Method for producing L-lysine by fermentation

  • US 4,346,170 A
  • Filed: 07/23/1980
  • Issued: 08/24/1982
  • Est. Priority Date: 07/23/1979
  • Status: Expired due to Term
First Claim
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1. An L-lysine producing organism which is obtained by incorporation into a host strain of the genus Escherichia of a hybrid vector having inserted therein a DNA fragment with genetic information controlling L-lysine production, which fragment is derived from a donor strain of the genus Escherichia which is resistant to an L-lysine analogue.

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