Fig. 3From: Expression regulation of multiple key genes to improve l-threonine in Escherichia coliFlask cultivation for l-threonine production in E. coli strains TWF001, TWF003, TWF056, TWF057, TWF058, TWF059, TWF060, TWF061, TWF062, TWF063, TWF064, TWF065. a Genetic comparison of the strains constructed by dynamic regulation genes iclR. b Cell growth; c glucose consumption; dl-threonine production; e relative transcription levels of iclR. The error bars indicate the standard deviations from three independent experimentsBack to article page