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- Effect of galactose feeding on the improved production of hirudin in fed-batch cultures of recombinant Saccharomyces cerevisiae
- K Janannadha Rao; Chul Ho Kim; Bong Hyun Chung; Jung Hoon Sohn; Sang Ki Rhee
- Bibliographic Citation
- Bioprocess Engineering, vol. 19, no. 5, pp. 385-388
- Publication Year
- Different feeding strategies of galactose were employed to improve the production of anticoagulant, hirudin, by fed-batch mode of cultivation from recombinant Saccharomyces cerevisiae. The structural gene coding for hirudin was harboured with GAL10 promoter for controlled expression of hirudin and the MFα 1 signal sequence for secretion into the growth medium. A stepwise feeding of galactose was found as more suitable feeding strategy of galactose which resulted in the final hirudin volumetric productivity of 6,840 μg/l · h, than intermittent, continuous and ethanol controlled feeding of galactose. The final volumetric productivity of hirudin obtained by step-wise feeding of galactose was 3.88 fold higher compared with simple batch fermentation.
- Appears in Collections:
- Jeonbuk Branch Institute > Microbial Biotechnology Research Center > 1. Journal Articles
Division of Biomaterials Research > Synthetic Biology and Bioengineering Research Center > 1. Journal Articles
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