MUTANT YEAST CELL AND PROCESS FOR THE PRODUCTION OF ETHANOL

A mutant yeast cell, comprising : (i) a first genetic modification for expression of a NAD+ dependent protein that functions in a first metabolic pathway converting a sugar alcohol into a fermentation product; and (ii) a second genetic modification for expression of a protein that functions in a sec...

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Bibliographic Details
Main Authors MANS, Robert, JANSEN, Mickel Leonardus August, VAN AALST, Aafke Cornelie Albertine, PRONK, Jacobus Thomas
Format Patent
LanguageEnglish
French
Published 02.11.2023
Subjects
BEER
BIOCHEMISTRY
CHEMISTRY
COMPOSITIONS THEREOF
CULTURE MEDIA
ENZYMOLOGY
FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE
METALLURGY
MICROBIOLOGY
MICROORGANISMS OR ENZYMES
MUTATION OR GENETIC ENGINEERING
PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS
SPIRITS
VINEGAR
WINE
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Summary:A mutant yeast cell, comprising : (i) a first genetic modification for expression of a NAD+ dependent protein that functions in a first metabolic pathway converting a sugar alcohol into a fermentation product; and (ii) a second genetic modification for expression of a protein that functions in a second metabolic pathway forming a non-native redox sink. And process using such a yeast cell. Cellule de levure mutante, comprenant : (i) une première modification génétique pour l'expression d'une protéine dépendante de NAD+ qui fonctionne dans une première voie métabolique convertissant un alcool de sucre en un produit de fermentation ; et (ii) une seconde modification génétique pour l'expression d'une protéine qui fonctionne dans une seconde voie métabolique formant un puits redox non natif. Et un procédé utilisant une telle cellule de levure.
Bibliography:Application Number: WO2023EP60423