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Table 2 The deficient strains

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

Strains

Relevant properties

Genes

Gene description

Knockout length (bp)

ATCC6051∆1

∆spoIIAC

spoIIAC

The gene of RNA polymerase sigma-F factor

371

ATCC6051∆2

∆spoIIAC∆srfAC

srfAC

The gene of surfactin synthase subunit

1024

ATCC6051∆3

∆spoIIAC∆srfAC∆aprE

aprE

The gene of serine protease AprE

189

ATCC6051∆4

∆spoIIAC∆srfAC∆aprE∆nprE

nprE

The gene of bacillolysin

623

ATCC6051∆5

∆spoIIAC∆srfAC∆aprE∆nprE∆nprB

nprB

The gene of neutral protease B

297

ATCC6051∆6

∆spoIIAC∆srfAC∆aprE∆nprE∆ nprB∆epr

epr

The gene of minor extracellular protease Epr

326

ATCC6051∆7

∆spoIIAC∆srfAC∆aprE∆nprE∆nprB∆epr∆mpr

mpr

The gene of glutamyl endopeptidase Mpr

404

ATCC6051∆8

∆spoIIAC∆srfAC∆aprE∆nprE∆nprB∆epr∆mpr∆bpr

bpr

The gene of bacillopeptidase F

1786

ATCC6051∆9

∆spoIIAC∆srfAC∆aprE∆nprE∆nprB∆epr∆mpr∆bpr∆vpr

vpr

The gene of extracellular serine protease Vpr

701

ATCC6051∆10

∆spoIIAC∆srfAC∆aprE∆nprE∆nprB∆epr∆mpr∆bpr∆vpr∆wprA

wprA

The gene of cell wall-associated protease WprA

748

ATCC6051∆11

∆spoIIAC∆srfAC∆aprE∆nprE∆nprB∆epr∆mpr∆bpr∆vpr∆wprA∆hag

hag

The gene of flagellin

698