Mating reaction in Saccharomyces cerevisiae |
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| Authors: | K Sakai N Yanagishima |
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| Institution: | (1) Department of Biology, Faculty of Science, Osaka City University, Sumiyoshi-ku, Osaka, Japan;(2) Suita Laboratory, Brewing Science Research Institute, 564 Suita, Japan |
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| Abstract: | Summary Haploid Saccharomyces yeasts showed sexual agglutination when a and  type cells were mixed. Two types of a type strains were found; one constitutive and the other inducible concerning agglutinability. In type strains, no such differentiation was observed. Agglutination was inhibited by protease treatment. Secretion from type cells induced agglutinability in inducible a type cells. The activity of the secreted principle was heat-stable. The secretion is thought to induce de novo synthesis of proteinous sex-specific substances or to uncover preexisting sex substances. |
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