摘要:
The invention relates to genetically engineered Candida tropicalis cells, use thereof and a method of production of ω-hydroxycarboxylic acids and ω-hydroxycarboxylic acid esters.
摘要:
A method including the steps a) providing a primary alcohol of the formula HO—(CH2)x—R1, where R1 is —OH, —SH, —NH2 or —COOR2; x is at least 3; and R2 is H, alkyl or aryl, b) oxidizing the primary alcohol by contacting it with an NAD(P)+-dependent alcohol dehydrogenase, and c) contacting the oxidation product of step a) with a transaminase, where the NAD(P)+-alcohol dehydrogenase and/or the transaminase is a recombinant or isolated enzyme. A whole cell catalyst for carrying out the method. The use of such a whole cell catalyst for oxidizing a primary alcohol.
摘要:
The present invention relates to a method comprising the steps a) providing a primary alcohol of the formula HO—(CH2)x—R1, wherein R1 is selected from the group consisting of —OH, —SH, —NH2 and —COOR2, x is at least 3 and R2 is selected from the group consisting of H, alkyl and aryl, b) oxidizing the primary alcohol by contacting it with an NAD(P)+-dependent alcohol dehydrogenase, and c) contacting the oxidation product of step a) with a transaminase, wherein the NAD(P)+-alcohol dehydrogenase and/or the transaminase is a recombinant or isolated enzyme, to a whole cell catalyst for carrying out the method, and to the use of such a whole cell catalyst for oxidizing a primary alcohol.
摘要:
The present application relates to a process for removing an organic compound having one or more positive charges from an aqueous solution, comprising the steps a) provision of the aqueous solution comprising the organic compound and of a hydrophobic organic solution which comprises a liquid cation exchanger, where the liquid cation exchanger is hydrophobic, and where the liquid cation exchanger has one or more negative charges and an overall negative charge, b) contacting the aqueous solution and the organic solution, and c) separating off the organic solution from the aqueous solution.
摘要:
The invention provides a biocatalytic process for oxidation of organic compounds with the aid of an alkL gene product, and microorganisms used in this process.
摘要:
The problem addressed by the invention is solved in a first aspect by a method for producing alanine or a compound produced using alanine, having the steps of (a) providing a cell which expresses a recombinant alanine dehydrogenase or a variant thereof, (b) cultivating the cell under aerobic conditions in the presence of an inorganic nitrogen source in an aqueous phase, and (c) bringing the cell into contact with an organic phase, said cell being a prokaryotic or a lower eukaryotic cell.
摘要:
The present application relates to a process for removing an organic compound having one or more positive charges from an aqueous solution, comprising the steps a) provision of the aqueous solution comprising the organic compound and of a hydrophobic organic solution which comprises a liquid cation exchanger, where the liquid cation exchanger is hydrophobic, and where the liquid cation exchanger has one or more negative charges and an overall negative charge, b) contacting the aqueous solution and the organic solution, and c) separating off the organic solution from the aqueous solution.