Yeast (IMAGE) Genetics Society of America Caption Different strains of the yeast Saccharomyces cerevisiae growing on petri dishes. Genome sequencing shows that many wine yeast strains are almost genetically identical. Credit Ellie Jay Photography Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.