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microorganism for methionine production with marked glucose import
microorganism for methionine production with marked glucose import
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机译:葡萄糖进口明显的蛋氨酸生产微生物
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摘要
The present invention is related to a recombinant microorganism for improved methionine production comprising modifications to produce methionine from glucose as main carbon source by fermentation, and modifications to improve glucose import, wherein the glucose import is improved by modifying the expression of at least one gene selected from ptsG, sgrT sgrS and dgsA. The invention is also related to a method for the fermentative production of methionine or methionine derivatives comprising the steps of: culturing the recombinant microorganism as described above in an appropriate culture medium comprising a fermentable source of carbon containing glucose and a source of sulphur, and recovering methionine or methionine derivatives from the culture medium.
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