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

Table 3 Properties of promoters used for PUL expression optimization

Promoter	Origin	Properties
P43	B. subtilis	Strong constitutive promoter [35]
P_spovG	B. subtilis	Promoter of septation protein spovG
P_aprE	B. subtilis	Promoter of alkaline protease [19]
P_amyE	B. subtilis	Promoter of α-amylase
P_hag	B. subtilis	Promoter of flagellin
P_veg	B. subtilis	Promoter of protein Veg
P_nprE	B. subtilis	Promoter of neutral protease E [19]
P_nprB	B. subtilis	Promoter of neutral protease B
P_amyL	B. licheniformis	Promoter of α-amylase, strong constitutive promoter [62]
P_glvA	B. licheniformis	Promoter ofα-amylase [18]
P_sigW	B. amyloliquefaciens	Promoter of RNA polymerase sigma factor SigW [17]

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