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. 2019 Jul 30;19:54. doi: 10.1186/s12896-019-0542-6

Fig. 1.

Fig. 1

Strategy for the construction of mtg and pro co-expression strains. This schematic map represents the constructed expression vectors for the pro and mtg, designated pGAP9/pro and pPICZα-rDNA/mtg, respectively. The his4 and rDNA non-coding sequences allow the vector to be inserted into the corresponding sites in the genome of strain GS115 through homologous recombination. The pPICZα-rDNA-mtg vector was constructed by introducing a non-coding rDNA (indicated as rDNAnc) sequence into the pPICZα vector. The expression of both pro and mtg were under the control of the GAP and AOX1 promoters, respectively