Fig. 3From: Improved biosynthesis of heme in Bacillus subtilis through metabolic engineering assisted fed-batch fermentationGrowth curves, ALA and heme production of the recombinant strains constructed by introducing the heterologous C4 pathway. (A) Growth curves of the control strain BSH4 and the recombinant strains BSH51-BSH54. (B) Total ALA and heme production of these strains after 36 h of fermentationBack to article page