Article
Wine yeast fermentation vigor may be improved by elimination of recessive growth-retarding alleles.
Biotechnology and bioengineering - 20 Oct 1999
Ramírez M, Regodón J A, Pérez F, Rebollo J E
Abstract excerpt
The presence of recessive growth-retarding alleles can reduce the fitness of industrial wine yeasts. In nature, these alleles are supposed to be eliminated through "genome renewal". We emulated this process in the laboratory to increase the fermentation vigor of wine yeasts. The procedure is simply to sporulate the yeast strains and select new homozygous single-spore descendants. Most of the yeasts achieve a...
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