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公开(公告)号:US20030092026A1
公开(公告)日:2003-05-15
申请号:US10156856
申请日:2002-05-30
申请人: DEGUSSA AG
发明人: Daniel Rey , Christian Rueckert , Joern Kalinowski , Alfred Puehler , Brigitte Bathe , Klaus Huthmacher , Walter Pfefferle
IPC分类号: C12Q001/68 , C07H021/04 , C12P021/02 , C12N001/21
CPC分类号: C07K14/34 , A23K10/12 , A23K20/142 , A23K40/10 , C12P13/12
摘要: The invention relates to polynucleotides comprising polynucleotide sequences corresponding to the metD gene and parts thereof that encode polypeptide sequences and parts thereof possessing varying degrees of MetD transcription regulator activity, methods for preparation of L-amino acids, and methods of screening and amplifying polynucleotides encoding polypeptide sequences which comprise varying degrees of MetD transcription regulator activity. Further, the invention relates to animal food additives based on fermentation liquor and containing L-methionine, and to the preparation of such additive.
摘要翻译: 本发明涉及多核苷酸,其包含对应于metD基因的多核苷酸序列及其部分,其编码具有不同程度的MetD转录调节活性的多肽序列及其部分,用于制备L-氨基酸的方法,以及筛选和扩增编码多肽的多核苷酸的方法 包含不同程度的MetD转录调节活性的序列。 此外,本发明涉及基于发酵液并含有L-甲硫氨酸的动物性食品添加剂以及这种添加剂的制备。