Bean root (IMAGE) Duke University Caption A germinating bean seedling growing lateral roots. Now, researchers have identified the compounds behind the phenomenon. Credit Mindaugas Kriksciukas/GPhase. Usage Restrictions please credit Mindaugas Kriksciukas/GPhase. License Original 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.