A method of producing vanillin comprising the steps of: (1) providing trans-ferulic acid or salt thereof; and (2) providing trans-ferulate; CoASH ligase activity (enzyme activity I) trans-feruloyl SCoA hydratase activity (enzyme activity II), and 4-hydroxy-3-methoxyphenyl-.beta.-hydroxy-propionyl SCoA (HMPHP SCoA) cleavage activity (enzyme activity III). Conveniently the enzymes are provided by Pseudomonas fluorescens Fe3 or a mutant or derivative thereof. Polypeptides with enzymes activities II and III and polynucleotides encoding said polypeptides. Use of said polypeptides or said polynucleotides in a method for producing vanillin.

Um método de produzir o vanillin que compreende as etapas de: (1) fornecendo o ácido ou o sal transporte-trans-ferulic disso; e (2) fornecendo transporte-ferulate; Atividade do ligase de CoASH (atividade do hydratase de transporte-feruloyl SCoA da atividade de enzyme I) (atividade de enzyme II), e atividade do cleavage de 4-hydroxy-3-methoxyphenyl-.beta.-hydroxy-propionyl SCoA (HMPHP SCoA) (atividade de enzyme III). Os enzymes são fornecidos convenientemente pelos fluorescens Fe3 de Pseudomonas ou um mutant ou um derivative disso. Polypeptides com atividades de enzymes II e III e polynucleotides que codificam polypeptides ditos. Uso de polypeptides ditos ou de polynucleotides ditos em um método para produzir o vanillin.

 
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