University of Iowa Research Foundation

Tao Li

John P Rosazza

Lacy Daniels

Aimin He

Ian Fotheringham

John P N Rosazza

Ian Fotherington

The invention provides the nucleotide sequence and amino acid sequence for the enzyme carboxylic acid reductase isolated from bacteria. Expression cassettes, vectors, transformed cells, and variants are also provided as methods for use of recombinant biocatalytic reagents in production of synthetic, aromatic, aliphatic and alicyclic aldehydes and alcohols.

Carboxylic acid reductase polypeptide, nucleotide sequence encoding same and methods of use

The present invention is directed to a novel, biologically-derived carboxylic acid reductase, also referred to herein as an aryl-aldehyde oxidoreductase, that has been isolated and purified from Nocardia sp. strain NRRL 5646, and to methods of using the carboxylic acid reductase as a biocatalyst for the reduction of carboxylic acids or their derivatives to the corresponding useful product(s). In a preferred embodiment, the invention is directed to biochemically-produced vanillin, and to the methods of its production by the biocatalytic reduction of vanillic acid, or a precursor or derivative thereof, in a reaction comprising the substantially purified, biologically-derived carboxylic acid reductase.

Carboxylic acid reductase, and methods of using same

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Tao Li