Process for producing L-lysine by fermenting

Process for producing L-lysine by fermenting

  • CN 100,384,984 C
  • Filed: 11/28/1994
  • Issued: 04/30/2008
  • Est. Priority Date: 12/08/1993
  • Status: Active Grant
First Claim
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1. method of producing L-Methionin, comprise the steps:

  • in a kind of suitable medium, to cultivate a kind of bacterium, in its culture, to produce and gathering L-Methionin, and therefrom collect L-Methionin, wherein said bacterium is the coli strain that transforms, its method for transformation is to import the DNA that is coded in the dihydrodipicolinic acid synthase who has the sudden change that L-Methionin feedback inhibition is desensitized in the aminoacid sequence shown in the sequence table SEQ ID NO;

    4 in its cell, and described bacterium carries the E.C. 2.7.2.4. III that has the sudden change of L-Methionin feedback inhibition desensitization in the aminoacid sequence shown in the sequence table SEQ IDNO;

    8.

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