申请人:F. HOFFMANN-LA ROCHE AG
公开号:EP0967287A2
公开(公告)日:1999-12-29
The present invention is directed to a yeast strain which has been transformed by a recombinant DNA sequence comprising a DNA sequence which upon expression in a suitable host cell encodes at least one polypeptide with riboflavin biosynthetic activity and which DNA sequence is transcriptionally linked to a promotor functional in such yeast strain, a process for the production of riboflavin characterized therein that such a yeast strain is cultured under suitable culture conditions and process for the production of a food or feed composition
本发明涉及一种酵母菌株,该酵母菌株由重组 DNA 序列转化而成,该 DNA 序列在合适的宿主细胞中表达时编码至少一种具有核黄素生物合成活性的多肽,并且该 DNA 序列与在该酵母菌株中起作用的启动子转录连接;本发明还涉及一种生产核黄素的工艺,其特征在于该酵母菌株是在合适的培养条件下培养的;本发明还涉及一种生产食品或饲料组合物的工艺。