Fig. 7From: Reconstruction the feedback regulation of amino acid metabolism to develop a non-auxotrophic l-threonine producing Corynebacterium glutamicumFed-batch fermentation of strains ZcglT8 and ZcglT9 in 5Â L bioreactors. a Strain ZcglT8, b Strain ZcglT9. Amino acids were detected from 12Â h. Thr, l-threonine; Lys, l-lysine; Ile, l-isoleucine; Gly, glycine; Hse, l-homoserineBack to article page