A diffusible sex-specific substance called alpha substance-I (alphaS-I) was isolated from culture filtrate of alpha type strains of the yeast Saccharomyces cerevisiae. The isolated alphaS-I, an oligopeptide, induced sexual cell agglutinability in inducible alpha type strains and enhanced the aggluti
Mating reaction inSaccharomyces cerevisiae
โ Scribed by C. Shimoda; S. Kitano; N. Yanagishima
- Book ID
- 110557739
- Publisher
- Springer Netherlands
- Year
- 1975
- Tongue
- English
- Weight
- 325 KB
- Volume
- 41
- Category
- Article
- ISSN
- 0003-6072
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From cells of Saccharomyces cerevisiae a factor has been extracted that destroys the agglutinability of a mating-type cells specifically. It was found in the cell extracts of diploid and tetraploid strains as well as haploid strains of a and ~ mating types. It is heat-labile and the molecular weight
Haploid Saccharomyces yeasts showed sexual agglutination when a and a type cells were mixed. Two types of a type strains were found; one constitutive and the other inducible concerning agglutinability. In a type strains, no such differentiation was observed. Agglutination was inhibited by protease t