Patents Assigned to Degussa AG, Intellectural Property Management
  • Alleles of the GND gene from coryneform bacteria
    Patent number: 7563602
    Abstract: The invention relates to mutants and alleles of the gnd gene from coryneform bacteria coding for 6-phosphogluconate dehydrogenases which contain at position 329 or a comparable position of the amino acid sequence any amino acid other than L-valine, and to processes for the production of amino acids, preferably L-lysine and L-tryptophan, by fermentation using bacteria that contain these alleles.
    Type: Grant
    Filed: January 18, 2008
    Date of Patent: July 21, 2009
    Assignee: Degussa AG, Intellectural Property Management
    Inventors: Georg Thierbach, Brigitte Bathe, Natalie Schischka