Fig. 6From: Enhanced extracellular expression of Bacillus stearothermophilus α-amylase in Bacillus subtilis through signal peptide optimization, chaperone overexpression and α-amylase mutant selectionAlpha-amylase production by various recombinant strains in a 3-L fermenter. a WS11QS, b WS11YS, c WHS11YS, d WHS11YSA. Error bars indicate the standard deviation from the mean of the three experimental data replicatesBack to article page