Obtention of heterothallic mutants from homothallic wine yeast: application to hybridization for industrial purposes

A method of obtaining heterothallic strains from wine-isolated homothallic yeast has been developed. The method is based on the selection of hybrids in an appropriate selection medium between homothallic spores treated with EMS and heterothallic cells of a or alpha mating type that possess one domin...

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Bibliographic Details
Published in:Current microbiology 1984-01, Vol.11 (5), p.261-264
Main Author: Del Castillo Agudo, L
Format: Article
Language:English
Subjects:
ALCOHOLES
ALCOHOLS
ALCOOL
ESPORAS
FERMENTACION
FERMENTATION
heterothallism
HIBRIDACION
HYBRIDATION
HYBRIDIZING
industrial applications
LEVADURA
LEVURE
MUTANT
MUTANTES
MUTANTS
SPORE
SPORES
VIN
VINOS
wine
WINES
YEASTS
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Summary:A method of obtaining heterothallic strains from wine-isolated homothallic yeast has been developed. The method is based on the selection of hybrids in an appropriate selection medium between homothallic spores treated with EMS and heterothallic cells of a or alpha mating type that possess one dominant (resistant to 2-deoxyglucose) and one recessive (petite rho degree phenotype) genetic marker.
ISSN:0343-8651
1432-0991
DOI:10.1007/BF01567382