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DANISCO US Inc. Modified Yeast Over-Expressing GDS1 for Ethanol Production

The USPTO granted patent US12606599B2 to DANISCO US Inc. on April 21, 2026, covering modified yeast strains that over-express the glycerol-deficient suppressor GDS1. The patented yeast produces increased ethanol and decreased acetate compared to parental cells, making it suitable for large-scale ethanol production from starch substrates where acetate is undesirable. The patent names Zhongqiang Chen, Min Qi, Luan Tao, and Quinn Qun Zhu as inventors and covers compositions and methods for industrial fermentation applications.