New Polysaccharide Found in Moss (IMAGE) University of Adelaide Caption Moss cells showing the location of the protein that makes the new polysaccharide, arabinoglucan. Credit University of Rhode Island Usage Restrictions for use with this story only 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.