Bone morphogenetic protein-7 (BMP-7) is a member of the BMP subfamily of the transforming growth factor ß (TGF-ß) superfamily. It induces bone formation and thus renders it to a protein of pharmaceutical importance. In this work, response surface methodology (RSM) was employed to optimize the cultivation of Bacillus subtilis pBPT62 for the enhancement of rhBMP-7 production. A fractional factorial design was applied to study the main factors that affect the rhBMP-7 production. A few such as incubation time, starch concentration and lactose concentration were identified as most significant for high production of rhBMP-7 and the central composite design were adopted to derive a statistical model with these variables. In addition, the time course of rhBMP-7 production was also described under the optimized medium composition.
Chun-Kwang KIM [ Dept. of Material and Biochemical Engineering, Research Center for Biophotonics, Center for Functional Nano Fine Chemicals, Chonnam National University, Gwangju, 500-757. ]
Jong Il RHEE [ School of Applied Chemical Engineering, Research Center for Biophotonics, Center for Functional Nano Fine Chemicals, Chonnam National University, Gwangju, 500-757. ]
한국생물공학회 [The Korean Society for Biotechnology and Bioengineering]
설립연도
1984
분야
공학>생물공학
소개
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