Structure of nematode-attracting RG-I (IMAGE) Kumamoto University Caption Top: the linkage rhamnose-L-galactose (black circle) is essential for nematode attraction. Bottom: the rhamnose-L-galactose disaccharide represents the smallest RG-I fragment that can attract nematodes. Credit Fig. 2B and 4A(1) from (Tsai, A., et. al., Science Advances, 2021) under CC BY-NC 4.0 (https://creativecommons.org/licenses/by-nc/4.0/legalcode) / Edited: These images are parts of the original image selected for this press release. Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. License CC BY-NC 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.