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Fig. 3 | Microbial Cell Factories

Fig. 3

From: Efficient production of extracellular pullulanase in Bacillus subtilis ATCC6051 using the host strain construction and promoter optimization expression system

Fig. 3

Extracellular PUL expression driven by the dual-promoter systems in ATCC6051∆10. a Time profiles of extracellular PUL activity for the sixteen dual-promoters in ATCC6051∆10. b Time profiles of the dry cell weight for the sixteen dual-promoters in ATCC6051∆10. c SDS-PAGE analysis of extracellular PUL expression by these dual-promoter plasmid-containing strains. The protein bands of PUL were indicated by arrows

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