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. 2020 Jul 28;19:151. doi: 10.1186/s12934-020-01409-x

Fig. 3.

Fig. 3

α-Amylase activity in culture supernatants of B. methanolicus MGA3 recombinant strains. The B. methanolicus MGA3 strains express signal peptide from G. stearothermophilus linked to α-amylase genes from B. subtilis (spGs-amyBs) or B. licheniformis (spGs-amyBl). Strain carrying empty vector (EV) is used as negative control. Strain spGs-amyGs carrying α-amylase gene from G. stearothermophilus and its native signal peptide is used as positive control. Maximum and minimum measured values for triplicate shake flask cultures are presented