Patent ID: 9605269
Date: 2017-03-28
CPC Classifications: C12N,C12P,C12R,C12Y,Y02E,Y02P

Claim:
1. A recombinant yeast comprising one or more native and one or more heterologous enzymes that function in one or more engineered metabolic pathways to convert acetate to ethanol, wherein said one or more native and/or heterologous enzymes is activated, upregulated or downregulated, wherein at least one of said one or more native enzymes is a glycerol-3-phosphate dehydrogenase (GPD) that is downregulated and encoded by a gpd1 polynucleotide, a gpd2 polynucleotide, or both a gpd1 and a gpd2 polynucleotide, and wherein at least one of said one or more heterologous enzymes is a bifunctional acetaldehyde/alcohol dehydrogenase.