The invention relates to mutants and alleles of the zwf gene of coryneform bacteria, which encode variants of the Zwf subunit of glucose 6-phosphate dehydrogenase (EC: 1.1.1.49), and to processes for preparing amino acids, in particular L-lysine and L-tryptophan, by using bacteria which harbor said alleles.

 
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> Method for high throughput volumes in the fractionation of bio-molecules by chromatographic systems

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