reduction of soy isoflavones daidzein and genistein under aerobic conditions by use of the recombinant Escherichia coli whole-cell expressing isoflavone reductase
reduction of soy isoflavones by use of Escherichia coli whole-cell biocatalyst expressing isoflavone reductase under aerobic conditions, optimization of the aerobic bioconversion conditions, overview. Addition of chloramphenicol significantly increases the bioconversion capacity of the recombinant Escherichia coli whole-cell, but addition of chloramphenicol does not increase the expression of S-DGR irrespective of whether the concentration of chloramphenicol is high. The maximal concentration of daidzein that the recombinant Escherichia coli whole-cell is able to convert efficiently is 0.8 mmol/l. The average bioconversion rate for daidzein is 85.0% and the yield of 2'-hydroxydaidzein is 0.545 mmol/l
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CLONED (Commentary)
ORGANISM
UNIPROT
LITERATURE
gene dgr, recombinant enzyme expression in Escherichia coli strain BL21(DE3), aerobic bioconversion capacity of the recombinant Escherichia coli whole-cell under the optimized conditions, method evaluation and optimization, overview
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Enzyme Nomenclature
1.14.13.53 4'-methoxyisoflavone 2'-hydroxylase
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