Fig. 1

The strain engineering strategy for sedoheptulose synthesis from glucose. ptsG, phosphotransferase system; pgi, glucose-6-phosphate isomerase; tkt, transketolase; rpe, ribulose-phosphate 3-epimerase; fba, fructose-bisphosphate aldolase; tal, transaldolase; rpiB, ribose 5-phosphate isomerase B; Xu5P, D-Xylulose 5-phosphate; Ru5P, D-Ribulose 5-phosphate; R5P, D-Ribose 5-phosphate; E4P, D-Erythrose 4-phosphate; Fructose-1,6-bP, fructose-1,6-bisphosphate