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US 11,453,884 B2Granted
Method and system for terpene production platforms in yeast
AssigneeUniversity of Kentucky Research Foundation
InventorsJoe Chappell, Xun Zhuang, Shuiqin Wu
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Abstract
A method is provided for producing modified mutant yeast and the resulting yeast that can be used as a platform for terpene production. The method includes chemical mutagenesis to effect ergosterol dependent growth in yeast. Subsequently, these yeast are subjected to an erg9 knockout mutation to thereby produce ergosterol dependent growth/erg9 knockout mutation yeast cell lines. The resulting yeast are well suited for use in the production of terpenes.
Claims1
A method for generating terpene producing yeast cell lines, the method comprising:
- combining yeast with a chemical mutagenesis agent to induce mutations in the yeast to generate chemically mutated yeast;
- selecting chemically mutated yeast which grows in the presence of nystatin, squalestatin and cholesterol, followed by selecting for ergosterol dependent growth;
- and
- subjecting the ergosterol dependent growth yeast to an erg9 knockout mutation, to thereby produce ergosterol dependent growth/erg9 knockout mutation yeast cell lines.
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