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US 12,410,451 B2Granted
Yeast expressing a heterologous trehalase for ethanol production
AssigneeNovozymes A/S
InventorsMichael Glenn Catlett, Monica Tassone, Paul Vincent Harris, Robert Lyle Osborne, Shiro Fukuyama, Tomoko Matsui, Ryoko Kataoka
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Abstract
Described herein are recombinant fermenting organisms having a heterologous polynucleotide encoding an alpha-amylase and/or a heterologous polynucleotide encoding a trehalase. Also described are processes for producing a fermentation product, such as ethanol, from starch or cellulosic-containing material with the recombinant fermenting organisms.
Claims13
A method of producing a fermentation product from a starch-containing or cellulosic-containing material comprising:
- (a) saccharifying the starch-containing or cellulosic-containing material;
- and
- (b) fermenting the saccharified material of step (a) with a recombinant yeast cell;
- wherein the recombinant yeast cell comprises a heterologous polynucleotide encoding a trehalase having a mature polypeptide sequence with at least 95% sequence identity to the amino acid sequence of SEQ ID NO:
- 223.
2 more elements
Dependencies are inferred from the claim text.