Sunlight in the Roots (image) Max Planck Institute for Chemical Ecology Share Print E-Mail Caption Photoreceptors in the roots are activated by light which is transmitted from the shoot to the underground roots through the stem. Credit Rakesh Santhanam, Angela Overmeyer / Max Planck Institute for Chemical Ecology. Usage Restrictions None Share Print E-Mail 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.