发明授权
US5474918A Process for the production of L-threonine and L-isoleucine by fermentation of Escherichia coli 失效
通过大肠杆菌发酵生产L-苏氨酸和L-异亮氨酸的方法

Process for the production of L-threonine and L-isoleucine by
fermentation of Escherichia coli
摘要:
A process for the production of L-threonine by fermentation of Escherichia coli FERM BP-3756 or Escherichia coli FERM BP-4072 and a process for the production of L-isoleucine by the fermentation of Escherichia coli FERM BP-3757 is disclosed. The strains are resistant to purine analogues such as 6-dimethylaminopurine or 6-methylaminopurine.
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