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Updated: Jul 10, 2026

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Growth-based Determination and Biochemical Confirmation of Genetic Requirements for Protein Degradation in Saccharomyces cerevisiae
Published on: February 16, 2015
Genetic stability of protein expression systems in yeast
1Chiron Corporation, Emeryville, CA.
Abstract:
For the expression of recombinant proteins in yeast, genetic stability is monitored using a combination of standard microbiology and nucleic acid testing procedures. Process consistency during the cell amplification and product expression phases of fermentation are also reliable indicators of stability. The potential for instability arising from point mutation, gene conversion or recombination has been shown to occur at a low frequency and does not generally affect protein product quality.

