US 2021/0071206 A1 · INDUSTRIALLY USEFUL STRAINS OF YEAST

Abstract

The invention relates to a method for the preparation of industrially useful strains of yeast Saccharomyces cerevisiae and the strain prepared by the method. In particular the invention relates to the creation of double mutant strains of the yeast that shows high ethanol conversion efficiency and substantially reduced acetic acid and glycerol production during fermentative production of ethanol from a sugar-based feedstock.

Claims9

Dependent claims

A modified yeast strain for reduced production of fermentation by-products comprising:

(a) a gene connoted ssk1 is inactivated;
or
(b) a gene connoted smp1 is inactivated;
or
(c) both genes connoted ssk1 and smp1 are inactivated;
and
(d) said genes inactivation causing no adverse effect on physiology of said strain.

4 more elements

Dependencies are inferred from the claim text.

Industrially useful strains of yeast

Life of this patent

Industrially useful strains of yeast

Life of this patent

Abstract

Claims9