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. 2020 Aug 13;10:13713. doi: 10.1038/s41598-020-70530-z

Figure 1.

Figure 1

Design of a representative stacked multiple promoter:recombinant gene expression system developed for sugarcane. Promoter 1, 2 and 3 combinations can be any combination of the constitutive promoters maize, ubiquitin 1, sugarcane proline rich protein and sugarcane elongation factor 1α or the culm-regulated promoters from sugarcane dirigent16 and Sugarcane bacilliform virus. Vector assembly and cloning sites are indicated under “Materials and methods” section. BvLzm, maize codon-optimized bovine lysozyme gene; 35ST, terminator derived from Cauliflower mosaic virus 35S RNA; NOST, Agrobacterium tumefaciens nopaline synthase terminator; 3′UTR, 3′ untranslated region of Sorghum mosaic virus.