Kluyveromyces as a Host for Heterologous Gene Expression: Expression and Secretion of Prochymosin
- 1 February 1990
- journal article
- research article
- Published by Springer Nature in Nature Biotechnology
- Vol. 8 (2) , 135-139
- https://doi.org/10.1038/nbt0290-135
Abstract
We have developed the yeast Kluyveromyces lactis as a host organism for the production of the milk-clotting enzyme chymosin. In contrast to Saccharomyces cerevisiae, we found that this yeast is capable of the synthesis and secretion of fully active prochymosin. Various signal sequences could be used to efficiently direct the secretion of prochymosin in Kluyveromyces, but not in S. cerevisiae. We conclude that the efficient synthetic and secretory capacity of this heterologous protein is a property of the yeast Kluyveromyces. These results have led to the development of a large scale production process for chymosin.Keywords
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