Yeast Cells (IMAGE) University of Gothenburg Caption This picture shows yeast cells tagged with a green fluorescent protein that has been stressed with sodium chloride. Credit Emma Eriksson & Elzbieta Petelenz 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.