Research Article

Enhancement of Vitamin K2 Efflux in Bacillus subtilis Natto via a Potential Protein Receptor for Increased Yield

Figure 5

The MK-7 production of Bacillus subtilis natto. (a) Total MK-7 production of Bacillus subtilis natto. (b) Extracellular MK-7 production of Bacillus subtilis natto (BN-20644). (c) Total MK-7 production of Bacillus subtilis BslA. (d) Extracellular MK-7 production of Bacillus subtilis BslA.