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Reference: Kim MD, et al. (2004) Production of antithrombotic hirudin in GAL1-disrupted Saccharomyces cerevisiae. Appl Microbiol Biotechnol 65(3):259-62

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Abstract

A gratuitous strain was developed by disrupting the GAL1 gene (galactokinase) of recombinant Saccharomyces cerevisiae harboring the antithrombotic hirudin gene in the chromosome under the control of the GAL10 promoter. A series of glucose-limited fed-batch cultures were carried out to examine the effects of glucose supply on hirudin expression in the gratuitous strain. Controlled feeding of glucose successfully supported both cell growth and hirudin expression in the gratuitous strain. The optimum fed-batch culture done by feeding glucose at a rate of 0.3 g h(-1) produced a maximum hirudin concentration of 62.1 mg l(-1), which corresponded to a 4.5-fold increase when compared with a simple batch culture done with the same strain.

Reference Type
Journal Article | Research Support, Non-U.S. Gov't
Authors
Kim MD, Lee TH, Lim HK, Seo JH
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