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. 2021 Jan 25;48(3-4):kuab003. doi: 10.1093/jimb/kuab003

Fig. 3.

Fig. 3.

(A) Currently available heterologous hosts as E. coli, yeast, Streptomyces, and cyanobacteria strains for cyanobacterial NP production and major approaches for host engineering. PAM: photospacer adjacent motif; SgRNA: synthetic guise RNA. (B) The overproduction of shinorine in yeast included multicopy delta integration of biosynthetic genes, the overexpression of xylose assimilation genes (XL1, XL2, and XL3) from Scheffersomyces stipites, and the modulation of the pentose phosphate pathway through deleting TAL1 and overexpressing STB5 and TKL1 to overproduce the biosynthetic precursor sedoheptulose 7-phosphate (S7P).