate and magnesium for optimal activity, and was inhibited by citrate ...
A L, Barnes, T W, Keenan
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Cell-free extracts of Lactobacillus casei 393 required two enzyme systems for production of acetoin and diacetyl from pyruvate. An enzyme closely associated with the particulate fraction obtained after sonic oscillation produced α-acetolactate, required thiamine pyrophosphate and magnesium for optimal activity, and was inhibited by citrate ...
A L, Barnes, T W, Keenan
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Journal of Chemical Technology & Biotechnology, 2018
AbstractBACKGROUNDAcetoin and xylitol are widely used as high‐value platform chemicals with numerous potential applications. The chiral enantiomers L‐(+)‐ and D‐(−)‐acetoin are used as pharmaceutical intermediates. Cell‐free biosynthesis has many applications in chemicals production, but efficient methods for production of optically pure acetoin were ...
Zhenzhen Cui +7 more
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AbstractBACKGROUNDAcetoin and xylitol are widely used as high‐value platform chemicals with numerous potential applications. The chiral enantiomers L‐(+)‐ and D‐(−)‐acetoin are used as pharmaceutical intermediates. Cell‐free biosynthesis has many applications in chemicals production, but efficient methods for production of optically pure acetoin were ...
Zhenzhen Cui +7 more
openaire +1 more source
Journal of Chemical Technology & Biotechnology, 2019
AbstractBACKGROUNDAcetoin, especially the chiral l‐(+)‐ or d‐(−)‐enantiomer, is a high‐value industrial product that can be used as a pharmaceutical intermediate. However, the production of optically pure acetoin via conventional chemical synthesis is expensive.
Zhenzhen Cui +7 more
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AbstractBACKGROUNDAcetoin, especially the chiral l‐(+)‐ or d‐(−)‐enantiomer, is a high‐value industrial product that can be used as a pharmaceutical intermediate. However, the production of optically pure acetoin via conventional chemical synthesis is expensive.
Zhenzhen Cui +7 more
openaire +1 more source
One-Pot Efficient Biosynthesis of (3R)-Acetoin From Pyruvate by a Two-Enzyme Cascade
Catalysis Science and Technology, 2020Hongwu Ma, Zhiwen Wang, Tao Chen
exaly